1: #!/usr/bin/perl
2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
4: # $Id: printout.pl,v 1.80 2005/05/03 22:22:47 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: use lib '/home/httpd/lib/perl';
30: use LONCAPA::loncgi;
31: use File::Path;
32: use IO::File;
33: use Image::Magick;
34: use Apache::lonhtmlcommon;
35: use Apache::lonnet;
36: use Apache::loncommon;
37: use Apache::lonlocal;
38: use Apache::lonmsg;
39: use LONCAPA::Enrollment;
40:
41: use strict;
42:
43: # Get the list of course coordinators authorized on this course:
44: #Parameters:
45: # id - Course id.
46: # dom - Domain of course.
47: #Returns:
48: # A (possibly empty) list of course coordinators. Each course coordinator
49: # is given as user:domain
50: #
51: sub get_cc_list {
52: my ($id, $dom) = @_;
53: my @personel = &Apache::lonnet::getkeys('nohist_userroles', $dom, $id);
54: my @coordinators;
55: foreach my $person (@personel) {
56: my @info = split(/:/, $person);
57: my $role = $info[0];
58: my $user = $info[1];
59: my $udom = $info[2];
60: if ($role eq 'cc') {
61: my $isactive = &LONCAPA::Enrollment::check_user_status($udom, $user, $dom, $id, 'cc');
62: if ($isactive eq 'ok') {
63: push @coordinators, $user.':'.$udom;
64: }
65: }
66: }
67: return (@coordinators);
68: }
69: #
70: # Determine if a user is operating as a student for this course/domain.
71: #
72: #
73: #Parameters:
74: # course - The course id.
75: # cdom - The course domain.
76: #
77: #Implicit:
78: # $env{request.role} contains the role under which this user operated this
79: # this request.
80: sub is_student {
81: my ($course, $cdom) = @_;
82: my $active_role = $env{'request.role'};
83: my @role_fields = split(/\//, $active_role);
84:
85:
86: if ( ($role_fields[0] eq 'st.') && ($role_fields[1] eq $cdom) &&
87: ($role_fields[2] eq $course)) {
88: return 1;
89: } else {
90: return 0;
91: }
92:
93:
94: }
95:
96: #
97: # Debugging: Dump the environment for debugging.
98: #
99: sub dumpenv {
100: print "<p>-------------------</p>";
101: foreach my $key (sort (keys %env)) {
102: print "<br />$key -> $env{$key}";
103: }
104: print "<p>-------------------</p>";
105: }
106:
107: #
108: # This sub sends a message to the appropriate person if there was an error
109: # rendering the latex At present, there's only one case to consider:
110: # a student printing inside a course results in messages to the course coordinator.
111: #Parmaeters:
112: # identifier - The unique identifier of this cgi request.
113: # logfile - The contents of the log file (included in the message).
114: # texfile - reference to an array containing the LaTeX input file
115: # (included in the message).
116: #Implicit inputs:
117: # From the environment:
118: # cgi.$identifier.user - User doing the printing.
119: # cgi.$identifier.domain - Domain the user is logged in on with printing.
120: # cgi.$identifier.courseid - Id of the course (if this is a course).
121: # cgi.$identifier.coursedom- Domain in which course was constituted.
122: # cgi.$identifier.resources - List of resource URL's for which the print
123: # was attempted.
124: #
125: sub send_error_mail {
126: my ($identifier,$logfile, $texfile) = @_;
127: my $user = $env{"cgi.$identifier.user"};
128: my $domain = $env{"cgi.$identifier.domain"};
129: my $courseid = $env{"cgi.$identifier.courseid"};
130: my $coursedom= $env{"cgi.$identifier.coursedom"};
131: my $resources= $env{"cgi.$identifier.resources"};
132:
133: # &dumpenv();
134:
135:
136:
137: # Only continue if there is a user, domain, courseid, course domain
138: # and resources:
139:
140: if(defined($user) && defined($domain) && defined($courseid) &&
141: defined($coursedom) && defined($resources) ){
142:
143: my @cclist = &get_cc_list($courseid, $coursedom);
144:
145: # Only mail if the conditions are ripe for it:
146: # The user is a student in the course:
147: #
148:
149: if (&is_student( $courseid, $coursedom)) {
150: # build the subject and message body:
151: print "sending message to course coordinators.<br />";
152:
153: my $subject = "Print failed for $user".'@'.$domain;
154: my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n";
155: $message .= " User was attempting to print: \n";
156: $message .= " $resources\n";
157: $message .= "--------------------LaTeX logfile:------------ \n";
158: $message .= $logfile;
159: $message .= "-----------------LaTeX source file: ------------\n";
160:
161: foreach my $line (@$texfile) {
162: $message .= "$line\n";
163: }
164: foreach my $dest (@cclist) {
165: my @destinfo = split(/:/,$dest);
166: my $user = $destinfo[0];
167: my $dom = $destinfo[1];
168:
169: &Apache::lonmsg::user_normal_msg($user, $dom,
170: $subject, $message);
171:
172: # No point in looking at the return status as there's no good
173: # error action I can think of right now (log maybe?).
174: }
175: }
176: }
177: }
178:
179: $|=1;
180: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
181: print <<END;
182: Content-type: text/html
183:
184: <html>
185: <head><title>Bad Cookie</title></head>
186: <body>
187: Your cookie information is incorrect.
188: </body>
189: </html>
190: END
191: return;
192: }
193: &Apache::lonlocal::get_language_handle();
194: &Apache::loncommon::content_type(undef,'text/html');
195: my $bodytag=&Apache::loncommon::bodytag('Creating PDF','','');
196: print $bodytag;
197:
198: my $identifier = $ENV{'QUERY_STRING'};
199: my $texfile = $env{'cgi.'.$identifier.'.file'};
200: my $laystyle = $env{'cgi.'.$identifier.'.layout'};
201: my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'};
202: my $paper = $env{'cgi.'.$identifier.'.paper'};
203: my $selectionmade = $env{'cgi.'.$identifier.'.selection'};
204: my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'};
205: my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'};
206: my $advanced_role = $env{'cgi.'.$identifier.'.role'};
207: my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1;
208: my $student_names = $env{'cgi.'.$identifier.'.studentnames'};
209: my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'});
210:
211:
212: my $adv = $env{'request.role.adv'};
213:
214: my @names_pack=();
215: if ($student_names=~/_END_/) {
216: @names_pack=split(/_ENDPERSON_/,$student_names);
217: }
218:
219: my $figfile = $texfile;
220: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
221: my $duefile = $texfile;
222: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
223: #do we have figures?
224: # print "Figure file: $figfile\n";
225: if (-e $figfile) {
226: # print "$figfile exists\n";
227: my %done_conversion;
228: my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile for reading: $!\n";
229: my @content_of_file = <$temporary_file>;
230: close $temporary_file;
231: my $noteps;
232: my %prog_state;
233: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); }
234: foreach my $not_eps (@content_of_file) {
235: chomp($not_eps);
236: if ($not_eps ne '') {
237: # print "Converting $not_eps"; # Debugging.
238: my $status_statement='EPS picture for '.$not_eps;
239: # print "$status_statement\n";
240: $not_eps=~s|\/\.\/|\/|g;
241: my $eps_f = $not_eps;
242: $eps_f =~ s/\.[^.]*$/\.eps/i;
243: if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
244: $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
245: $eps_f = '/home/httpd/prtspool/'.$eps_f;
246: } elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\//) {
247: $eps_f=~m/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/(.+)/;
248: $eps_f = '/home/httpd/prtspool/'.$1;
249: } elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\//) {
250: $eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/;
251: $eps_f = '/home/httpd/prtspool/'.$1.'/'.$2;
252: }
253: $eps_f =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX.
254: my $path=$eps_f;
255: $path =~ s/\/([^\/]+)\.eps$//;
256: # print "Final file path: $path "; # Debugging
257: File::Path::mkpath($path,0,0777);
258: $not_eps =~ s/^\s+//;
259: $not_eps =~ s/\s+$//;
260: $not_eps =~ s/ /\\ /g;
261: if ( exists($done_conversion{$not_eps})) { next; }
262: if ($adv) {
263: my $prettyname=$not_eps;
264: $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
265: $prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|;
266: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname);
267: }
268: $done_conversion{$not_eps}=1;
269: # print "Converting $not_eps -> $eps_f"; # Debugging
270: system("convert $not_eps $eps_f");
271: #check is eps exist in prtspool
272: if(not -e $eps_f) {
273: for (my $i=0;$i<10000;$i++) {
274: if (-e $eps_f.'.'.$i) {
275: rename $eps_f.'.'.$i, $eps_f;
276: last;
277: }
278: }
279: }
280: }
281: }
282: if ($adv) {
283: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
284: }
285: unlink($figfile);
286: }
287: #print "$texfile\n"; #name of the tex file for debugging only
288: my @texfile=($texfile);
289: if ($number_of_files>1) {
290: @texfile=();
291: for (my $i=1;$i<=$number_of_files;$i++) {
292: my $new_texfile=$texfile;
293: $new_texfile=~s/\.tex/_$i\.tex/;
294: push @texfile,$new_texfile;
295: }
296: }
297:
298: my $ind=-1;
299: my %prog_state;
300: print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />";
301: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); }
302: print "<br />";
303: foreach $texfile (@texfile) {
304: my $status_statement='';
305: my $link_text='download PDF';
306: $ind++;
307: my @stud_info=split(/_END_/,$names_pack[$ind]);
308: my @tempo_array=split(/:/,$stud_info[0]);
309: my $name;
310: if ($tempo_array[3]) {
311: $name=$tempo_array[3];
312: } else {
313: $name=$tempo_array[0].'@'.$tempo_array[1];
314: }
315: $link_text='<b>'.$name.'</b>';
316: $status_statement.=$name;
317: if ($#stud_info>0) {
318: @tempo_array=split(/:/,$stud_info[-1]);
319: if ($tempo_array[3]) {
320: $name=$tempo_array[3];
321: } else {
322: $name=$tempo_array[0].'@'.$tempo_array[1];
323: }
324: $link_text.=' - <b>'.$name.'</b>';
325: $status_statement.=' - '.$name;
326: }
327: if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); }
328: if (-e $texfile) {
329: $texfile =~ m/^(.*)\/([^\/]+)$/;
330: my $name_file = $2;
331: my $path_file = $1.'/';
332: chdir $path_file;
333: my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/;
334: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
335: "for $status_statement now LaTeXing file",
336: \%prog_state,$dvi_file);
337: if ($tableofcontents eq 'yes') {
338: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
339: "for $status_statement now LaTeXing file for table of contents",
340: \%prog_state,$dvi_file);
341: } #to create table of contents
342: my $idxname=$name_file;
343: $idxname=~s/\.tex$/\.idx/;
344: if ($tableofindex eq 'yes') {
345: &busy_wait_command("makeindex $idxname",
346: "making index file",
347: \%prog_state,$idxname);
348: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
349: "for $status_statement now LaTeXing file for index section",
350: \%prog_state,$dvi_file);
351: } #to create index
352: #Do we have a latex error in the log file?
353: my $logfilename = $texfile; $logfilename =~ s/\.tex$/\.log/;
354: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open log file $logfilename for reading: $!\n";
355: my @content_of_file = <$temporary_file>;
356: close $temporary_file;
357: my $body_log_file = join(' ',@content_of_file);
358: $logfilename =~ s/\.log$/\.html/;
359: $temporary_file = IO::File->new('>'.$logfilename);
360: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
361: if ($body_log_file=~m/!\s+Emergency stop/) {
362: #LaTeX failed to parse tex file
363: print "<h2>LaTeX could not successfully parse your tex file.</h2>";
364: print "It probably has errors in it.<br />";
365: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
366: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
367: if ($whereitbegins!=-1 and $whereitends!=-1) {
368: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
369: }
370: print "Here are the error messages in the LaTeX log file</br><br /><pre>";
371: my $sygnal = 0;
372: for (my $i=0;$i<=$#content_of_file;$i++) {
373: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
374: $sygnal = 1;
375: }
376: if ($content_of_file[$i]=~m/Here is how much of/) {
377: $sygnal = 0;
378: }
379: if ($sygnal) {
380: print "$content_of_file[$i]";
381: }
382: }
383: print "</pre>\n";
384: if ($advanced_role) {
385: print "<p> Advanced role </p>";
386: print "<b><big>The link to ";
387: $logfilename=~s/\/home\/httpd//;
388: print "<a href=\"$logfilename\">Your log file </a></big></b>";
389: print "\n";
390: #link tooriginal LaTeX file (included according Michael Hamlin desire)
391: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n";
392: my @tex_content_of_file = <$tex_temporary_file>;
393: close $tex_temporary_file;
394: my $body_tex_file = join(' ',@tex_content_of_file);
395: $texfile =~ s/\.tex$/aaaaa\.html/;
396: $tex_temporary_file = IO::File->new('>'.$texfile);
397: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
398: print "<br /><br />";
399: print "<b><big>The link to ";
400: $texfile=~s/\/home\/httpd//;
401: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
402: print "\n";
403: } else { # Student role...
404: # at this point:
405: # $body_log_file - contains the log file.
406: # $name_file - is the name of the LaTeX file.
407: # $identifier - is the unique LaTeX identifier.l
408:
409: my $tex_handle = IO::File->new($name_file);
410: my @tex_contents = <$tex_handle>;
411: &send_error_mail($identifier, $body_log_file, \@tex_contents);
412: }
413:
414: } elsif ($body_log_file=~m/<inserted text>/) {
415: my $whereitbegins = index $body_log_file,'<inserted text>';
416: print "You are running LaTeX in <b>batch mode</b>.";
417: while ($whereitbegins != -1) {
418: my $tempobegin=$whereitbegins;
419: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
420: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
421: print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n";
422: print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n";
423: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
424: }
425: $name_file =~ s/\.tex/\.dvi/;
426: my $new_name_file = $name_file;
427: $new_name_file =~ s/\.dvi/\.ps/;
428: my $papera=$paper;
429: if ($papera eq 'letter') {$papera='';}
430: if ($papera ne '') {$papera='-t'.$papera;}
431: my $comma = "dvips $papera -Ppdf -G0 -o $new_name_file";
432: &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
433: "for $status_statement now Converting to PS",
434: \%prog_state,$new_name_file);
435: if (-e $new_name_file) {
436: print "<h1>PDF output file (see link below)</h1>\n";
437: $new_name_file =~ m/^(.*)\./;
438: my $ps_file = my $tempo_file = $1.'temporar.ps';
439: my $pdf_file = $1.'.pdf';
440: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
441: $comma = "psnup -2 -s1.0 $new_name_file";
442: &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
443: "for $status_statement now Modifying PS layout",
444: \%prog_state,$tempo_file);
445: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
446: my $papera=$paper;
447: if ($papera eq 'letter') {$papera='';}
448: if ($papera ne '') {$papera='-p'.$papera;}
449: $comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"';
450: &busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null",
451: "for $status_statement now Modifying PS layout",
452: \%prog_state,$tempo_file);
453:
454: } else {
455: $ps_file=$new_name_file;
456: }
457: &busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null",
458: "for $status_statement now Converting PS to PDF",
459: \%prog_state, $pdf_file);
460:
461: my $texlog = $texfile;
462: my $texaux = $texfile;
463: my $texdvi = $texfile;
464: my $texps = $texfile;
465: $texlog =~ s/\.tex/\.log/;
466: $texaux =~ s/\.tex/\.aux/;
467: $texdvi =~ s/\.tex/\.dvi/;
468: $texps =~ s/\.tex/\.ps/;
469: my @garb = ($texaux,$texdvi,$texps);
470: # unlink @garb;
471: unlink $duefile;
472: print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>";
473: }
474: if ($advanced_role) {
475: print "<br /><br />";
476: print "<b><big>The link to ";
477: $logfilename=~s/\/home\/httpd//;
478: print "<a href=\"$logfilename\">Your log file </a></big></b>";
479: print "\n";
480: #link tooriginal LaTeX file (included according Michael Hamlin desire)
481: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n";
482: my @tex_content_of_file = <$tex_temporary_file>;
483: close $tex_temporary_file;
484: my $body_tex_file = join(' ',@tex_content_of_file);
485: $texfile =~ s/\.tex$/aaaaa\.html/;
486: $tex_temporary_file = IO::File->new('>'.$texfile);
487: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
488: print "<br /><br />";
489: print "<b><big>The link to ";
490: $texfile=~s/\/home\/httpd//;
491: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
492: print "\n";
493: }
494: } else {
495: #LaTeX successfully parsed tex file
496: $name_file =~ s/\.tex/\.dvi/;
497: my $new_name_file = $name_file;
498: $new_name_file =~ s/\.dvi/\.ps/;
499: my $papera=$paper;
500: if ($papera eq 'letter') {$papera='';}
501: if ($papera ne '') {$papera='-t'.$papera;}
502: my $comma = "dvips $papera -Ppdf -G0 -o $new_name_file";
503: &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
504: "for $status_statement now Converting to PS",
505: \%prog_state,$new_name_file);
506: if (-e $new_name_file) {
507: print "<br />";
508: $new_name_file =~ m/^(.*)\./;
509: my $ps_file = my $tempo_file = $1.'temporar.ps';
510: my $pdf_file = $1.'.pdf';
511: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
512: $comma = "psnup -2 -s1.0 $new_name_file";
513: &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
514: "for $status_statement now Modifying PS layout",
515: \%prog_state,$tempo_file);
516: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
517: $papera=~s/t/p/;
518: $comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"';
519: &busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null",
520: "for $status_statement now Modifying PS layout",
521: \%prog_state,$tempo_file);
522: } else {
523: $ps_file=$new_name_file;
524: }
525: my $addtoPSfile={'legal'=>'<< /PageSize [612 1008] >> setpagedevice',
526: 'tabloid'=>'<< /PageSize [792 1224] >> setpagedevice',
527: 'executive'=>,'<< /PageSize [540 720] >> setpagedevice',
528: 'a2'=>'<< /PageSize [1195.02 1690.09] >> setpagedevice',
529: 'a3'=>'<< /PageSize [842 1195.02] >> setpagedevice',
530: 'a4'=>'<< /PageSize [595.2 842] >> setpagedevice',
531: 'a5'=>'<< /PageSize [421.1 595.2] >> setpagedevice',
532: 'a6'=>'<< /PageSize [298.75 421.1] >> setpagedevice',
533: };
534: if ($paper ne 'letter') {
535: open(FFH,'<',$ps_file) || die "Couldn't open ps file $ps_file for reading: $!\n";
536: my $new_ps_file='new'.$ps_file;
537: open(FFHS,'>',$new_ps_file) || die "Couldn't open new ps file $new_ps_file for reading: $!\n";
538: print FFHS $addtoPSfile->{$paper}."\n";
539: while (<FFH>) {
540: print FFHS $_;
541: }
542: close(FFH);
543: close(FFHS);
544: $ps_file=$new_ps_file;
545: }
546: &busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null",
547: "for $status_statement now Converting PS to PDF",
548: \%prog_state,$pdf_file);
549:
550: my $texlog = $texfile;
551: my $texaux = $texfile;
552: my $texdvi = $texfile;
553: my $texps = $texfile;
554: $texlog =~ s/\.tex/\.log/;
555: $texaux =~ s/\.tex/\.aux/;
556: $texdvi =~ s/\.tex/\.dvi/;
557: $texps =~ s/\.tex/\.ps/;
558: my @garb = ($texlog,$texaux,$texdvi,$texps);
559: # unlink @garb;
560: unlink $duefile;
561: print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>";
562: print "\n";
563: }
564: }
565: } else {
566: print "LaTeX file $texfile was not created successfully";
567: }
568: }
569: print "<br />";
570: if ($number_of_files>1) {
571: my $zipfile=$texfile[0];
572: $zipfile=~s/\.tex/\.zip/;
573: my $statement="zip $zipfile";
574: foreach my $file (@texfile) {
575: $file=~s/\.tex/.\pdf/;
576: $statement.=' '.$file;
577: }
578: print("<pre>Zip Output:\n");
579: system($statement);
580: print("</pre>");
581: $zipfile=~s/\/home\/httpd//;
582: print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs.";
583: }
584: if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
585:
586: my $done;
587: sub REAPER {
588: $done=1;
589: }
590:
591: sub busy_wait_command {
592: my ($command,$message,$progress_win,$output_file)=@_;
593:
594: $SIG{CHLD} = \&REAPER;
595: $done=0;
596: my $pid=open(CMD,"$command |");
597: if ($adv) {
598: &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message);
599: }
600: while(!$done) {
601: sleep 1;
602: my $extra_msg;
603: if ($output_file) {
604: my $size=(stat($output_file))[7];
605: $extra_msg=", $size bytes generated";
606: }
607: if ($adv) {
608: &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,
609: $message.$extra_msg);
610: }
611: }
612: $SIG{CHLD}='IGNORE';
613: close(CMD);
614: }
615:
616:
617:
618:
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