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Annotation of 43BSDReno/usr.bin/diff/diff3/diff3.sh, revision 1.1

1.1     ! root        1: #! /bin/sh
        !             2: #
        !             3: #      diff3.sh        4.2     89/05/11
        !             4: #
        !             5: e=
        !             6: case $1 in
        !             7: -*)
        !             8:        e=$1
        !             9:        shift;;
        !            10: esac
        !            11: if test $# = 3 -a -f $1 -a -f $2 -a -f $3
        !            12: then
        !            13:        :
        !            14: else
        !            15:        echo usage: diff3 file1 file2 file3 1>&2
        !            16:        exit
        !            17: fi
        !            18: trap "rm -f /tmp/d3[ab]$$" 0 1 2 13 15
        !            19: diff $1 $3 >/tmp/d3a$$
        !            20: diff $2 $3 >/tmp/d3b$$
        !            21: /usr/libexec/diff3 $e /tmp/d3[ab]$$ $1 $2 $3

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