CVSROOT: /sources/m4 Module name: m4 Changes by: Eric Blake <ericb> 07/10/02 22:20:03
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 22:20:02 -0000 1.2 @@ -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
