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[gawk-diffs] [SCM] gawk branch, gawk-4.0-stable, updated. f60abc38c224e5
|
From: |
Arnold Robbins |
|
Subject: |
[gawk-diffs] [SCM] gawk branch, gawk-4.0-stable, updated. f60abc38c224e5a56aef64564d37f5f6ef7e87a9 |
|
Date: |
Sun, 05 Aug 2012 14:36:43 +0000 |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gawk".
The branch, gawk-4.0-stable has been updated
via f60abc38c224e5a56aef64564d37f5f6ef7e87a9 (commit)
from c6454cc02a0c79c3da5316aa580e545c8e7085f0 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=f60abc38c224e5a56aef64564d37f5f6ef7e87a9
commit f60abc38c224e5a56aef64564d37f5f6ef7e87a9
Author: Arnold D. Robbins <address@hidden>
Date: Sun Aug 5 17:33:52 2012 +0300
Fix doc on RS = "a" case.
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 5d28ede..88743ad 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -2,6 +2,8 @@
* gawk.texi (PC Binary Installation): Document Eli Zaretskii's
site.
+ (Records): Update case of RS = "a". It only prints 1 if in
+ POSIX mode. Thanks to Jeroen Schot who first reported it.
2012-07-20 Arnold D. Robbins <address@hidden>
diff --git a/doc/gawk.info b/doc/gawk.info
index d8e27f4..91c9d51 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -3707,14 +3707,19 @@ using the variable-assignment feature (*note Other
Arguments::):
This sets `RS' to `/' before processing `BBS-list'.
Using an unusual character such as `/' for the record separator
-produces correct behavior in the vast majority of cases. However, the
-following (extreme) pipeline prints a surprising `1':
+produces correct behavior in the vast majority of cases.
- $ echo | awk 'BEGIN { RS = "a" } ; { print NF }'
+ There is one unusual case, that occurs when `gawk' is being fully
+POSIX-compliant (*note Options::). Then, the following (extreme)
+pipeline prints a surprising `1':
+
+ $ echo | gawk --posix 'BEGIN { RS = "a" } ; { print NF }'
-| 1
There is one field, consisting of a newline. The value of the
built-in variable `NF' is the number of fields in the current record.
+(In the normal case, `gawk' treats the newline as whitespace, printing
+`0' as the result. Most other versions of `awk' also act this way.)
Reaching the end of an input file terminates the current input
record, even if the last character in the file is not the character in
@@ -24960,7 +24965,7 @@ Index
(line 131)
* advanced features, constants, values of: Nondecimal-numbers.
(line 67)
-* advanced features, data files as single record: Records. (line 175)
+* advanced features, data files as single record: Records. (line 180)
* advanced features, fixed-width data: Constant Size. (line 9)
* advanced features, FNR/NR variables: Auto-set. (line 207)
* advanced features, gawk: Advanced Features. (line 6)
@@ -25374,7 +25379,7 @@ Index
* common extensions, length() applied to an array: String Functions.
(line 196)
* common extensions, nextfile statement: Nextfile Statement. (line 6)
-* common extensions, RS as a regexp: Records. (line 115)
+* common extensions, RS as a regexp: Records. (line 120)
* common extensions, single character fields: Single Character Fields.
(line 6)
* comp.lang.awk newsgroup: Bugs. (line 38)
@@ -25470,7 +25475,7 @@ Index
* dark corner, format-control characters: Control Letters. (line 18)
* dark corner, FS as null string: Single Character Fields.
(line 20)
-* dark corner, input files: Records. (line 98)
+* dark corner, input files: Records. (line 103)
* dark corner, invoking awk: Command Line. (line 16)
* dark corner, length() function: String Functions. (line 182)
* dark corner, multiline records: Multiple Line. (line 35)
@@ -25483,7 +25488,7 @@ Index
* dark corner, regexp constants, as arguments to user-defined functions: Using
Constant Regexps.
(line 43)
* dark corner, split() function: String Functions. (line 361)
-* dark corner, strings, storing: Records. (line 191)
+* dark corner, strings, storing: Records. (line 196)
* dark corner, value of ARGV[0]: Auto-set. (line 35)
* data, fixed-width: Constant Size. (line 9)
* data-driven languages: Basic High Level. (line 83)
@@ -25659,19 +25664,19 @@ Index
* differences in awk and gawk, print/printf statements: Format Modifiers.
(line 13)
* differences in awk and gawk, PROCINFO array: Auto-set. (line 123)
-* differences in awk and gawk, record separators: Records. (line 112)
+* differences in awk and gawk, record separators: Records. (line 117)
* differences in awk and gawk, regexp constants: Using Constant Regexps.
(line 43)
* differences in awk and gawk, regular expressions: Case-sensitivity.
(line 26)
-* differences in awk and gawk, RS/RT variables: Records. (line 167)
+* differences in awk and gawk, RS/RT variables: Records. (line 172)
* differences in awk and gawk, RT variable: Auto-set. (line 196)
* differences in awk and gawk, single-character fields: Single Character
Fields.
(line 6)
* differences in awk and gawk, split() function: String Functions.
(line 349)
* differences in awk and gawk, strings: Scalar Constants. (line 20)
-* differences in awk and gawk, strings, storing: Records. (line 187)
+* differences in awk and gawk, strings, storing: Records. (line 192)
* differences in awk and gawk, strtonum() function (gawk): String Functions.
(line 404)
* differences in awk and gawk, TEXTDOMAIN variable: User-modified.
@@ -25823,7 +25828,7 @@ Index
* extensions, common, length() applied to an array: String Functions.
(line 196)
* extensions, common, nextfile statement: Nextfile Statement. (line 6)
-* extensions, common, RS as a regexp: Records. (line 115)
+* extensions, common, RS as a regexp: Records. (line 120)
* extensions, common, single character fields: Single Character Fields.
(line 6)
* extensions, in gawk, not in POSIX awk: POSIX/GNU. (line 6)
@@ -25895,7 +25900,7 @@ Index
* files, /inet/... (gawk): TCP/IP Networking. (line 6)
* files, /inet4/... (gawk): TCP/IP Networking. (line 6)
* files, /inet6/... (gawk): TCP/IP Networking. (line 6)
-* files, as single records: Records. (line 196)
+* files, as single records: Records. (line 201)
* files, awk programs in: Long. (line 6)
* files, awkprof.out: Profiling. (line 10)
* files, awkvars.out: Options. (line 93)
@@ -26123,7 +26128,7 @@ Index
* gawk, RT variable in <2>: Getline/Variable/File.
(line 10)
* gawk, RT variable in <3>: Multiple Line. (line 129)
-* gawk, RT variable in: Records. (line 112)
+* gawk, RT variable in: Records. (line 117)
* gawk, See Also awk: Preface. (line 36)
* gawk, source code, obtaining: Getting. (line 6)
* gawk, splitting fields and: Constant Size. (line 87)
@@ -26569,7 +26574,7 @@ Index
* null strings <2>: Truth Values. (line 6)
* null strings <3>: Regexp Field Splitting.
(line 43)
-* null strings: Records. (line 102)
+* null strings: Records. (line 107)
* null strings, array elements and: Delete. (line 27)
* null strings, as array subscripts: Uninitialized Subscripts.
(line 43)
@@ -26738,7 +26743,7 @@ Index
(line 113)
* portability, close() function and: Close Files And Pipes.
(line 81)
-* portability, data files as single record: Records. (line 175)
+* portability, data files as single record: Records. (line 180)
* portability, deleting array elements: Delete. (line 52)
* portability, example programs: Library Functions. (line 31)
* portability, fflush() function and: I/O Functions. (line 29)
@@ -26919,15 +26924,15 @@ Index
* record separators <1>: User-modified. (line 134)
* record separators: Records. (line 14)
* record separators, changing: Records. (line 81)
-* record separators, regular expressions as: Records. (line 112)
+* record separators, regular expressions as: Records. (line 117)
* record separators, with multiline records: Multiple Line. (line 10)
* records <1>: Basic High Level. (line 71)
* records: Reading Files. (line 14)
* records, multiline: Multiple Line. (line 6)
* records, printing: Print. (line 22)
* records, splitting input into: Records. (line 6)
-* records, terminating: Records. (line 112)
-* records, treating files as: Records. (line 196)
+* records, terminating: Records. (line 117)
+* records, treating files as: Records. (line 201)
* recursive functions: Definition Syntax. (line 73)
* redirection of input: Getline/File. (line 6)
* redirection of output: Redirection. (line 6)
@@ -26953,7 +26958,7 @@ Index
(line 6)
* regular expressions, as patterns <1>: Regexp Patterns. (line 6)
* regular expressions, as patterns: Regexp Usage. (line 6)
-* regular expressions, as record separators: Records. (line 112)
+* regular expressions, as record separators: Records. (line 117)
* regular expressions, case sensitivity <1>: User-modified. (line 82)
* regular expressions, case sensitivity: Case-sensitivity. (line 6)
* regular expressions, computed: Computed Regexps. (line 6)
@@ -27029,7 +27034,7 @@ Index
* RT variable <2>: Getline/Variable/File.
(line 10)
* RT variable <3>: Multiple Line. (line 129)
-* RT variable: Records. (line 112)
+* RT variable: Records. (line 117)
* Rubin, Paul <1>: Contributors. (line 16)
* Rubin, Paul: History. (line 30)
* rule, definition of: Getting Started. (line 21)
@@ -27070,7 +27075,7 @@ Index
* separators, field, POSIX and: Fields. (line 6)
* separators, for records <1>: User-modified. (line 134)
* separators, for records: Records. (line 14)
-* separators, for records, regular expressions as: Records. (line 112)
+* separators, for records, regular expressions as: Records. (line 117)
* separators, for statements in actions: Action Overview. (line 19)
* separators, subscript: User-modified. (line 147)
* set debugger command: Viewing And Changing Data.
@@ -27187,7 +27192,7 @@ Index
* strings, converting <1>: Bitwise Functions. (line 107)
* strings, converting: Conversion. (line 6)
* strings, converting, numbers to: User-modified. (line 28)
-* strings, empty, See null strings: Records. (line 102)
+* strings, empty, See null strings: Records. (line 107)
* strings, extracting: String Extraction. (line 6)
* strings, for localization: Programmer i18n. (line 14)
* strings, length of: Scalar Constants. (line 20)
@@ -27230,7 +27235,7 @@ Index
* TCP/IP, support for: Special Network. (line 6)
* tee utility: Tee Program. (line 6)
* tee.awk program: Tee Program. (line 26)
-* terminating records: Records. (line 112)
+* terminating records: Records. (line 117)
* testbits.awk program: Bitwise Functions. (line 68)
* Texinfo <1>: Adding Code. (line 99)
* Texinfo <2>: Distribution contents.
@@ -27541,351 +27546,351 @@ Node: Leftmost Longest155607
Node: Computed Regexps156808
Node: Reading Files160218
Node: Records162159
-Ref: Records-Footnote-1170833
-Node: Fields170870
-Ref: Fields-Footnote-1173903
-Node: Nonconstant Fields173989
-Node: Changing Fields176191
-Node: Field Separators182172
-Node: Default Field Splitting184801
-Node: Regexp Field Splitting185918
-Node: Single Character Fields189260
-Node: Command Line Field Separator190319
-Node: Field Splitting Summary193760
-Ref: Field Splitting Summary-Footnote-1196952
-Node: Constant Size197053
-Node: Splitting By Content201637
-Ref: Splitting By Content-Footnote-1205363
-Node: Multiple Line205403
-Ref: Multiple Line-Footnote-1211250
-Node: Getline211429
-Node: Plain Getline213657
-Node: Getline/Variable215746
-Node: Getline/File216887
-Node: Getline/Variable/File218209
-Ref: Getline/Variable/File-Footnote-1219808
-Node: Getline/Pipe219895
-Node: Getline/Variable/Pipe222455
-Node: Getline/Coprocess223562
-Node: Getline/Variable/Coprocess224805
-Node: Getline Notes225519
-Node: Getline Summary228306
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-Node: Print231761
-Node: Print Examples233098
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-Node: OFMT237642
-Node: Printf239000
-Node: Basic Printf239906
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-Node: Special Files260965
-Node: Special FD261498
-Ref: Special FD-Footnote-1265123
-Node: Special Network265197
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-Ref: Close Files And Pipes-Footnote-2274014
-Node: Expressions274164
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-Node: Scalar Constants276652
-Ref: Scalar Constants-Footnote-1277511
-Node: Nondecimal-numbers277693
-Node: Regexp Constants280752
-Node: Using Constant Regexps281227
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-Node: Using Variables284937
-Node: Assignment Options286661
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-Node: All Operators294642
-Node: Arithmetic Ops295272
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-Node: Assignment Ops300690
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-Node: Typing and Comparison312688
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+Node: Fields171120
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+Node: Field Separators182422
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+Node: Regexp Field Splitting186168
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+Node: Special Files261215
+Node: Special FD261748
+Ref: Special FD-Footnote-1265373
+Node: Special Network265447
+Node: Special Caveats266297
+Node: Close Files And Pipes267093
+Ref: Close Files And Pipes-Footnote-1274116
+Ref: Close Files And Pipes-Footnote-2274264
+Node: Expressions274414
+Node: Values275546
+Node: Constants276222
+Node: Scalar Constants276902
+Ref: Scalar Constants-Footnote-1277761
+Node: Nondecimal-numbers277943
+Node: Regexp Constants281002
+Node: Using Constant Regexps281477
+Node: Variables284532
+Node: Using Variables285187
+Node: Assignment Options286911
+Node: Conversion288783
+Ref: table-locale-affects294159
+Ref: Conversion-Footnote-1294783
+Node: All Operators294892
+Node: Arithmetic Ops295522
+Node: Concatenation298027
+Ref: Concatenation-Footnote-1300820
+Node: Assignment Ops300940
+Ref: table-assign-ops305928
+Node: Increment Ops307336
+Node: Truth Values and Conditions310806
+Node: Truth Values311889
+Node: Typing and Comparison312938
+Node: Variable Typing313727
+Ref: Variable Typing-Footnote-1317624
+Node: Comparison Operators317746
+Ref: table-relational-ops318156
+Node: POSIX String Comparison321705
+Ref: POSIX String Comparison-Footnote-1322661
+Node: Boolean Ops322799
+Ref: Boolean Ops-Footnote-1326877
+Node: Conditional Exp326968
+Node: Function Calls328700
+Node: Precedence332294
+Node: Locales335963
+Node: Patterns and Actions337052
+Node: Pattern Overview338106
+Node: Regexp Patterns339775
+Node: Expression Patterns340318
+Node: Ranges344003
+Node: BEGIN/END346969
+Node: Using BEGIN/END347731
+Ref: Using BEGIN/END-Footnote-1350462
+Node: I/O And BEGIN/END350568
+Node: BEGINFILE/ENDFILE352850
+Node: Empty355743
+Node: Using Shell Variables356059
+Node: Action Overview358344
+Node: Statements360701
+Node: If Statement362555
+Node: While Statement364054
+Node: Do Statement366098
+Node: For Statement367254
+Node: Switch Statement370406
+Node: Break Statement372503
+Node: Continue Statement374493
+Node: Next Statement376286
+Node: Nextfile Statement378676
+Node: Exit Statement381221
+Node: Built-in Variables383637
+Node: User-modified384732
+Ref: User-modified-Footnote-1392758
+Node: Auto-set392820
+Ref: Auto-set-Footnote-1402111
+Node: ARGC and ARGV402316
+Node: Arrays406167
+Node: Array Basics407672
+Node: Array Intro408498
+Node: Reference to Elements412816
+Node: Assigning Elements415086
+Node: Array Example415577
+Node: Scanning an Array417309
+Node: Controlling Scanning419623
+Ref: Controlling Scanning-Footnote-1424556
+Node: Delete424872
+Ref: Delete-Footnote-1427307
+Node: Numeric Array Subscripts427364
+Node: Uninitialized Subscripts429547
+Node: Multi-dimensional431175
+Node: Multi-scanning434269
+Node: Arrays of Arrays435860
+Node: Functions440505
+Node: Built-in441327
+Node: Calling Built-in442405
+Node: Numeric Functions444393
+Ref: Numeric Functions-Footnote-1448225
+Ref: Numeric Functions-Footnote-2448582
+Ref: Numeric Functions-Footnote-3448630
+Node: String Functions448899
+Ref: String Functions-Footnote-1472396
+Ref: String Functions-Footnote-2472525
+Ref: String Functions-Footnote-3472773
+Node: Gory Details472860
+Ref: table-sub-escapes474539
+Ref: table-sub-posix-92475893
+Ref: table-sub-proposed477236
+Ref: table-posix-sub478586
+Ref: table-gensub-escapes480132
+Ref: Gory Details-Footnote-1481339
+Ref: Gory Details-Footnote-2481390
+Node: I/O Functions481541
+Ref: I/O Functions-Footnote-1488196
+Node: Time Functions488343
+Ref: Time Functions-Footnote-1499235
+Ref: Time Functions-Footnote-2499303
+Ref: Time Functions-Footnote-3499461
+Ref: Time Functions-Footnote-4499572
+Ref: Time Functions-Footnote-5499684
+Ref: Time Functions-Footnote-6499911
+Node: Bitwise Functions500177
+Ref: table-bitwise-ops500735
+Ref: Bitwise Functions-Footnote-1504895
+Node: Type Functions505079
+Node: I18N Functions505549
+Node: User-defined507176
+Node: Definition Syntax507980
+Ref: Definition Syntax-Footnote-1512890
+Node: Function Example512959
+Node: Function Caveats515553
+Node: Calling A Function515974
+Node: Variable Scope517089
+Node: Pass By Value/Reference519064
+Node: Return Statement522504
+Node: Dynamic Typing525485
+Node: Indirect Calls526220
+Node: Internationalization535905
+Node: I18N and L10N537331
+Node: Explaining gettext538017
+Ref: Explaining gettext-Footnote-1543083
+Ref: Explaining gettext-Footnote-2543267
+Node: Programmer i18n543432
+Node: Translator i18n547632
+Node: String Extraction548425
+Ref: String Extraction-Footnote-1549386
+Node: Printf Ordering549472
+Ref: Printf Ordering-Footnote-1552256
+Node: I18N Portability552320
+Ref: I18N Portability-Footnote-1554769
+Node: I18N Example554832
+Ref: I18N Example-Footnote-1557467
+Node: Gawk I18N557539
+Node: Advanced Features558156
+Node: Nondecimal Data559669
+Node: Array Sorting561252
+Node: Controlling Array Traversal561949
+Node: Array Sorting Functions570186
+Ref: Array Sorting Functions-Footnote-1573860
+Ref: Array Sorting Functions-Footnote-2573953
+Node: Two-way I/O574147
+Ref: Two-way I/O-Footnote-1579579
+Node: TCP/IP Networking579649
+Node: Profiling582493
+Node: Library Functions589967
+Ref: Library Functions-Footnote-1592974
+Node: Library Names593145
+Ref: Library Names-Footnote-1596616
+Ref: Library Names-Footnote-2596836
+Node: General Functions596922
+Node: Strtonum Function597875
+Node: Assert Function600805
+Node: Round Function604131
+Node: Cliff Random Function605674
+Node: Ordinal Functions606690
+Ref: Ordinal Functions-Footnote-1609760
+Ref: Ordinal Functions-Footnote-2610012
+Node: Join Function610221
+Ref: Join Function-Footnote-1611992
+Node: Gettimeofday Function612192
+Node: Data File Management615907
+Node: Filetrans Function616539
+Node: Rewind Function620678
+Node: File Checking622065
+Node: Empty Files623159
+Node: Ignoring Assigns625389
+Node: Getopt Function626942
+Ref: Getopt Function-Footnote-1638246
+Node: Passwd Functions638449
+Ref: Passwd Functions-Footnote-1647424
+Node: Group Functions647512
+Node: Walking Arrays655596
+Node: Sample Programs657165
+Node: Running Examples657830
+Node: Clones658558
+Node: Cut Program659782
+Node: Egrep Program669627
+Ref: Egrep Program-Footnote-1677400
+Node: Id Program677510
+Node: Split Program681126
+Ref: Split Program-Footnote-1684645
+Node: Tee Program684773
+Node: Uniq Program687576
+Node: Wc Program695005
+Ref: Wc Program-Footnote-1699271
+Ref: Wc Program-Footnote-2699471
+Node: Miscellaneous Programs699563
+Node: Dupword Program700751
+Node: Alarm Program702782
+Node: Translate Program707531
+Ref: Translate Program-Footnote-1711918
+Ref: Translate Program-Footnote-2712146
+Node: Labels Program712280
+Ref: Labels Program-Footnote-1715651
+Node: Word Sorting715735
+Node: History Sorting719619
+Node: Extract Program721458
+Ref: Extract Program-Footnote-1728941
+Node: Simple Sed729069
+Node: Igawk Program732131
+Ref: Igawk Program-Footnote-1747288
+Ref: Igawk Program-Footnote-2747489
+Node: Anagram Program747627
+Node: Signature Program750695
+Node: Debugger751795
+Node: Debugging752706
+Node: Debugging Concepts753119
+Node: Debugging Terms754975
+Node: Awk Debugging757598
+Node: Sample dgawk session758490
+Node: dgawk invocation758982
+Node: Finding The Bug760164
+Node: List of Debugger Commands766650
+Node: Breakpoint Control767961
+Node: Dgawk Execution Control771597
+Node: Viewing And Changing Data774948
+Node: Dgawk Stack778285
+Node: Dgawk Info779745
+Node: Miscellaneous Dgawk Commands783693
+Node: Readline Support789121
+Node: Dgawk Limitations789959
+Node: Language History792148
+Node: V7/SVR3.1793660
+Node: SVR4795981
+Node: POSIX797423
+Node: BTL798431
+Node: POSIX/GNU799165
+Node: Common Extensions804316
+Node: Ranges and Locales805423
+Ref: Ranges and Locales-Footnote-1810134
+Ref: Ranges and Locales-Footnote-2810161
+Ref: Ranges and Locales-Footnote-3810421
+Node: Contributors810642
+Node: Installation814904
+Node: Gawk Distribution815798
+Node: Getting816282
+Node: Extracting817108
+Node: Distribution contents818800
+Node: Unix Installation824022
+Node: Quick Installation824639
+Node: Additional Configuration Options826601
+Node: Configuration Philosophy828078
+Node: Non-Unix Installation830420
+Node: PC Installation830878
+Node: PC Binary Installation832177
+Node: PC Compiling834192
+Node: PC Testing837136
+Node: PC Using838312
+Node: Cygwin842497
+Node: MSYS843497
+Node: VMS Installation844011
+Node: VMS Compilation844614
+Ref: VMS Compilation-Footnote-1845621
+Node: VMS Installation Details845679
+Node: VMS Running847314
+Node: VMS Old Gawk848921
+Node: Bugs849395
+Node: Other Versions853247
+Node: Notes858528
+Node: Compatibility Mode859220
+Node: Additions860003
+Node: Accessing The Source860815
+Node: Adding Code862240
+Node: New Ports868207
+Node: Dynamic Extensions872320
+Node: Internals873696
+Node: Plugin License882799
+Node: Sample Library883433
+Node: Internal File Description884119
+Node: Internal File Ops887834
+Ref: Internal File Ops-Footnote-1892615
+Node: Using Internal File Ops892755
+Node: Future Extensions895132
+Node: Basic Concepts897636
+Node: Basic High Level898393
+Ref: Basic High Level-Footnote-1902428
+Node: Basic Data Typing902613
+Node: Floating Point Issues907138
+Node: String Conversion Precision908221
+Ref: String Conversion Precision-Footnote-1909921
+Node: Unexpected Results910030
+Node: POSIX Floating Point Problems911856
+Ref: POSIX Floating Point Problems-Footnote-1915561
+Node: Glossary915599
+Node: Copying940575
+Node: GNU Free Documentation License978132
+Node: Index1003269
End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 91ef044..b204464 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -5256,16 +5256,22 @@ awk '@{ print $0 @}' RS="/" BBS-list
This sets @code{RS} to @samp{/} before processing @file{BBS-list}.
Using an unusual character such as @samp{/} for the record separator
-produces correct behavior in the vast majority of cases. However,
-the following (extreme) pipeline prints a surprising @samp{1}:
+produces correct behavior in the vast majority of cases.
+
+There is one unusual case, that occurs when @command{gawk} is
+being fully POSIX-compliant (@pxref{Options}).
+Then, the following (extreme) pipeline prints a surprising @samp{1}:
@example
-$ echo | awk 'BEGIN @{ RS = "a" @} ; @{ print NF @}'
+$ echo | gawk --posix 'BEGIN @{ RS = "a" @} ; @{ print NF @}'
@print{} 1
@end example
There is one field, consisting of a newline. The value of the built-in
variable @code{NF} is the number of fields in the current record.
+(In the normal case, @command{gawk} treats the newline as whitespace,
+printing @samp{0} as the result. Most other versions of @command{awk}
+also act this way.)
@cindex dark corner, input files
Reaching the end of an input file terminates the current input record,
-----------------------------------------------------------------------
Summary of changes:
doc/ChangeLog | 2 +
doc/gawk.info | 743 +++++++++++++++++++++++++++++----------------------------
doc/gawk.texi | 12 +-
3 files changed, 385 insertions(+), 372 deletions(-)
hooks/post-receive
--
gawk
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- [gawk-diffs] [SCM] gawk branch, gawk-4.0-stable, updated. f60abc38c224e5a56aef64564d37f5f6ef7e87a9,
Arnold Robbins <=