On Thu, Sep 13, 2007 at 01:05:06PM -0700, Chris Wedgwood wrote:
> On Thu, Sep 13, 2007 at 10:17:27PM +0200, Oleg Verych wrote:
>
> > That particular one-line `ALTARCH := i386' of course can be matched
> > simpler, because there's only *one* (as written above) whitespace and no
> > make's assignment variations,
>
> The goal is to extract the RHS from ALTARCH := ...
printf "C=i386\n ALTARCH = i386
ALTARCH= i386
ALTARCH :=i386
A=i386
ALTARCH := i386
ALTARCH?=i386
" | sed -n '
/^[[:blank:]]*ALTARCH[^?]*=/{
/[[:blank:]:]*=[[:blank:]]*i386[[:blank:]]*$/{
s_.*_i386_;=;p;
}
}'
Maybe this one then, to much as much valid assigments as possible :)
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