On Sun, Jan 13, 2013 at 11:25:57AM +0100, Torsten Bögershausen wrote:
> @@ -16,10 +16,10 @@ sub err {
>
> while (<>) {
> chomp;
> - /^\s*sed\s+-i/ and err 'sed -i is not portable';
> - /^\s*echo\s+-n/ and err 'echo -n is not portable (please use printf)';
> - /^\s*declare\s+/ and err 'arrays/declare not portable';
> - /^\s*[^#]\s*which\s/ and err 'which is not portable (please use type)';
> + /^\s*sed\s+-i\s+\S/ and err 'sed -i is not portable';
> + /^\s*echo\s+-n\s+\S/ and err 'echo -n is not portable (please use
> printf)';
> + /^\s*declare\s+\S/ and err 'arrays/declare not portable';
> + /^\s*[^#]\s*which\s+[-a-zA-Z0-9]+$/ and err 'which is not portable
> (please use type)';
The "[^#]" appears to ensure that there's at least one character
before the which and that it's not a pound sign. Why is this done?
Why isn't it done for the other commands?
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