Hi
On Fri, Oct 3, 2014 at 9:04 AM, Garry T. Williams <gtwilli...@gmail.com>
wrote:
>
> $ (checkbashisms -f -p $(grep -rlE '^#! ?/bin/(env )?sh' /usr/bin) )
> 2>&1 >/dev/null|grep 'possible bashism'|awk '{print $4}'|sort -u|wc -l
> 113
> $
>
> Many of these trigger multiple warnings from checkbashisms. The total
> here was 717. (Fedora 20, KDE.)
>
Those numbers are fairly misleading if you look a bit closer. Each
individual script has to be run through dash to confirm that it isn't a
false warning. If it truly uses bash specific syntax, then there is a bug
in the script and it should be changed to use !/usr/bin/bash (quicker) as
opposed to !/bin/bash or fixed to remove bash specific syntax (more
portable). Regardless of whether we are switching the default system
shell, any shell script that uses bash syntax should be fixed to use
!/usr/bin/bash. A lot of this work has already been done by Debian/Ubuntu.
Rahul
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