File: ki

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magyarispell 1.2%2Brepack-2
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#!/bin/sh
# description: subtract $1 from $2 without sorting
# usage: ki $1 $2
case $# in
[0-1]) echo "description: subtract file1 from file2
usage: ki file1 file2"; exit 0;;
esac
cat $2 | awk "BEGIN{while ((getline var < \"$1\") > 0) w[var]=1}
w[\$0]!=1{print\$0}" >/tmp/ki$$ && mv /tmp/ki$$ $2
[ -f /tmp/ki$$ ] && rm /tmp/ki$$