Changes to examples/capitalize2.m4 [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      07/10/02 22:07:23

Index: examples/capitalize2.m4
===================================================================
RCS file: examples/capitalize2.m4
diff -N examples/capitalize2.m4
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ examples/capitalize2.m4     2 Oct 2007 22:07:23 -0000       1.1.2.1
@@ -0,0 +1,19 @@
+divert(`-1')
+# upcase(text)
+# downcase(text)
+# capitalize(text)
+#   change case of text, improved version
+define(`upcase', `translit(`$*', `a-z', `A-Z')')
+define(`downcase', `translit(`$*', `A-Z', `a-z')')
+define(`_arg1', `$1')
+define(`_to_alt', `changequote(`<<[', `]>>')')
+define(`_from_alt', `changequote(<<[`]>>, <<[']>>)')
+define(`_upcase_alt', `translit(<<[$*]>>, <<[a-z]>>, <<[A-Z]>>)')
+define(`_downcase_alt', `translit(<<[$*]>>, <<[A-Z]>>, <<[a-z]>>)')
+define(`_capitalize_alt',
+  `regexp(<<[$1]>>, <<[^\(\w\)\(\w*\)]>>,
+    <<[_upcase_alt(<<[<<[\1]>>]>>)_downcase_alt(<<[<<[\2]>>]>>)]>>)')
+define(`capitalize',
+  `_arg1(_to_alt()patsubst(<<[<<[$*]>>]>>, <<[\w+]>>,
+    _from_alt()`]>>_$0_alt(<<[\&]>>)<<['_to_alt())_from_alt())')
+divert`'dnl