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view tools/foreach.m4 @ 1504:d5b677831671

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Make grab_bg() stackable
author Thinker K.F. Li <thinker@codemud.net>
date Mon, 09 May 2011 00:27:10 +0800
parents f4b792afa74e
children
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divert([-1])

define([_arg1], [$1])

define([_foreach], [ifelse([$2], [()], [],
[define([$1], _arg1$2)$3[]_foreach([$1], (shift$2), [$3])])])

define([foreach], [pushdef([$1])_foreach($@)popdef([$1])])

divert[]dnl