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[gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-1416-g72882c
|
From: |
Arnold Robbins |
|
Subject: |
[gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-1416-g72882c6 |
|
Date: |
Sun, 31 May 2015 16:04:48 +0000 |
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The branch, master has been updated
via 72882c6a1e76730e6e706941a1a3a855ea023b69 (commit)
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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=72882c6a1e76730e6e706941a1a3a855ea023b69
commit 72882c6a1e76730e6e706941a1a3a855ea023b69
Author: Arnold D. Robbins <address@hidden>
Date: Sun May 31 12:04:23 2015 -0400
POSIX now allows \n for default field splitting. Fix code and doc.
diff --git a/ChangeLog b/ChangeLog
index ce4e841..7f3063f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2015-05-31 Arnold D. Robbins <address@hidden>
+
+ * field.c (posix_def_parse_field): Removed. It's no longer
+ needed after updates to the POSIX standard. Thanks to
+ Michael Klement <address@hidden> for pointing this out.
+
2015-05-26 Paul Eggert <address@hidden>
* floatcomp.c (count_trailing_zeros): New function.
diff --git a/NEWS b/NEWS
index 542d767..aee92c1 100644
--- a/NEWS
+++ b/NEWS
@@ -51,6 +51,10 @@ Changes from 4.1.x to 4.2.0
12. The API minor version has been increased to two; the get_file()
API provides access to open redirections. Also see the manual.
+13. Revisions in the POSIX standard remove the special case for POSIX
+ mode when FS = " " where newline was not a field separator. The code
+ and doc have been updated.
+
Changes from 4.1.2 to 4.1.3
---------------------------
diff --git a/doc/ChangeLog b/doc/ChangeLog
index dd671ff..4f0ab9b 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,10 @@
+2015-05-31 Arnold D. Robbins <address@hidden>
+
+ * gawktexi.in: Revised description of default field parsing
+ for POSIX. Newline is now a separator also. Thanks to
+ Michael Klement <address@hidden> for pointing this out.
+ * gawk.1: Updated too.
+
2015-05-30 Arnold D. Robbins <address@hidden>
* gawktexi.in (Bitwise Functions): Update results of testbits.awk.
diff --git a/doc/gawk.1 b/doc/gawk.1
index cbc15d1..f00bb1c 100644
--- a/doc/gawk.1
+++ b/doc/gawk.1
@@ -13,7 +13,7 @@
. if \w'\(rq' .ds rq "\(rq
. \}
.\}
-.TH GAWK 1 "Apr 02 2015" "Free Software Foundation" "Utility Commands"
+.TH GAWK 1 "May 31 2015" "Free Software Foundation" "Utility Commands"
.SH NAME
gawk \- pattern scanning and processing language
.SH SYNOPSIS
@@ -444,11 +444,6 @@ mode, with the following additional restrictions:
escape sequences are not recognized.
.TP
\(bu
-Only space and tab act as field separators when
-.B FS
-is set to a single space, newline does not.
-.TP
-\(bu
You cannot continue lines after
.B ?
and
@@ -785,9 +780,6 @@ In the special case that
.B FS
is a single space, fields are separated
by runs of spaces and/or tabs and/or newlines.
-(But see the section
-.BR "POSIX COMPATIBILITY" ,
-below).
.BR NOTE :
The value of
.B IGNORECASE
diff --git a/doc/gawk.info b/doc/gawk.info
index 337c148..102bc76 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -2662,9 +2662,6 @@ The following list describes options mandated by the
POSIX standard:
extensions in 'gawk' that are disabled by this option. Also, the
following additional restrictions apply:
- * Newlines do not act as whitespace to separate fields when 'FS'
- is equal to a single space (*note Fields::).
-
* Newlines are not allowed after '?' or ':' (*note Conditional
Exp::).
@@ -4426,7 +4423,7 @@ When 'awk' reads an input record, the record is
automatically "parsed"
or separated by the 'awk' utility into chunks called "fields". By
default, fields are separated by "whitespace", like words in a line.
Whitespace in 'awk' means any string of one or more spaces, TABs, or
-newlines;(1) other characters that are considered whitespace by other
+newlines; other characters that are considered whitespace by other
languages (such as formfeed, vertical tab, etc.) are _not_ considered
whitespace by 'awk'.
@@ -4478,11 +4475,6 @@ record:
-| Julie F
-| Samuel A
- ---------- Footnotes ----------
-
- (1) In POSIX 'awk', newlines are not considered whitespace for
-separating fields.
-
File: gawk.info, Node: Nonconstant Fields, Next: Changing Fields, Prev:
Fields, Up: Reading Files
@@ -10223,7 +10215,7 @@ each variable.)
The default value is '" "', a string consisting of a single space.
As a special exception, this value means that any sequence of
- spaces, TABs, and/or newlines is a single separator.(1) It also
+ spaces, TABs, and/or newlines is a single separator. It also
causes spaces, TABs, and newlines at the beginning and end of a
record to be ignored.
@@ -10320,10 +10312,6 @@ each variable.)
Internationalization::). The default value of 'TEXTDOMAIN' is
'"messages"'.
- ---------- Footnotes ----------
-
- (1) In POSIX 'awk', newline does not count as whitespace.
-
File: gawk.info, Node: Auto-set, Next: ARGC and ARGV, Prev: User-modified,
Up: Built-in Variables
@@ -27110,6 +27098,12 @@ POSIX 'awk', in the order they were added to 'gawk'.
* Nonfatal output with 'print' and 'printf'. *Note Nonfatal::.
+ * For many years, POSIX specified that default field splitting only
+ allowed spaces and tabs to separate fields, and this was how 'gawk'
+ behaved with '--posix'. As of 2013, the standard restored
+ historical behavior, and now default field splitting with '--posix'
+ also allows newlines to separate fields.
+
* Support for MirBSD was removed.
@@ -31804,7 +31798,7 @@ Index
* '--include' option: Options. (line 159)
* '--lint' option: Command Line. (line 20)
* '--lint' option <1>: Options. (line 184)
-* '--lint-old' option: Options. (line 292)
+* '--lint-old' option: Options. (line 289)
* '--load' option: Options. (line 172)
* '--non-decimal-data' option: Options. (line 209)
* '--non-decimal-data' option <1>: Nondecimal Data. (line 6)
@@ -31812,12 +31806,12 @@ Index
(line 35)
* '--optimize' option: Options. (line 234)
* '--posix' option: Options. (line 252)
-* '--posix' option, '--traditional' option and: Options. (line 270)
+* '--posix' option, '--traditional' option and: Options. (line 267)
* '--pretty-print' option: Options. (line 223)
* '--profile' option: Options. (line 240)
* '--profile' option <1>: Profiling. (line 12)
-* '--re-interval' option: Options. (line 276)
-* '--sandbox' option: Options. (line 283)
+* '--re-interval' option: Options. (line 273)
+* '--sandbox' option: Options. (line 280)
* '--sandbox' option, disabling 'system()' function: I/O Functions.
(line 129)
* '--sandbox' option, input redirection with 'getline': Getline.
@@ -31826,9 +31820,9 @@ Index
(line 6)
* '--source' option: Options. (line 117)
* '--traditional' option: Options. (line 82)
-* '--traditional' option, '--posix' option and: Options. (line 270)
+* '--traditional' option, '--posix' option and: Options. (line 267)
* '--use-lc-numeric' option: Options. (line 218)
-* '--version' option: Options. (line 297)
+* '--version' option: Options. (line 294)
* '--with-whiny-user-strftime' configuration option: Additional Configuration
Options.
(line 37)
* '-b' option: Options. (line 69)
@@ -31838,20 +31832,20 @@ Index
* '-D' option: Options. (line 108)
* '-e' option: Options. (line 117)
* '-E' option: Options. (line 125)
-* '-e' option <1>: Options. (line 333)
+* '-e' option <1>: Options. (line 330)
* '-f' option: Long. (line 12)
* '-F' option: Options. (line 21)
* '-f' option <1>: Options. (line 25)
-* '-F' option, '-Ft' sets 'FS' to TAB: Options. (line 305)
+* '-F' option, '-Ft' sets 'FS' to TAB: Options. (line 302)
* '-F' option, command-line: Command Line Field Separator.
(line 6)
-* '-f' option, multiple uses: Options. (line 310)
+* '-f' option, multiple uses: Options. (line 307)
* '-g' option: Options. (line 147)
* '-h' option: Options. (line 154)
* '-i' option: Options. (line 159)
* '-l' option: Options. (line 172)
* '-l' option <1>: Options. (line 184)
-* '-L' option: Options. (line 292)
+* '-L' option: Options. (line 289)
* '-M' option: Options. (line 203)
* '-n' option: Options. (line 209)
* '-N' option: Options. (line 218)
@@ -31859,10 +31853,10 @@ Index
* '-O' option: Options. (line 234)
* '-p' option: Options. (line 240)
* '-P' option: Options. (line 252)
-* '-r' option: Options. (line 276)
-* '-S' option: Options. (line 283)
+* '-r' option: Options. (line 273)
+* '-S' option: Options. (line 280)
* '-v' option: Options. (line 32)
-* '-V' option: Options. (line 297)
+* '-V' option: Options. (line 294)
* '-v' option <1>: Assignment Options. (line 12)
* '-W' option: Options. (line 47)
* '.' (period), regexp operator: Regexp Operators. (line 44)
@@ -32581,7 +32575,7 @@ Index
* counting: Wc Program. (line 6)
* 'csh' utility: Statements/Lines. (line 43)
* 'csh' utility, 'POSIXLY_CORRECT' environment variable: Options.
- (line 351)
+ (line 348)
* 'csh' utility, '|&' operator, comparison with: Two-way I/O. (line 27)
* 'ctime()' user-defined function: Function Example. (line 74)
* currency symbols, localization: Explaining gettext. (line 104)
@@ -32771,7 +32765,7 @@ Index
* debugger, read commands from a file: Debugger Info. (line 97)
* debugging 'awk' programs: Debugger. (line 6)
* debugging 'gawk', bug reports: Bugs. (line 9)
-* decimal point character, locale specific: Options. (line 267)
+* decimal point character, locale specific: Options. (line 264)
* decrement operators: Increment Ops. (line 35)
* 'default' keyword: Switch Statement. (line 6)
* Deifik, Scott: Acknowledgments. (line 60)
@@ -33092,7 +33086,6 @@ Index
* field separators, 'FIELDWIDTHS' variable and: User-modified.
(line 37)
* field separators, 'FPAT' variable and: User-modified. (line 43)
-* field separators, POSIX and: Fields. (line 6)
* field separators, regular expressions as: Field Separators. (line 50)
* field separators, regular expressions as <1>: Regexp Field Splitting.
(line 6)
@@ -33229,7 +33222,7 @@ Index
* 'FS' variable, '--field-separator' option and: Options. (line 21)
* 'FS' variable, as null string: Single Character Fields.
(line 20)
-* 'FS' variable, as TAB character: Options. (line 264)
+* 'FS' variable, as TAB character: Options. (line 261)
* 'FS' variable, changing value of: Field Separators. (line 34)
* 'FS' variable, running 'awk' programs and: Cut Program. (line 63)
* 'FS' variable, setting from command line: Command Line Field Separator.
@@ -33382,7 +33375,7 @@ Index
* 'gawk', 'TEXTDOMAIN' variable in: User-modified. (line 152)
* 'gawk', timestamps: Time Functions. (line 6)
* 'gawk', uses for: Preface. (line 34)
-* 'gawk', versions of, information about, printing: Options. (line 297)
+* 'gawk', versions of, information about, printing: Options. (line 294)
* 'gawk', VMS version of: VMS Installation. (line 6)
* 'gawk', word-boundary operator: GNU Regexp Operators.
(line 66)
@@ -33711,7 +33704,7 @@ Index
* lint checking, empty programs: Command Line. (line 16)
* lint checking, issuing warnings: Options. (line 184)
* lint checking, 'POSIXLY_CORRECT' environment variable: Options.
- (line 336)
+ (line 333)
* lint checking, undefined functions: Pass By Value/Reference.
(line 85)
* 'LINT' variable: User-modified. (line 87)
@@ -33727,7 +33720,7 @@ Index
* loading, extensions: Options. (line 172)
* local variables, in a function: Variable Scope. (line 6)
* locale categories: Explaining gettext. (line 81)
-* locale decimal point character: Options. (line 267)
+* locale decimal point character: Options. (line 264)
* locale, definition of: Locales. (line 6)
* localization: I18N and L10N. (line 6)
* localization, See internationalization, localization: I18N and L10N.
@@ -33811,8 +33804,6 @@ Index
* newlines: Statements/Lines. (line 6)
* newlines <1>: Options. (line 258)
* newlines <2>: Boolean Ops. (line 69)
-* newlines, as field separators: Default Field Splitting.
- (line 6)
* newlines, as record separators: awk split records. (line 12)
* newlines, in dynamic regexps: Computed Regexps. (line 60)
* newlines, in regexp constants: Computed Regexps. (line 70)
@@ -34043,7 +34034,7 @@ Index
* portability, operators: Increment Ops. (line 60)
* portability, operators, not in POSIX 'awk': Precedence. (line 97)
* portability, 'POSIXLY_CORRECT' environment variable: Options.
- (line 356)
+ (line 353)
* portability, 'substr()' function: String Functions. (line 513)
* portable object files: Explaining gettext. (line 37)
* portable object files <1>: Translator i18n. (line 6)
@@ -34077,9 +34068,7 @@ Index
* POSIX 'awk', 'continue' statement and: Continue Statement. (line 44)
* POSIX 'awk', 'CONVFMT' variable and: User-modified. (line 30)
* POSIX 'awk', 'date' utility and: Time Functions. (line 252)
-* POSIX 'awk', field separators and: Fields. (line 6)
-* POSIX 'awk', field separators and <1>: Full Line Fields. (line 16)
-* POSIX 'awk', 'FS' variable and: User-modified. (line 60)
+* POSIX 'awk', field separators and: Full Line Fields. (line 16)
* POSIX 'awk', 'function' keyword in: Definition Syntax. (line 99)
* POSIX 'awk', functions and, 'gsub()'/'sub()': Gory Details. (line 90)
* POSIX 'awk', functions and, 'length()': String Functions. (line 179)
@@ -34096,11 +34085,11 @@ Index
* POSIX 'awk', timestamps and: Time Functions. (line 6)
* POSIX 'awk', '|' I/O operator and: Getline/Pipe. (line 56)
* POSIX mode: Options. (line 252)
-* POSIX mode <1>: Options. (line 336)
+* POSIX mode <1>: Options. (line 333)
* POSIX, 'awk' and: Preface. (line 21)
* POSIX, 'gawk' extensions not included in: POSIX/GNU. (line 6)
* POSIX, programs, implementing in 'awk': Clones. (line 6)
-* 'POSIXLY_CORRECT' environment variable: Options. (line 336)
+* 'POSIXLY_CORRECT' environment variable: Options. (line 333)
* 'PREC' variable: User-modified. (line 124)
* precedence: Increment Ops. (line 60)
* precedence <1>: Precedence. (line 6)
@@ -34289,7 +34278,7 @@ Index
(line 60)
* regular expressions, 'gawk', command-line options: GNU Regexp Operators.
(line 73)
-* regular expressions, interval expressions and: Options. (line 276)
+* regular expressions, interval expressions and: Options. (line 273)
* regular expressions, leftmost longest match: Leftmost Longest.
(line 6)
* regular expressions, operators: Regexp Usage. (line 19)
@@ -34376,7 +34365,7 @@ Index
(line 68)
* sample debugging session: Sample Debugging Session.
(line 6)
-* sandbox mode: Options. (line 283)
+* sandbox mode: Options. (line 280)
* save debugger options: Debugger Info. (line 85)
* scalar or array: Type Functions. (line 11)
* scalar values: Basic Data Typing. (line 13)
@@ -34415,7 +34404,6 @@ Index
* separators, field, 'FIELDWIDTHS' variable and: User-modified.
(line 37)
* separators, field, 'FPAT' variable and: User-modified. (line 43)
-* separators, field, POSIX and: Fields. (line 6)
* separators, for records: awk split records. (line 6)
* separators, for records <1>: awk split records. (line 85)
* separators, for records <2>: User-modified. (line 133)
@@ -34929,523 +34917,521 @@ Node: Intro Summary113141
Node: Invoking Gawk114025
Node: Command Line115539
Node: Options116337
-Ref: Options-Footnote-1132117
-Ref: Options-Footnote-2132347
-Node: Other Arguments132372
-Node: Naming Standard Input135319
-Node: Environment Variables136412
-Node: AWKPATH Variable136970
-Ref: AWKPATH Variable-Footnote-1140381
-Ref: AWKPATH Variable-Footnote-2140426
-Node: AWKLIBPATH Variable140687
-Node: Other Environment Variables141944
-Node: Exit Status145582
-Node: Include Files146259
-Node: Loading Shared Libraries149854
-Node: Obsolete151282
-Node: Undocumented151974
-Node: Invoking Summary152271
-Node: Regexp153931
-Node: Regexp Usage155385
-Node: Escape Sequences157422
-Node: Regexp Operators163655
-Ref: Regexp Operators-Footnote-1171072
-Ref: Regexp Operators-Footnote-2171219
-Node: Bracket Expressions171317
-Ref: table-char-classes173340
-Node: Leftmost Longest176286
-Node: Computed Regexps177589
-Node: GNU Regexp Operators181016
-Node: Case-sensitivity184695
-Ref: Case-sensitivity-Footnote-1187582
-Ref: Case-sensitivity-Footnote-2187817
-Node: Regexp Summary187925
-Node: Reading Files189391
-Node: Records191554
-Node: awk split records192287
-Node: gawk split records197219
-Ref: gawk split records-Footnote-1201763
-Node: Fields201800
-Ref: Fields-Footnote-1204580
-Node: Nonconstant Fields204666
-Ref: Nonconstant Fields-Footnote-1206902
-Node: Changing Fields207106
-Node: Field Separators213036
-Node: Default Field Splitting215734
-Node: Regexp Field Splitting216852
-Node: Single Character Fields220205
-Node: Command Line Field Separator221265
-Node: Full Line Fields224483
-Ref: Full Line Fields-Footnote-1226005
-Ref: Full Line Fields-Footnote-2226051
-Node: Field Splitting Summary226152
-Node: Constant Size228226
-Node: Splitting By Content232805
-Ref: Splitting By Content-Footnote-1236776
-Node: Multiple Line236939
-Ref: Multiple Line-Footnote-1242822
-Node: Getline243001
-Node: Plain Getline245468
-Node: Getline/Variable248107
-Node: Getline/File249256
-Node: Getline/Variable/File250642
-Ref: Getline/Variable/File-Footnote-1252246
-Node: Getline/Pipe252334
-Node: Getline/Variable/Pipe255039
-Node: Getline/Coprocess256172
-Node: Getline/Variable/Coprocess257437
-Node: Getline Notes258177
-Node: Getline Summary260972
-Ref: table-getline-variants261394
-Node: Read Timeout262142
-Ref: Read Timeout-Footnote-1266049
-Node: Retrying Input266107
-Node: Command-line directories267306
-Node: Input Summary268213
-Node: Input Exercises271385
-Node: Printing272113
-Node: Print273948
-Node: Print Examples275405
-Node: Output Separators278185
-Node: OFMT280202
-Node: Printf281558
-Node: Basic Printf282343
-Node: Control Letters283917
-Node: Format Modifiers287905
-Node: Printf Examples293920
-Node: Redirection296406
-Node: Special FD303249
-Ref: Special FD-Footnote-1306417
-Node: Special Files306491
-Node: Other Inherited Files307108
-Node: Special Network308109
-Node: Special Caveats308969
-Node: Close Files And Pipes309918
-Ref: Close Files And Pipes-Footnote-1317105
-Ref: Close Files And Pipes-Footnote-2317253
-Node: Nonfatal317404
-Node: Output Summary319729
-Node: Output Exercises320951
-Node: Expressions321630
-Node: Values322818
-Node: Constants323496
-Node: Scalar Constants324187
-Ref: Scalar Constants-Footnote-1325051
-Node: Nondecimal-numbers325301
-Node: Regexp Constants328315
-Node: Using Constant Regexps328841
-Node: Variables332004
-Node: Using Variables332661
-Node: Assignment Options334572
-Node: Conversion336446
-Node: Strings And Numbers336970
-Ref: Strings And Numbers-Footnote-1340034
-Node: Locale influences conversions340143
-Ref: table-locale-affects342901
-Node: All Operators343519
-Node: Arithmetic Ops344148
-Node: Concatenation346654
-Ref: Concatenation-Footnote-1349501
-Node: Assignment Ops349608
-Ref: table-assign-ops354600
-Node: Increment Ops355913
-Node: Truth Values and Conditions359373
-Node: Truth Values360447
-Node: Typing and Comparison361495
-Node: Variable Typing362315
-Node: Comparison Operators365939
-Ref: table-relational-ops366358
-Node: POSIX String Comparison369853
-Ref: POSIX String Comparison-Footnote-1370927
-Node: Boolean Ops371066
-Ref: Boolean Ops-Footnote-1375548
-Node: Conditional Exp375640
-Node: Function Calls377376
-Node: Precedence381256
-Node: Locales384915
-Node: Expressions Summary386547
-Node: Patterns and Actions389120
-Node: Pattern Overview390240
-Node: Regexp Patterns391917
-Node: Expression Patterns392459
-Node: Ranges396240
-Node: BEGIN/END399348
-Node: Using BEGIN/END400109
-Ref: Using BEGIN/END-Footnote-1402846
-Node: I/O And BEGIN/END402952
-Node: BEGINFILE/ENDFILE405268
-Node: Empty408175
-Node: Using Shell Variables408492
-Node: Action Overview410766
-Node: Statements413091
-Node: If Statement414939
-Node: While Statement416434
-Node: Do Statement418462
-Node: For Statement419610
-Node: Switch Statement422769
-Node: Break Statement425155
-Node: Continue Statement427247
-Node: Next Statement429074
-Node: Nextfile Statement431457
-Node: Exit Statement434109
-Node: Built-in Variables436514
-Node: User-modified437647
-Ref: User-modified-Footnote-1445274
-Node: Auto-set445336
-Ref: Auto-set-Footnote-1459585
-Ref: Auto-set-Footnote-2459791
-Node: ARGC and ARGV459847
-Node: Pattern Action Summary464066
-Node: Arrays466496
-Node: Array Basics467825
-Node: Array Intro468669
-Ref: figure-array-elements470644
-Ref: Array Intro-Footnote-1473348
-Node: Reference to Elements473476
-Node: Assigning Elements475940
-Node: Array Example476431
-Node: Scanning an Array478190
-Node: Controlling Scanning481214
-Ref: Controlling Scanning-Footnote-1486613
-Node: Numeric Array Subscripts486929
-Node: Uninitialized Subscripts489113
-Node: Delete490732
-Ref: Delete-Footnote-1493484
-Node: Multidimensional493541
-Node: Multiscanning496636
-Node: Arrays of Arrays498227
-Node: Arrays Summary502995
-Node: Functions505088
-Node: Built-in506126
-Node: Calling Built-in507204
-Node: Numeric Functions509200
-Ref: Numeric Functions-Footnote-1514033
-Ref: Numeric Functions-Footnote-2514390
-Ref: Numeric Functions-Footnote-3514438
-Node: String Functions514710
-Ref: String Functions-Footnote-1538218
-Ref: String Functions-Footnote-2538347
-Ref: String Functions-Footnote-3538595
-Node: Gory Details538682
-Ref: table-sub-escapes540473
-Ref: table-sub-proposed541992
-Ref: table-posix-sub543355
-Ref: table-gensub-escapes544896
-Ref: Gory Details-Footnote-1545719
-Node: I/O Functions545870
-Ref: I/O Functions-Footnote-1553091
-Node: Time Functions553239
-Ref: Time Functions-Footnote-1563744
-Ref: Time Functions-Footnote-2563812
-Ref: Time Functions-Footnote-3563970
-Ref: Time Functions-Footnote-4564081
-Ref: Time Functions-Footnote-5564193
-Ref: Time Functions-Footnote-6564420
-Node: Bitwise Functions564686
-Ref: table-bitwise-ops565280
-Ref: Bitwise Functions-Footnote-1569618
-Node: Type Functions569791
-Node: I18N Functions570947
-Node: User-defined572598
-Node: Definition Syntax573403
-Ref: Definition Syntax-Footnote-1579090
-Node: Function Example579161
-Ref: Function Example-Footnote-1582083
-Node: Function Caveats582105
-Node: Calling A Function582623
-Node: Variable Scope583581
-Node: Pass By Value/Reference586575
-Node: Return Statement590074
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+Node: Requesting Values972253
+Ref: table-value-types-returned972992
+Node: Accessing Parameters973875
+Node: Symbol Table Access975111
+Node: Symbol table by name975623
+Node: Symbol table by cookie977644
+Ref: Symbol table by cookie-Footnote-1981793
+Node: Cached values981857
+Ref: Cached values-Footnote-1985358
+Node: Array Manipulation985449
+Ref: Array Manipulation-Footnote-1986540
+Node: Array Data Types986577
+Ref: Array Data Types-Footnote-1989235
+Node: Array Functions989327
+Node: Flattening Arrays993186
+Node: Creating Arrays1000094
+Node: Redirection API1004866
+Node: Extension API Variables1007697
+Node: Extension Versioning1008330
+Node: Extension API Informational Variables1010221
+Node: Extension API Boilerplate1011285
+Node: Finding Extensions1015099
+Node: Extension Example1015659
+Node: Internal File Description1016457
+Node: Internal File Ops1020537
+Ref: Internal File Ops-Footnote-11032299
+Node: Using Internal File Ops1032439
+Ref: Using Internal File Ops-Footnote-11034822
+Node: Extension Samples1035097
+Node: Extension Sample File Functions1036626
+Node: Extension Sample Fnmatch1044275
+Node: Extension Sample Fork1045762
+Node: Extension Sample Inplace1046980
+Node: Extension Sample Ord1049066
+Node: Extension Sample Readdir1049902
+Ref: table-readdir-file-types1050791
+Node: Extension Sample Revout1051596
+Node: Extension Sample Rev2way1052185
+Node: Extension Sample Read write array1052925
+Node: Extension Sample Readfile1054867
+Node: Extension Sample Time1055962
+Node: Extension Sample API Tests1057310
+Node: gawkextlib1057802
+Node: Extension summary1060249
+Node: Extension Exercises1063941
+Node: Language History1065438
+Node: V7/SVR3.11067094
+Node: SVR41069247
+Node: POSIX1070681
+Node: BTL1072061
+Node: POSIX/GNU1072791
+Node: Feature History1078630
+Node: Common Extensions1092949
+Node: Ranges and Locales1094232
+Ref: Ranges and Locales-Footnote-11098848
+Ref: Ranges and Locales-Footnote-21098875
+Ref: Ranges and Locales-Footnote-31099110
+Node: Contributors1099331
+Node: History summary1104900
+Node: Installation1106280
+Node: Gawk Distribution1107225
+Node: Getting1107709
+Node: Extracting1108532
+Node: Distribution contents1110170
+Node: Unix Installation1116266
+Node: Quick Installation1116948
+Node: Shell Startup Files1119362
+Node: Additional Configuration Options1120440
+Node: Configuration Philosophy1122245
+Node: Non-Unix Installation1124615
+Node: PC Installation1125073
+Node: PC Binary Installation1126393
+Node: PC Compiling1128245
+Ref: PC Compiling-Footnote-11131269
+Node: PC Testing1131378
+Node: PC Using1132558
+Node: Cygwin1136672
+Node: MSYS1137442
+Node: VMS Installation1137943
+Node: VMS Compilation1138734
+Ref: VMS Compilation-Footnote-11139964
+Node: VMS Dynamic Extensions1140022
+Node: VMS Installation Details1141707
+Node: VMS Running1143960
+Node: VMS GNV1146801
+Node: VMS Old Gawk1147536
+Node: Bugs1148007
+Node: Other Versions1152121
+Node: Installation summary1158595
+Node: Notes1159653
+Node: Compatibility Mode1160518
+Node: Additions1161300
+Node: Accessing The Source1162225
+Node: Adding Code1163661
+Node: New Ports1169816
+Node: Derived Files1174304
+Ref: Derived Files-Footnote-11179789
+Ref: Derived Files-Footnote-21179824
+Ref: Derived Files-Footnote-31180422
+Node: Future Extensions1180536
+Node: Implementation Limitations1181194
+Node: Extension Design1182377
+Node: Old Extension Problems1183531
+Ref: Old Extension Problems-Footnote-11185049
+Node: Extension New Mechanism Goals1185106
+Ref: Extension New Mechanism Goals-Footnote-11188470
+Node: Extension Other Design Decisions1188659
+Node: Extension Future Growth1190772
+Node: Old Extension Mechanism1191608
+Node: Notes summary1193371
+Node: Basic Concepts1194553
+Node: Basic High Level1195234
+Ref: figure-general-flow1195516
+Ref: figure-process-flow1196201
+Ref: Basic High Level-Footnote-11199502
+Node: Basic Data Typing1199687
+Node: Glossary1203015
+Node: Copying1234961
+Node: GNU Free Documentation License1272500
+Node: Index1297618
End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index df53c97..c2c1f46 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -4133,11 +4133,6 @@ restrictions apply:
@cindex newlines
@cindex whitespace, newlines as
@item
-Newlines do not act as whitespace to separate fields when @code{FS} is
-equal to a single space
-(@pxref{Fields}).
-
address@hidden
Newlines are not allowed after @samp{?} or @samp{:}
(@pxref{Conditional Exp}).
@@ -6730,16 +6725,12 @@ Readfile} for another option.
@cindex fields
@cindex accessing fields
@cindex fields, examining
address@hidden POSIX @command{awk}, field separators and
address@hidden field separators, POSIX and
address@hidden separators, field, POSIX and
When @command{awk} reads an input record, the record is
automatically @dfn{parsed} or separated by the @command{awk} utility into
chunks
called @dfn{fields}. By default, fields are separated by @dfn{whitespace},
like words in a line.
Whitespace in @command{awk} means any string of one or more spaces,
-TABs, or newlines;@footnote{In POSIX @command{awk}, newlines are not
-considered whitespace for separating fields.} other characters
+TABs, or newlines; other characters
that are considered whitespace by other languages
(such as formfeed, vertical tab, etc.) are @emph{not} considered
whitespace by @command{awk}.
@@ -7184,7 +7175,6 @@ can massage it first with a separate @command{awk}
program.)
@node Default Field Splitting
@subsection Whitespace Normally Separates Fields
address@hidden newlines, as field separators
@cindex whitespace, as field separators
Fields are normally separated by whitespace sequences
(spaces, TABs, and newlines), not by single spaces. Two spaces in a row do not
@@ -14720,12 +14710,11 @@ specify the behavior when @code{FS} is the null
string.
Nonetheless, some other versions of @command{awk} also treat
@code{""} specially.)
address@hidden POSIX @command{awk}, @code{FS} variable and
The default value is @address@hidden" "}}, a string consisting of a single
-space. As a special exception, this value means that any
-sequence of spaces, TABs, and/or newlines is a single address@hidden
-POSIX @command{awk}, newline does not count as whitespace.} It also causes
-spaces, TABs, and newlines at the beginning and end of a record to be ignored.
+space. As a special exception, this value means that any sequence of
+spaces, TABs, and/or newlines is a single separator. It also causes
+spaces, TABs, and newlines at the beginning and end of a record to
+be ignored.
You can set the value of @code{FS} on the command line using the
@option{-F} option:
@@ -36849,6 +36838,14 @@ Nonfatal output with @code{print} and @code{printf}.
@xref{Nonfatal}.
@item
+For many years, POSIX specified that default field splitting
+only allowed spaces and tabs to separate fields, and this was
+how @command{gawk} behaved with @option{--posix}. As of 2013,
+the standard restored historical behavior, and now default
+field splitting with @option{--posix} also allows newlines to
+separate fields.
+
address@hidden
Support for MirBSD was removed.
@end itemize
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 0cf0984..639f13e 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -4044,11 +4044,6 @@ restrictions apply:
@cindex newlines
@cindex whitespace, newlines as
@item
-Newlines do not act as whitespace to separate fields when @code{FS} is
-equal to a single space
-(@pxref{Fields}).
-
address@hidden
Newlines are not allowed after @samp{?} or @samp{:}
(@pxref{Conditional Exp}).
@@ -6457,16 +6452,12 @@ Readfile} for another option.
@cindex fields
@cindex accessing fields
@cindex fields, examining
address@hidden POSIX @command{awk}, field separators and
address@hidden field separators, POSIX and
address@hidden separators, field, POSIX and
When @command{awk} reads an input record, the record is
automatically @dfn{parsed} or separated by the @command{awk} utility into
chunks
called @dfn{fields}. By default, fields are separated by @dfn{whitespace},
like words in a line.
Whitespace in @command{awk} means any string of one or more spaces,
-TABs, or newlines;@footnote{In POSIX @command{awk}, newlines are not
-considered whitespace for separating fields.} other characters
+TABs, or newlines; other characters
that are considered whitespace by other languages
(such as formfeed, vertical tab, etc.) are @emph{not} considered
whitespace by @command{awk}.
@@ -6880,7 +6871,6 @@ can massage it first with a separate @command{awk}
program.)
@node Default Field Splitting
@subsection Whitespace Normally Separates Fields
address@hidden newlines, as field separators
@cindex whitespace, as field separators
Fields are normally separated by whitespace sequences
(spaces, TABs, and newlines), not by single spaces. Two spaces in a row do not
@@ -14048,12 +14038,11 @@ specify the behavior when @code{FS} is the null
string.
Nonetheless, some other versions of @command{awk} also treat
@code{""} specially.)
address@hidden POSIX @command{awk}, @code{FS} variable and
The default value is @address@hidden" "}}, a string consisting of a single
-space. As a special exception, this value means that any
-sequence of spaces, TABs, and/or newlines is a single address@hidden
-POSIX @command{awk}, newline does not count as whitespace.} It also causes
-spaces, TABs, and newlines at the beginning and end of a record to be ignored.
+space. As a special exception, this value means that any sequence of
+spaces, TABs, and/or newlines is a single separator. It also causes
+spaces, TABs, and newlines at the beginning and end of a record to
+be ignored.
You can set the value of @code{FS} on the command line using the
@option{-F} option:
@@ -35940,6 +35929,14 @@ Nonfatal output with @code{print} and @code{printf}.
@xref{Nonfatal}.
@item
+For many years, POSIX specified that default field splitting
+only allowed spaces and tabs to separate fields, and this was
+how @command{gawk} behaved with @option{--posix}. As of 2013,
+the standard restored historical behavior, and now default
+field splitting with @option{--posix} also allows newlines to
+separate fields.
+
address@hidden
Support for MirBSD was removed.
@end itemize
diff --git a/field.c b/field.c
index 13a5db6..b6840b0 100644
--- a/field.c
+++ b/field.c
@@ -44,8 +44,6 @@ static long re_parse_field(long, char **, int, NODE *,
Regexp *, Setfunc, NODE *, NODE *, bool);
static long def_parse_field(long, char **, int, NODE *,
Regexp *, Setfunc, NODE *, NODE *, bool);
-static long posix_def_parse_field(long, char **, int, NODE *,
- Regexp *, Setfunc, NODE *, NODE *, bool);
static long null_parse_field(long, char **, int, NODE *,
Regexp *, Setfunc, NODE *, NODE *, bool);
static long sc_parse_field(long, char **, int, NODE *,
@@ -538,75 +536,6 @@ def_parse_field(long up_to, /* parse only up to
this field number */
}
/*
- * posix_def_parse_field --- default field parsing.
- *
- * This is called both from get_field() and from do_split()
- * via (*parse_field)(). This variation is for when FS is a single space
- * character. The only difference between this and def_parse_field()
- * is that this one does not allow newlines to separate fields.
- */
-
-static long
-posix_def_parse_field(long up_to, /* parse only up to this field number */
- char **buf, /* on input: string to parse; on output: point to start
next */
- int len,
- NODE *fs,
- Regexp *rp ATTRIBUTE_UNUSED,
- Setfunc set, /* routine to set the value of the parsed field */
- NODE *n,
- NODE *dummy ATTRIBUTE_UNUSED, /* sep_arr not needed here: hence dummy */
- bool in_middle ATTRIBUTE_UNUSED)
-{
- char *scan = *buf;
- long nf = parse_high_water;
- char *field;
- char *end = scan + len;
- char sav;
-
- if (up_to == UNLIMITED)
- nf = 0;
- if (len == 0)
- return nf;
-
- /*
- * Nasty special case. If FS set to "", return whole record
- * as first field. This is not worth a separate function.
- */
- if (fs->stlen == 0) {
- (*set)(++nf, *buf, len, n);
- *buf += len;
- return nf;
- }
-
- /* before doing anything save the char at *end */
- sav = *end;
- /* because it will be destroyed now: */
-
- *end = ' '; /* sentinel character */
- for (; nf < up_to; scan++) {
- /*
- * special case: fs is single space, strip leading whitespace
- */
- while (scan < end && (*scan == ' ' || *scan == '\t'))
- scan++;
- if (scan >= end)
- break;
- field = scan;
- while (*scan != ' ' && *scan != '\t')
- scan++;
- (*set)(++nf, field, (long)(scan - field), n);
- if (scan == end)
- break;
- }
-
- /* everything done, restore original char at *end */
- *end = sav;
-
- *buf = scan;
- return nf;
-}
-
-/*
* null_parse_field --- each character is a separate field
*
* This is called both from get_field() and from do_split()
@@ -1020,10 +949,7 @@ do_split(int nargs)
}
} else if (fs->stlen == 1 && (sep->re_flags & CONSTANT) == 0) {
if (fs->stptr[0] == ' ') {
- if (do_posix)
- parseit = posix_def_parse_field;
- else
- parseit = def_parse_field;
+ parseit = def_parse_field;
} else
parseit = sc_parse_field;
} else {
@@ -1274,10 +1200,7 @@ choose_fs_function:
sprintf(buf, "[%c\n]", fs->stptr[0]);
}
} else {
- if (do_posix)
- parse_field = posix_def_parse_field;
- else
- parse_field = def_parse_field;
+ parse_field = def_parse_field;
if (fs->stlen == 1) {
if (fs->stptr[0] == ' ')
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +
NEWS | 4 +
doc/ChangeLog | 7 +
doc/gawk.1 | 10 +-
doc/gawk.info | 1112 +++++++++++++++++++++++++++----------------------------
doc/gawk.texi | 29 +-
doc/gawktexi.in | 29 +-
field.c | 81 +----
8 files changed, 595 insertions(+), 683 deletions(-)
hooks/post-receive
--
gawk
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