minix/commands/scripts/makewhatis.sh
2005-04-21 14:53:53 +00:00

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#!/bin/sh
#
# makewhatis 2.0 - make whatis(5) database. Author: Kees J. Bot.
#
# Make the whatis database of a man directory from the manual pages.
case $1 in
-*) set -$- x x
esac
case $# in
1) ;;
*) echo "Usage: $0 <mandir>" >&2
exit 1
esac
cd $1 || exit
{
# First pass, gathering the .SH NAME lines in various forms.
# First the man[1-8] directories, the titles are under the .SH NAME
# section header.
for chap in 1 2 3 4 5 6 7 8
do
for page in man$chap/*.$chap
do
if test -f "$page"; then # (Old sh barfs on 'continue')
sed -e 's/ / /g
/^\.SH NAME/,/^\.SH /!d
/^\.SH /d
s/\\f.//g # should not be needed
s/\\s[+-].//g
s/\\s.//g
s/\\//
'"s/ - / ($chap) - /" < "$page"
fi
done
done
# The Minix "Book style" documents, look for .CD
for page in man9/*.9
do
if test -f "$page"; then
sed -e 's/ / /g
/^\.CD /!d
s/^[^"]*"//
s/"[^"]*$//
s/\\(en/-/g
s/\\f.//g
s/\\s[+-].//g
s/\\s.//g
s/\\\*(M2/MINIX/g
s/\\//
'"s/ - / (9) - /" < "$page"
fi
done
# Some people throw extra flat text files into the cat[1-9]
# directories. It would be nice if man(1) can find them.
trap 'rm -f /tmp/mkw[cmn]$$; exit 1' 1 2 15
for chap in 1 2 3 4 5 6 7 8 9
do
ls cat$chap 2>/dev/null >/tmp/mkwc$$
ls man$chap 2>/dev/null >/tmp/mkwm$$
comm -23 /tmp/mkwc$$ /tmp/mkwm$$ >/tmp/mkwn$$
sed -e "/.*\\.$chap\$/!d
s/\\.$chap\$/ ($chap) - ???/" < /tmp/mkwn$$
done
rm -f /tmp/mkw[cmn]$$
} | {
# Second pass, remove empty lines, leading and trailing spaces,
# multiple spaces to one space, remove lines without a dash.
sed -e 's/ */ /g
s/^ //
s/ $//
/^$/d
/-/!d'
} | {
# Third pass, sort by section.
sort -t'(' +1 -o whatis
}