mirror of
https://github.com/freebsd/freebsd-src.git
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Dag-Erling Smørgrav
ff2c98b30b
Many thanks to Paul Eggert for adopting most of our adaptations as optional features upstream in the previous release (2025c). MFC after: 1 week Reviewed by: philip Differential Revision: https://reviews.freebsd.org/D55741
57 lines
1.2 KiB
Bash
57 lines
1.2 KiB
Bash
#! /bin/sh
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# Convert manual page troff stdin to formatted .txt stdout.
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# This file is in the public domain, so clarified as of
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# 2009-05-17 by Arthur David Olson.
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manflags=
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while
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case $1 in
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-*) :;;
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*) false;;
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esac
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do
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manflags="$manflags $1"
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shift
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done
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groff="groff -dAD=l -rHY=0 $manflags -mtty-char -man -ww -P-bcou"
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if ($groff) </dev/null >/dev/null 2>&1; then
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$groff "$@"
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elif (type mandoc && type col) >/dev/null 2>&1; then
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mandoc $manflags -man "$@" | col -bx
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elif (type nroff && type perl) >/dev/null 2>&1; then
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printf '%s\n' '.
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.\" Left-adjust and do not hyphenate.
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.am TH
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.na
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.hy 0
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..
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.\" Omit internal page headers and footers.
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.\" Unfortunately this also omits the starting header and ending footer,
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.\" but that is the best old nroff can easily do.
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.rm }H
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.rm }F
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.' | nroff -man - "$@" | perl -ne '
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binmode STDIN, '\'':encoding(utf8)'\'';
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binmode STDOUT, '\'':encoding(utf8)'\'';
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chomp;
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s/.\010//g;
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s/\s*$//;
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if (/^$/) {
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$sawblank = 1;
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next;
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} else {
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if ($sawblank && $didprint) {
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print "\n";
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$sawblank = 0;
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}
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print "$_\n";
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$didprint = 1;
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}
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'
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else
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printf >&2 '%s\n' "$0: please install groff, or mandoc and col"
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exit 1
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fi
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