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Rdindex.in
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Rdindex.in
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#! @PERL@
# Extract R object INDEX information from Rd files.
# Usage: Rdindex [-l x] [-r y] file_1 ... file_n
# The titles are nicely formatted between the columns x and y (defaults
# are 25 and 72, respectively).
# Copyright (C) 1997-2000 Kurt Hornik and Fritz Leisch
#
# This document is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# A copy of the GNU General Public License is available via WWW at
# http://www.gnu.org/copyleft/gpl.html. You can also obtain it by
# writing to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA.
use Getopt::Long;
my $revision = ' $Revision: 1.6 $ ';
my $version;
my $name;
$revision =~ / ([\d\.]*) /;
$version = $1;
($name = $0) =~ s|.*/||;
sub version {
print STDERR <<END;
Rdindex $version
Copyright (C) 1997-2000 Kurt Hornik and Fritz Leisch
This is free software; see the GNU General Public Licence version 2
or later for copying conditions. There is NO warranty.
END
exit 0;
}
sub usage {
print STDERR <<END;
Usage: R CMD Rdindex [options] FILES
Create an index table from FILES in R documentation format. The titles
are nicely formatted between two column positions (defaults are 25 and
72, respectively).
Options:
-h, --help print short help message and exit
-v, --version print version info and exit
-l, --left=X make X the left column for title formatting
-r, --right=Y make Y the right column for title formatting
Email bug reports to <r-bugs\@lists.r-project.org>.
END
exit 0;
}
GetOptions(("h|help", "v|version", "l|left=s","r|right=s")) || &usage();
&version() if $opt_v;
&usage() if $opt_h;
$opt_l = 25 unless $opt_l;
$opt_r = 72 unless $opt_r;
my $l1 = $opt_l - 2;
my $l2 = $opt_r - $opt_l;
my $cmd = "format short =\n";
$cmd .= "@" . rep("<", $l1) . " ^" . rep("<", $l2) . "\n";
$cmd .= "\$name, \$desc\n";
$cmd .= ".\n";
eval($cmd);
$cmd = "format long =\n";
$cmd .= "@" . rep("<", $opt_r) . "\n";
$cmd .= "\$name\n";
$cmd .= ".\n";
eval($cmd);
$cmd = "format cont =\n";
$cmd .= "~" . rep(" ", $l1) . " ^" . rep("<", $l2) . "\n";
$cmd .= "\$desc\n";
$cmd .= ".\n";
eval($cmd);
undef $/;
foreach $file (@ARGV) {
if (!open(FILE, $file)) {
print STDERR "File $file not found\n";
}
else {
$_ = <FILE>;
m/\\name\{([^\}]*)\}/;
$name = $1;
$l = length($name);
if($l <= $l1){
$~ = short;
}
else{
$~ = long;
}
/\\title\{\s*([^\}]+)\s*\}/s;
$desc = $1;
write;
$~ = cont;
while($desc){
write;
}
}
}
sub rep {
my $retval = "";
for($k=0;$k<$_[1];$k++){
$retval .= $_[0];
}
$retval;
}
### Local Variables: ***
### mode: perl ***
### perl-indent-level: 4 ***
### End: ***