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#!/bin/sh
# get build-id of binary
set -e
usage() {
echo "Usage: getbuildid [flag] file";
echo " print build-id of an object file"
echo "flags:"
echo " -f : full build-id (default)."
echo " -s : short build-id aka the first two characters."
}
if test $# -lt 1; then usage; exit 77; fi
if test $# -gt 3; then usage; exit 77; fi
if test $# -eq 1; then
LC_ALL=C readelf -n "$1" | grep -i 'Build Id:' | sed 's/.*:[[:blank:]]*\([[:digit:]|abcdef]*\).*/\1/g'
else
case "x$1" in
'x-f')
LC_ALL=C readelf -n "$2" | grep -i 'Build Id:' | sed 's/.*:[[:blank:]]*\([[:digit:]|abcdef]*\).*/\1/g' ;;
'x-s')
LC_ALL=C readelf -n "$2" | grep -i 'Build Id:' | sed 's/.*:[[:blank:]]*\([[:digit:]|abcdef]\{2\}\).*/\1/g' ;;
*)
exit 2;
esac
fi
exit 0;
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