[U-Boot] [PATCH v4 1/2] tools, config.mk: add binutils-version

Mike Frysinger vapier at gentoo.org
Thu Jul 19 17:21:50 CEST 2012


On Thursday 19 July 2012 11:08:10 Tom Rini wrote:
> On 07/18/2012 08:11 PM, Mike Frysinger wrote:
> > On Wednesday 18 July 2012 19:45:52 Allen Martin wrote:
> >> +MAJOR=$($gas --version | head -1 | awk '{print $NF}' | cut -d . -f 1)
> >> +MINOR=$($gas --version | head -1 | awk '{print $NF}' | cut -d . -f 2)
> >> +
> >> +printf "%02d%02d\\n" $MAJOR $MINOR
> > 
> > can be replaced with a single awk script:
> > 
> > $gas --version | awk '{ gsub(/[.]/, " ", $NF) $0 = $NF printf
> > "%02d%02d\n", $1, $2 exit }'
> 
> That looks much longer and we call this once so a few execs is noise.

here's a shorter version:
$gas --version | awk '{ gsub(/[.]/, " ", $NF); $0 = $NF; printf "%02d%02d\n", $1, $2; exit }'
-mike
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