--- loncom/interface/lonprintout.pm 2002/02/21 04:12:16 1.14 +++ loncom/interface/lonprintout.pm 2002/09/23 21:09:58 1.74 @@ -1,7 +1,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.14 2002/02/21 04:12:16 albertel Exp $ +# $Id: lonprintout.pm,v 1.74 2002/09/23 21:09:58 sakharuk Exp $ # # Copyright Michigan State University Board of Trustees # @@ -43,11 +43,18 @@ use strict; use Apache::Constants qw(:common :http); use Apache::lonxml; use Apache::lonnet; +use Apache::loncommon; use Apache::inputtags; +use Apache::grades; use Apache::edit; use Apache::File(); +use Apache::lonnavmaps; +use POSIX qw(strftime); +use GDBM_File; +my %hash; + sub headerform { my $r = shift; @@ -58,20 +65,263 @@ sub headerform {
-

Printout:



ENDHEADER + if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { + $r->print(<Path to current document: $ENV{'form.postdata'}

+ENDHEADER1 +} } sub menu_for_output { my $r = shift; - $r->print(<print(<What do you want to print? Make a choice.
- Standard LaTeX output for current document
- Standard LaTeX output for the primary sequence
- Standard LaTeX output for the top level sequence
- + Current document $title_for_single_resource +(prints what you just saw on the screen)
+ENDMENUOUT1 + if ((not $ENV{'request.role'}=~m/^au\./) and (not $ENV{'request.role'}=~m/^ca\./)) { + $r->print(< All problems from $title_for_sequence
+ All problems plus any pages or html/xml files from $title_for_sequence
+ENDMENUOUT2 + } + if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { + $r->print(< All problems in this course (warning: this may be time consuming)
+
+ All problems from $title_for_sequence for selected students

+ENDMENUOUT6 + } + my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); + $subdirtoprint =~ s/\/[^\/]+$//; + if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') { + $r->print(< Problems from current subdirectory $subdir_to_print
+ENDMENUOUT4 + } + $r->print(<


+

And what page format do you prefer?

+ + + + + + + +
+ Landscape
+ Portrait
+ 		  + Number of columns: + + Paper size (format [width x height]): +
+
+ +ENDMENUOUT5 +} + + +sub problem_choice_menu { + my $r = shift; + my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); + $subdirtoprint =~ s/\/[^\/]+$//; + my @list_of_files = (); + if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { + $subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//; + } else { + $subdirtoprint =~ s/.*(\/res\/)/$1/; + } + my @content_directory = (); + if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { + @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},''); + } else { + @content_directory = &Apache::lonnet::dirlist($subdirtoprint); + } + for (my $iy=0;$iy<=$#content_directory;$iy++) { + my @tempo_array = split(/&/,$content_directory[$iy]); + if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) { + push(@list_of_files,$tempo_array[0]); + } + } + $subdirtoprint =~ s/\/$//; + for (my $i=0;$i<=$#list_of_files;$i++) { + $list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i]; + } + $r->print(< + + + +

Mark problems which you want to print

+ +  + +

+ENDMENUOUT1 + my $i; + foreach my $file (@list_of_files) { + $r->print('
'. + $file); + $i++; + } + $r->print(< + + + +ENDMENUOUT2 +} + + +sub additional_class_menu { + my $r = shift; + $r->print(< + + + +

Mark students which assignments you want to print

+ENDMENUOUT1 + my %courselist=&Apache::lonnet::dump( + 'classlist', + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + my $now=time; + $r->print(< + function checkall() { + for (i=0; i +  + +  + +

+ENDDISHEADER + my $i = 0; + foreach (sort keys %courselist) { + my ($end,$start)=split(/\:/,$courselist{$_}); + my $active=1; + if (($end) && ($now>$end)) { $active=0; } + if ($active) { + my ($sname,$sdom)=split(/\:/,$_); + my %reply=&Apache::lonnet::get('environment', + ['firstname','middlename','lastname','generation'], + $sdom,$sname); + my $section=&Apache::lonnet::usection + ($sdom,$sname,$ENV{'request.course.id'}); + $r->print( + '
'. + $reply{'firstname'}.' '. + $reply{'middlename'}.' '. + $reply{'lastname'}.' '. + $reply{'generation'}. + ' ('.$_.') '.$section); + $i++; + } + } + $r->print(< + + + +ENDMENUOUT2 +} + + +sub additional_print_menu { + my $r = shift; + my $what_to_print = ''; + for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) { + $what_to_print .= ''; + } + for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) { + $what_to_print .= ''; + } + $r->print(< + + + + + +Define one column layout parameters:
+Width:
+Height:
+Left margin:
+ + @@ -91,256 +341,832 @@ sub output_data { ENDPART my $choice = $ENV{'form.choice'}; + my $layout = $ENV{'form.layout'}; + my $numberofcolumns = $ENV{'form.numberofcolumns'}; + my $papersize = $ENV{'form.papersize'}; + my $laystyle = 'book'; my $result = ''; - my %mystyle; - my $filename; - + my $number_of_columns = 1; #used only for pages to determine the width of the cell + my $selectionmade = ''; + if ($choice eq 'Standard LaTeX output for current document') { + #-- single document - problem, page, html, xml + $selectionmade = 1; my %moreenv; - my $currequest=$ENV{'request.filename'}; $moreenv{'form.grade_target'}='tex'; + if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { + $ENV{'form.url'}=~s/http:\/\/[^\/]+//; + } $moreenv{'request.filename'}=$ENV{'form.url'}; &Apache::lonnet::appenv(%moreenv); my $texversion=&Apache::lonnet::ssi($ENV{'form.url'}); &Apache::lonnet::delenv('form.grade_target'); - %moreenv = (); - $moreenv{'request.filename'}=$currequest; - &Apache::lonnet::appenv(%moreenv); - $texversion =~ s!\.gif!\.eps!; $result .= $texversion; - } elsif ($choice eq 'Standard LaTeX output for the primary sequence') { - my @master_seq = (); - my $keyword = 0; - my $output_seq = ''; - my $current_file = '/res/'.$ENV{'request.ambiguous'}; - $current_file =~ s/(\/res\/physnet\/physnet)(\/m\d+)\/(.*)/$1$2$2\.sequence/; - while ($current_file ne '') { - my $file=&Apache::lonnet::filelocation("",$current_file); - my $filecontents=&Apache::lonnet::getfile($file); - my @file_seq = &content_map($filecontents); - if (defined @file_seq) { -#-- adding an additional array to the master one - if (defined @master_seq) { - my $old_value = $#master_seq; - my $total_value = $#master_seq + $#file_seq +2; - for (my $j=0; $j<=$old_value-$keyword+1; $j++) { - $master_seq[$total_value-$j] = $master_seq[$old_value-$j]; - } - for (my $j=0; $j<=$#file_seq; $j++){ - $master_seq[$keyword+$j] = $file_seq[$j]; + if ($ENV{'form.url'}=~m/\.page\s*$/) { + ($result,$number_of_columns) = &page_cleanup($result); + } + } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or + $choice eq 'Standard LaTeX output for whole primary sequence') { + #-- minimal sequence to which the current document belongs + #-- where is the primary sequence containing file? + my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); + my @sequence = split('___',$symbolic); + my $primary_sequence = '/res/'.$sequence[0]; + my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]); + #-- produce an output string + my $flag_latex_header_remove = 'NO'; + my $flag_page_in_sequence = 'NO'; + for (my $i=0;$i<=$#master_seq;$i++) { + my ($urlp,$symb) = split /&&/, $master_seq[$i]; + if ($choice eq 'Standard LaTeX output for the primary sequence') { + #prints only problems + $selectionmade = 2; + if ($urlp =~ m/\.(problem|exam|quiz|assess|survey|form|library)/) { + my %moreenv; + $moreenv{'form.grade_target'}='tex'; + &Apache::lonnet::appenv(%moreenv); + &Apache::lonnet::logthis("Trying to get $urlp with symb $symb"); + my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb)); + &Apache::lonnet::delenv('form.grade_target'); + if ($flag_latex_header_remove ne 'NO') { + $texversion = &latex_header_footer_remove($texversion); + } else { + $texversion =~ s/\\end{document}//; } - @file_seq = (); - $keyword = 0; + $result .= $texversion; + $flag_latex_header_remove = 'YES'; + } + } elsif ($urlp =~ /\S+/) { + #prints problems, pages and any html/xml files + $selectionmade = 3; + my %moreenv; + $moreenv{'form.grade_target'}='tex'; + &Apache::lonnet::appenv(%moreenv); + my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb)); + &Apache::lonnet::delenv('form.grade_target'); + if ($urlp =~ m/\.page/) { + ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); + if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} + $texversion =~ s/\\end{document}\d*/\\end{document}/; + $flag_page_in_sequence = 'YES'; + } + if ($flag_latex_header_remove ne 'NO') { + $texversion = &latex_header_footer_remove($texversion); } else { - @master_seq = @file_seq; - @file_seq = (); + $texversion =~ s/\\end{document}//; } - } -#-- checking wether .sequence file is among the set of files - $current_file = ''; - for (my $i=0; $i<=$#file_seq; $i++) { - $_ = $file_seq[$i]; - if (m/(.*)\.sequence/) { - $current_file = $_; - $keyword = $i; - last; + $result .= $texversion; + $flag_latex_header_remove = 'YES'; + } + } + if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} + $result .= '\end{document}'; + } elsif ($choice eq 'Standard LaTeX output for the top level sequence') { + # where is the main sequence of the course? + $selectionmade = 4; + my $main_seq = '/res/'.$ENV{'request.course.uri'}; + my @file_seq = &coming_from_hash_whole($main_seq); + my $flag_latex_header_remove = 'NO'; + #-- produce an output string + for (my $i=0;$i<=$#file_seq;$i++) { + my ($urlp,$symb) = split /&&/, $file_seq[$i]; + $urlp=~s/\/home\/httpd\/html//; + if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) { + my %moreenv; + $moreenv{'form.grade_target'}='tex'; + &Apache::lonnet::appenv(%moreenv); + my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb)); + &Apache::lonnet::delenv('form.grade_target'); + if ($flag_latex_header_remove ne 'NO') { + $texversion = &latex_header_footer_remove($texversion); + } else { + $texversion =~ s/\\end{document}//; } - } + $result .= $texversion; + $flag_latex_header_remove = 'YES'; + } + } + $result .= '\end{document}'; + } elsif ($choice eq 'All class print') { + #-- prints assignments for whole class or for selected students + $selectionmade = 5; + my @students = (); + for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) { + if ($ENV{'form.whomtoprint'.$i}=~/:/) { + push @students,$ENV{'form.whomtoprint'.$i}; + } } -#-- produce an output string - for (my $i=0;$i<=$#master_seq;$i++) { - $_ = $master_seq[$i]; - m/\"(.*)\"/; - if (index($1,'-tc.xml',0)==-1) { - my $file=&Apache::lonnet::filelocation("",$1); - my $filecontents=&Apache::lonnet::getfile($file); - $output_seq .= $filecontents; + #where is the primary sequence containing current resource (the same for all students)? + my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); + my @sequence = split('___',$symbolic); + my $primary_sequence = '/res/'.$sequence[0]; + my @master_seq = &coming_from_hash($primary_sequence,$sequence[0); + #loop over students + my $flag_latex_header_remove = 'NO'; + foreach my $person (@students) { + my $current_output = ''; + my ($usersection,$username,$userdomain) = split /:/,$person; + my $fullname = &Apache::grades::get_fullname($username,$userdomain); + #goes through all resources, checks if they are available for current student, and produces output + foreach my $curresline (@master_seq) { + my ($curres,$symb) = split /&&/, $curresline; + if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) { + my ($map,$id,$res_url) = split(/___/,$symb); + if (&Apache::lonnet::allowed('bre',$res_url)) { + my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain, + $ENV{'request.course.id'},'tex'); + if ($flag_latex_header_remove eq 'YES') { + $rendered = &latex_header_footer_remove($rendered); + } else { + $rendered =~ s/\\end{document}//; + } + $current_output .= $rendered; + } + $flag_latex_header_remove = 'YES'; + } + } + if ($current_output=~/\\documentclass/) { + $current_output =~ s/\\begin{document}/\\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$fullname}}\\hskip 1\.4in } \\vskip 5 mm /; + } else { + $current_output = '\\vskip 3mm\noindent\parbox{\minipagewidth}{\noindent\fbox{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output; } + $result .= $current_output; } -#-- cleanup of output string (temporary cbi-specific) - $output_seq =~ s///g; - $output_seq =~ s/<\/physnet>//g; - $output_seq = ''.$output_seq.' '; -#-- final accord - $result = &Apache::lonxml::xmlparse('tex',$output_seq,'',%mystyle); - } elsif ($choice eq 'Standard LaTeX output for the top level sequence') { - -#-- where is the main sequence of the course? - - my @master_seq = (); - my $keyword = 0; - my $output_seq = ''; - - my $main_seq = '/res/'.$ENV{'request.course.uri'}; - my $file=&Apache::lonnet::filelocation("",$main_seq); - my $filecontents=&Apache::lonnet::getfile($file); - my @file_seq = &content_map($filecontents); - -#-- temporary solution (without sequence inside sequence) - have to be generalized - - - - -# if (defined @master_seq) { -# my $old_value = $#master_seq; -# my $total_value = $#master_seq + $#file_seq +2; -# for (my $j=0; $j<=$old_value-$keyword+1; $j++) { -# $master_seq[$total_value-$j] = $master_seq[$old_value-$j]; -# } -# for (my $j=0; $j<=$#file_seq; $j++){ -# $master_seq[$keyword+$j] = $file_seq[$j]; -# } -# @file_seq = (); -# $keyword = 0; -# } else { - @master_seq = @file_seq; -# @file_seq = (); -# } - -#-- checking wether .sequence file is among the set of files -# my $current_file = ''; -# for (my $i=0; $i<=$#file_seq; $i++) { -# $_ = $file_seq[$i]; -# if (m/(.*)\.sequence/) { -# $current_file = $_; -# $keyword = $i; -# last; -# } -# } - -#-- produce an output string - for (my $i=0;$i<=$#master_seq;$i++) { - $_ = $master_seq[$i]; - m/\"(.*)\"/; - $_ = $1; - my $urlp = $1; - if (/\.problem/) { + $result .= '\end{document}'; + } elsif ($choice eq 'Subdirectory print') { + #prints selected problems from the subdirectory + $selectionmade = 6; + my @list_of_files = (); + for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) { + if ($ENV{'form.whattoprint'.$i}=~/^\//) { + push @list_of_files,$ENV{'form.whattoprint'.$i}; + } + } + my $flag_latex_header_remove = 'NO'; + for (my $i=0;$i<=$#list_of_files;$i++) { + my $urlp = $list_of_files[$i]; + if ($urlp=~/\//) { my %moreenv; $moreenv{'form.grade_target'}='tex'; &Apache::lonnet::appenv(%moreenv); + if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { + $urlp =~ s/\/home\/([^\/]*)\/public_html/\/~$1/; + } my $texversion=&Apache::lonnet::ssi($urlp); &Apache::lonnet::delenv('form.grade_target'); - $texversion =~ s!\.gif!\.eps!; - $result .= $texversion; + $texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/; + if ($flag_latex_header_remove ne 'NO') { + $texversion = &latex_header_footer_remove($texversion); + } else { + $texversion =~ s/\\end{document}//; + } + $result .= $texversion; } + $flag_latex_header_remove = 'YES'; } -#-- additional cleanup for output - my $first_app = index($result,'\documentclass',0); - $first_app = index($result,'\documentclass',$first_app+5); - while ($first_app != -1) { - my $second_app = index($result,'begin{document}',$first_app); - $first_app = rindex($result,'\end{document}',$first_app); - substr($result,$first_app,$second_app-$first_app+15) = '\vskip 7 mm'; - $first_app = index($result,'\documentclass',$first_app+5); + $result .= '\end{document}'; + } +#-------------------------------------------------------- corrections for the different page formats +# my ($textwidth,$textheight,$offset) = (0,0,0); +# if ($papersize=~/Letter/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/Legal/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/Ledger/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/Executive/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/A4/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/A3/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/A2/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/A5/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# } elsif($papersize=~/A6/) { +# $textwidth = ; +# $textheight = ; +# $offset = ; +# +# +# +# +# +# +# +# +# +# +# } + + if ($layout eq 'CBI' and $numberofcolumns eq '1') { + $result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/; + $result =~ s/\$number_of_columns/$number_of_columns/g; + $laystyle = 'album'; + } elsif ($layout eq 'CBI' and $numberofcolumns eq '2') { + $result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/; + $result =~ s/\$number_of_columns/$number_of_columns/g; + $laystyle = 'album'; + } elsif ($layout eq 'CAPA') { + my $courseidinfo = $ENV{'request.role'}; + $_ = $courseidinfo; + m/.*\/(.*)/; + $courseidinfo = $ENV{'course.physnet_'.$1.'.description'}; + $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass{article}/; + if ($choice ne 'All class print') { + $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo} \\vskip 5 mm /; + } else { + $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1} \\vskip 5 mm /; } + $result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g; +# $result =~ s/\\includegraphics{/\\includegraphics\[width=\\textwidth\]{/g; +# $result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPL $1/; + $result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny \\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright Michigan State University Board of Trustees $1/; +# $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[9\.0cm\]\[b\]{\\hrulefill})/$2$1/g; + $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; + $result =~ s/(\\end{longtable}\s*)\\newline/$1/g; + $result =~ s/\$number_of_columns/$number_of_columns/g; + } + #changes page's parameters for the one column output + if ($ENV{'form.numberofcolumns'} == 1) { + $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/; + $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/; + $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/; + $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/; } +#-- LaTeX corrections + my $first_comment = index($result,'',$first_comment); + substr($result,$first_comment,$end_comment-$first_comment+3) = ''; + $first_comment = index($result,'