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Re: strace completion (Re: grouping/joining _values)



On Fri, Jun 13, 2008 at 08:19:06PM +0100, Stephane Chazelas wrote:
> On Fri, Jun 13, 2008 at 05:04:58PM +0100, Stephane Chazelas wrote:
> [...]
> > > > > Are there any other useful strategies for extracting the real list of
> > > > > syscalls at runtime, so that on systems which package up the same
> > > > > version of zsh for N years the list doesn't grow stale?
> [...]
> > You could get the list from strace itself with:
> > 
> > ltrace -e strcmp strace -e xxx |& awk -F\" '
> >   /xxx/&&/strcmp/{print $4}' | sort -u
[...]

An other one that doesn't require ltrace:

zmodload zsh/mapfile
tmp==(print -rn -- ${mapfile[/usr/bin/strace]//strcmp/printf})
chmod u+x $tmp
$tmp -e $'%s\n' 2> /dev/null | sort -u
rm -f $tmp

I have to confess I'm quite pleased with myself on this one ;)

-- 
Stéphane



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