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