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251 lines
7.1 KiB
251 lines
7.1 KiB
15 years ago
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#! /usr/bin/env perl
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# kdemangen.pl
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# Copyright (C) 2003 Dominique Devriese <devriese@kde.org>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# Here's a little explanation about this script:
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# In order to fix long-standing Debian bug #116485, I've written a
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# script that takes a KDE app, and generates a nice man page.. It uses
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# the app's "--author" and "--help-all" output, along with a description
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# from Debian's control file to get the data. I think the script works
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# great, the man pages look almost hand-written ;) I encourage you all
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# to try this out, and very much welcome any feedback, especially as to
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# how to integrate this into either the Debian KDE packaging system or
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# the KDE build system..
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# The idea to do this with a script allows us to easily keep the man
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# pages up to date, and is generally very low-trouble for the
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# developer...
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# The script is attached at the bottom..
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# USAGE:
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# Suppose you wanted to generate a man page for the KDE-Edu program
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# kalzium.. Then you would
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# 1 cd to /path/to/kde/srcs/kdeedu/debian ( necessary so the script
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# finds the Debian control file.. )
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# 2 run "/path/to/kdemangen.pl $(which kstars) > kstars.1"
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# 3 run "man ./kstars.1" to check out the generated page..
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# PROBLEMS:
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# Only works for full KDE applications that use KCmdLineArgs (
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# inherent to my approach, but most KDE apps fulfill this requirement
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# )
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use warnings;
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use strict;
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sub optionstonroff
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{
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my $options = shift;
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my $ret = "";
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foreach( split /\n/, $options )
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{
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if( /^ (--?[[:alpha:]]+, )?(--[[:alpha:]-]*|-[[:alpha:]])( <[[:alpha:] ]*>| [[:alpha:]]*)? *(.*)$/ )
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{
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my $short;
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my $long;
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my $arg;
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my $desc;
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if( $1 ) { $short = $1; } else { $short = ""; };
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if( $2 ) { $long = $2; } else { $long = ""; };
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if( $3 ) { $arg = $3; } else { $arg = ""; };
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if( $4 ) { $desc = $4; } else { $desc = ""; };
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$short =~ s/-/\\-/g;
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$long =~ s/-/\\-/g;
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$arg =~ s/-/\\-/g;
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$ret .= ".TP\n";
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$ret .= ".B $short $long $arg\n";
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$ret .= "$desc\n";
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}
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elsif( /^ ([[:alpha:]]+) +(.*)$/ )
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{
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$ret .= ".TP\n";
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$ret .= ".B $1\n";
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$ret .= "$2\n";
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}
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elsif( /^ +(.*)$/ )
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{
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$ret .= "$1\n";
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}
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elsif( /^(.*)$/ )
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{
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$ret .= ".SS $1\n";
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# this means a header like "Qt Options:" I'm wondering
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# what to do with this, I don't know enough nroff to
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# format it nicely, I'm affraid..
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}
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}
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return $ret;
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};
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sub sortoptionsfromnroff {
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# Zack Cerza
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# Rather than redo Dominique's optionstonroff(), I decided
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# to make this function to sort the options sections created
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# by his function.
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# What it does is read line-by-line and first determine which
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# section it's looking at via the ".SS <SECTION>" lines. Once
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# it knows, it sets a "$in_<SECTION>" variable to "1" and
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# begins to write the section data into $<SECTION>. When it
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# gets to a line that contains only ".SS ", it sets
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# $in_<SECTION> to "0" and continues.
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# It's a little messy, but it's the only way I could
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# get it to work with what little knowledge I had.
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# This is the first time I've used Perl. Be kind.
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my $options = shift;
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my $ret="";
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my $in_gen_opts = "0";
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my $gen_opts = "";
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my $in_qt_opts = "0";
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my $qt_opts = "";
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my $in_kde_opts = "0";
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my $kde_opts = "";
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my $in_opts = "0";
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my $opts = "";
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my $in_args = "0";
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my $args = "";
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foreach ( split /\n/, $options ) {
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if( $in_gen_opts == "1" ) {
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if( /^(\.SS )$/ ) { $in_gen_opts = "0"; }
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$gen_opts .= $_;
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$gen_opts .= "\n";
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}
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if( /^(\.SS.+Generic options:)$/ )
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{ $in_gen_opts = "1"; $gen_opts .= $1; $gen_opts .= "\n"; }
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if( $in_qt_opts == "1" ) {
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if( /^(\.SS )$/ ) { $in_qt_opts = "0"; }
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$qt_opts .= $_;
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$qt_opts .= "\n";
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}
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if( /^(\.SS.+Qt options:)$/ )
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{ $in_qt_opts = "1"; $qt_opts .= $1; $qt_opts .= "\n"; }
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if( $in_kde_opts == "1" ) {
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if( /^(\.SS )$/ ) { $in_kde_opts = "0"; }
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$kde_opts .= $_;
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$kde_opts .= "\n";
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}
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if( /^(\.SS.+KDE options:)$/ )
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{ $in_kde_opts = "1"; $kde_opts .= $1; $kde_opts .= "\n"; }
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if( $in_opts == "1" ) {
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if( /^(\.SS )$/ ) { $in_opts = "0"; }
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$opts .= $_;
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$opts .= "\n";
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}
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if( /^(\.SS.+Options:)$/ )
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{ $in_opts = "1"; $opts .= $1; $opts .= "\n"; }
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if( $in_args == "1" ) {
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if( /^(\.SS )$/ ) { $in_args = "0"; }
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$args .= $_;
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$args .= "\n";
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}
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if( /^(\.SS.+Arguments:)$/ )
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{ $in_args = "1"; $args .= ".SS\n"; $args .= $1; $args .= "\n"; }
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}
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$ret .= $args;
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$ret .= $opts;
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$ret .= $gen_opts;
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$ret .= $kde_opts;
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$ret .= $qt_opts;
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return $ret;
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};
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sub usage
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{
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print "This script generates a nice manual page for a KDE app which uses KCmdLineArgs..\n";
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print "USAGE: $0 app\n";
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print "There's more information about how to use this script in the comments at the front of the source..\n"
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};
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if( $#ARGV < 0 ){
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usage();
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exit 1;
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}
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my $runapp = "$ARGV[0]";
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if ( ! -x $runapp )
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{
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print "Error: $runapp is not executable.\n";
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exit 1;
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}
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else { $runapp = "KDE_LANG=en_US $runapp"; };
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my $shortdescription = `$runapp --help | sed -ne '3p'`;
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chomp $shortdescription;
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my $synopsis = `$runapp --help | sed -n '1p' | sed -e 's/[^:]*: //'`;
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chomp $synopsis;
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$synopsis =~ s/-/\\-/g;
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my $appname = $synopsis;
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$appname =~ s/ .*$//;
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my $ucappname = uc $appname;
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my $options = `$runapp --help-all | sed -e '1,4d'`;
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$options = optionstonroff( $options );
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$options = sortoptionsfromnroff( $options );
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my $timespec = ucfirst `date '+%b %G'`;
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chomp $timespec;
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my $description = $shortdescription;
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if( -r "control" )
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{
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$description = `cat control | sed -ne '/^Description:/,/^\$/p' | egrep -v '^\\w*:.*\$' | sed -e 's/^ //' | sed -e 's/^\\.//'`;
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# leads to problems in some cases :(
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# $description =~ s/KDE ?/\n.SM KDE\n/g;
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}
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my $authors = `$runapp --author | sed -ne '2,\$p' | sed -e '\$d' | sed -e 's/^ *//'`;
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$authors =~ s/\n/\n.br\n/g;
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print <<EOF;
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.\\\" This file was generated by kdemangen.pl
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.TH $ucappname 1 \"$timespec\" \"K Desktop Environment\" \"$shortdescription\"
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.SH NAME
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$appname
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\\- $shortdescription
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.SH SYNOPSIS
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$synopsis
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.SH DESCRIPTION
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$description
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.SH OPTIONS
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$options
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.SH SEE ALSO
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Full user documentation is available through the KDE Help Center. You can also enter the URL
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.BR help:/$appname/
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directly into konqueror or you can run
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.BR "`khelpcenter help:/$appname/'"
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from the command-line.
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.br
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.SH AUTHORS
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.nf
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$authors
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EOF
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