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Add a signal handler to clean up files if an INT, HUP, or QUIT

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is received.
This commit is contained in:
John Fieber 1996-09-29 19:42:51 +00:00
parent 5d98ce7598
commit ac82fcdd23
1 changed files with 32 additions and 1 deletions
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33
usr.bin/sgmlfmt/sgmlfmt.pl
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@ -1,6 +1,6 @@
#!/usr/bin/perl
# $Id: sgmlfmt.pl,v 1.13 1996/09/29 17:34:05 jfieber Exp $
# $Id: sgmlfmt.pl,v 1.14 1996/09/29 18:27:12 jfieber Exp $
# Copyright (C) 1996
# John R. Fieber. All rights reserved.
@ -50,6 +50,30 @@ $dtdbase = "/usr/share/sgml/FreeBSD";
$dtd = "$dtdbase/linuxdoc.dtd";
$decl = "$dtdbase/linuxdoc.dcl";
#
# Things to clean up if we exit abnormally
#
@cleanfiles = ();
#
# Interrupt handler, remove scratch files.
#
sub sighandler {
local($sig) = @_;
unlink @cleanfiles;
exit(1);
}
$SIG{'HUP'} = 'sighandler';
$SIG{'INT'} = 'sighandler';
$SIG{'QUIT'} = 'sighandler';
#
# Display a usage message.
#
sub usage {
print "Usage:\n";
print "sgmlfmt -f <format> [-i <namea> ...] [-links] [-ssi] file\n";
@ -105,6 +129,7 @@ sub sgmlparse {
#
sub gen_roff {
@cleanfiles = (@cleanfiles, "${fileroot}.roff");
open (outfile, ">$fileroot.roff");
&sgmlparse(infile, "roff");
while (<infile>) {
@ -120,6 +145,8 @@ sub gen_roff {
sub do_groff {
local($driver, $postproc) = @_;
@cleanfiles = (@cleanfiles, "${fileroot}.trf", "${fileroot}.tmp",
"${fileroot}.qrf", "${fileroot}.${driver}");
open (outfile, ">$fileroot.trf");
&sgmlparse(infile, "roff");
while (<infile>) {
@ -144,6 +171,7 @@ sub do_groff {
#
sub gen_latex {
@cleanfiles = (@cleanfiles, "${fileroot}.latex");
open(outfile, ">$fileroot.latex");
&sgmlparse(infile, "latex");
while (<infile>) {
@ -205,6 +233,8 @@ sub gen_html {
local($i, $sl);
$tmpfile = "/tmp/sgmlf.$$";
@cleanfiles = (@cleanfiles, "$tmpfile", "${fileroot}.html",
"${fileroot}_toc.html", "${fileroot}.ln");
open(bar, ">$tmpfile");
# print STDERR "(Pass 1...";
&sgmlparse(foo, "html");
@ -237,6 +267,7 @@ sub gen_html {
if ($sl <= $maxlevel) {
$filecount++;
$st_ol[$sc] = $sl;
@cleanfiles = (@cleanfiles, "${fileroot}${filecount}.html");
}
else {
$st_ol[$sc] = $maxlevel;