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authorDavid Kastrup <dak@gnu.org>2007-09-23 20:42:08 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-09-23 23:12:00 (GMT)
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parentb9fc6ea9efdc988d851666d45d80076839d9c225 (diff)
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Supplant the "while case ... break ;; esac" idiom
A lot of shell scripts contained stuff starting with while case "$#" in 0) break ;; esac and similar. I consider breaking out of the condition instead of the body od the loop ugly, and the implied "true" value of the non-matching case is not really obvious to humans at first glance. It happens not to be obvious to some BSD shells, either, but that's because they are not POSIX-compliant. In most cases, this has been replaced by a straight condition using "test". "case" has the advantage of being faster than "test" on vintage shells where "test" is not a builtin. Since none of them is likely to run the git scripts, anyway, the added readability should be worth the change. A few loops have had their termination condition expressed differently. Signed-off-by: David Kastrup <dak@gnu.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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