> Date: Fri, 21 Feb 2014 16:57:28 -0700
> From: [email protected]
> To: [email protected]; [email protected]
> Subject: Re: Recommended way to truncate a shell variable value in autoconf
>
> 'string : regexp' is portable. 'match string regexp' is not. For
> example this use of expr is already present in pretty much any configure
> file generated by modern autoconf:
>
> as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
Good. I think I have settled on this, but will go back to the expr solution if
you think that would be better:
X=`echo "$X" | sed 's/ .*// ' | sed 's/,.*//'`
By the way, thank you for all your help. :-)
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