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#!/bin/sh
extract="ptroff -ms -t"
grep=egrep
in=$1
out=/dev/null
base=`echo $in | sed 's/\(.*\)\..*/\1/'`
idx=$base.idx
tmp=/tmp/$idx
cmd='^IX:'
sty = troff.ist
echo -n "Extracting index terms from $in..."
$extract $in > $out 2> $tmp
echo "done"
echo -n "Writing index terms to $idx..."
$grep $cmd $tmp > $idx
rm -f $tmp
echo "done"
makeindex -s $sty $idx
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