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Re: gnulib-tool: Improve handling of multiple --local-dir options
From: |
Pavel Raiskup |
Subject: |
Re: gnulib-tool: Improve handling of multiple --local-dir options |
Date: |
Wed, 20 Feb 2019 08:03:16 +0100 |
On Tuesday, February 19, 2019 7:18:57 PM CET Bruno Haible wrote:
> Hi Pavel,
>
> > > makes the IFS handling a bit more robust.
>
> What I meant is that
>
> save_IFS="$IFS"
> for fpf_dir in $fpf_dirs
> do
> IFS="$save_IFS"
> [Some more code]
> done
> IFS="$save_IFS"
>
> is more robust than
>
> save_IFS="$IFS"
> for fpf_dir in $fpf_dirs
> do
> [Some more code]
> done
> IFS="$save_IFS"
>
> because the [Some more code] may invoke word splitting, and as a programmer
> I would expect this word splitting to be performed against the default IFS.
Makes sense, thanks. I was only confused by the var="$quoted_var" style,
which I was before discouraged from.
Pavel