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| author | Gary V. Vaughan <gary@gnu.org> | 2013-09-22 09:49:06 +0700 |
|---|---|---|
| committer | Gary V. Vaughan <gary@gnu.org> | 2013-09-22 09:49:06 +0700 |
| commit | 578bd023ea85d57d8488b8cb88265fbe3a3071e4 (patch) | |
| tree | cc5a6088277c1a747041f5969cf21d7fca2ca4f1 /doc/examples/forloop2.m4 | |
| parent | 1eacf10370529972a7407bdbb368f5f69f87a1b8 (diff) | |
| download | m4-578bd023ea85d57d8488b8cb88265fbe3a3071e4.tar.gz | |
configury: move usage examples into doc subdirectory.
* examples: Move from here...
* doc/examples: ...to here.
* Makefile.am (EXTRA_DIST, dist_pkgdata_DATA): Adjust.
* README, doc/m4.texi, tests/builtins.at, tests/generate.awk,
tests/others.at: Likewise.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
Diffstat (limited to 'doc/examples/forloop2.m4')
| -rw-r--r-- | doc/examples/forloop2.m4 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/examples/forloop2.m4 b/doc/examples/forloop2.m4 new file mode 100644 index 00000000..b7154e86 --- /dev/null +++ b/doc/examples/forloop2.m4 @@ -0,0 +1,12 @@ +divert(`-1') +# forloop(var, from, to, stmt) - improved version: +# works even if VAR is not a strict macro name +# performs sanity check that FROM is larger than TO +# allows complex numerical expressions in TO and FROM +define(`forloop', `ifelse(eval(`($2) <= ($3)'), `1', + `pushdef(`$1')_$0(`$1', eval(`$2'), + eval(`$3'), `$4')popdef(`$1')')') +define(`_forloop', + `define(`$1', `$2')$4`'ifelse(`$2', `$3', `', + `$0(`$1', incr(`$2'), `$3', `$4')')') +divert`'dnl |