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#!/bin/sh
#
# makewhatis -- update the whatis database in the man directories.
#
# Copyright (c) 1990, 1991, John W. Eaton.
#
# You may distribute under the terms of the GNU General Public
# License as specified in the README file that comes with the man
# distribution.
#
# John W. Eaton
# jwe@che.utexas.edu
# Department of Chemical Engineering
# The University of Texas at Austin
# Austin, Texas 78712
PATH=/bin:/usr/local/bin:/usr/ucb:/usr/bin
if [ $# = 0 ]
then
echo "usage: makewhatis directory [...]"
exit 1
fi
for dir in $*
do
cd $dir
for subdir in man*
do
if [ -d $subdir ]
then
for f in `find . -name '*' -print`
do
sed -n '/^\.TH.*$/p
/^\.SH[ ]*NAME/,/^\.SH/p' $f |\
sed -e 's/\\[ ]*\-/-/
s/^.PP.*$//
s/\\(em//
s/\\fI//
s/\\fR//' |\
awk 'BEGIN {insh = 0} {
if ($1 == ".TH")
sect = $3
else if ($1 == ".SH" && insh == 1) {
if (i > 0 && name != NULL) {
namesect = sprintf("%s (%s)", name, sect)
printf("%-20.20s", namesect)
printf(" - ")
for (j = 0; j < i-1; j++)
printf("%s ", desc[j])
printf("%s\n", desc[i-1])
}
} else if ($1 == ".SH" && insh == 0) {
insh = 1
count = 0
i = 0
} else if (insh == 1) {
count++
if (count == 1 && NF > 2) {
start = 2
if ($2 == "-") start = 3
if (NF > start + 1)
for (j = start; j <= NF; j++)
desc[i++] = $j
name = $1
} else {
for (j = 1; j <= NF; j++)
desc[i++] = $j
}
}
}'
done
cd ..
fi
done | sort | colrm 80 > $dir/whatis.db.tmp
mv $dir/whatis.db.tmp $dir/whatis
done
exit
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