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#!/usr/bin/perl -w # Really crude "post beautifyer" # The rationale behind it is to split an unformatted post up into # text and code, but leaning more to code than to text, as it is # easier to read monospaced text than to read paragraph-formatted # code. # BETA CODE ! # BUGS: # * Can't properly handle "print <<EOF"-style code ... use strict; # this is becoming a habit ... #use Safe; # kudos to swiftone for the idea and nuance for the Safe +module use Text::Wrap; my $filename = $ARGV[0] || $0; my $Content = &readfile( $filename ); my %StartTag = ( "Code" => '<PRE>', "Text" => '<P>', ); my %EndTag = ( "Code" => '</PRE>', "Text" => '</P>', ); # A RE that constitutes what a variable name might be ... my $varRE = q'[\\$\\@\\%\\*](\w[a-zA-Z_0-9]+|[\\$/\|\\@_])'; my $CodeLineBreak = "<FONT color=\"red\">+<BR>+ </FONT>"; #print $Text::Wrap::columns; $Text::Wrap::columns = 50; # Fix up the newlines $Content =~ s/\n\r|\r/\n/g; # Bail out if the user knows about CODE tags if ($Content =~ /<CODE>/) { print $Content; exit; }; my (@Lines) = split /\n/, $Content; my $LastLineType = "Text"; my $LineType = "Text"; #my ($Sandbox) = new Safe 'Sandbox'; # Hey, I'm trying to stay on the safe side. If something # compiles fine but dosen't run, I'm all OK with that ! #$Sandbox->permit_only(); print $StartTag{$LineType}; foreach (@Lines) { # For a start, assume that the current line has the same style # as this line $LineType = $LastLineType; # blank lines remain blank lines if (/^\s*$/) { # keep old state } # some really safe bets about code lines elsif ( /^\s*#/ # A comment line || /^\s*["'].*?["']\s*=>/ # A hash entry || /^\s*[\{\(]|[\}\)];?/ # a line containing (only) an o +pening or closing bracket || /^\s*if\s*\(/ # an if statement || /elsif/ # elsif statements are a dead giveaway || /^\s*else\s*\{?\s*/ # a single else statement || /\s*[\$\@\%]\w+ [=!~+\-\*]?=/ # assignments || /^\s*use\s+\w+(::\w+)*/ # use clauses || /^\s*require\s+\w+(::\w+)*/ # require clauses || /^\s*sub\s+\w+/ || /^\s*my\s+\(?\s*$varRE/o || /^\s*our\s+\(?\s*$varRE/o || /^\s*local\s+$varRE/o || /^\s*return\s+\(?\s*$varRE/o || /^\s*close\s+[A-Z]+/o || /^\s*print\W/ ) { $LineType = "Code"; $_ = wrap("","",$_); $_ =~ s/\n/$CodeLineBreak/o; } else { # Everything that hasn't been weeded out by now must be normal tex +t ... $LineType = "Text" } print( $EndTag{$LastLineType},$StartTag{$LineType} ) if ($LastLineTy +pe ne $LineType); print $_, "\n"; $LastLineType = $LineType; }; print( $EndTag{$LastLineType} ); sub readfile { # Don't put this into production code ! # It prints user-supplied stuff like the filename ... my( $filename ) = @_; local $/; local *FILE; open( FILE, "< $filename" ) or die "Can't read from $filename : $!\n +"; my $Result = <FILE>; close FILE; return $Result; };

In reply to Automatic CODE-tag creation (Prototype) by Corion

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