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326 lines
6.9 KiB
Perl
Executable File
326 lines
6.9 KiB
Perl
Executable File
#! /usr/bin/env perl
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# -*- mode: perl; -*-
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#
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# file searchPatterns.pl
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# Uses patterns-file to consecutively process given tex-file
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# Command succedes if each pattern matches the file content in given order
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#
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# How to use:
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#
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# searchPatterns.pl patterns=<name of file with patterns> log=<name of file to check against>
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use strict;
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use warnings;
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sub sexit($); # Print synax and exit
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sub readPatterns($); # Process patterns file
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sub processLogFile($); #
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sub convertPattern($); # check for regex, comment
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sub convertSimplePattern($); # escape some chars, (e.g. ']' ==> '\]')
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sub printInvalid($$); # display lines which should not match
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my ($logfile, $patternsfile, $basename, $newbase) = (undef, undef, undef);
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my %options = (
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"log" => \$logfile,
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"patterns" => \$patternsfile,
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"base" => \$basename,
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);
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my @patterns = ();
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for my $arg (@ARGV) {
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if ($arg eq "-help") {
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&sexit(0);
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}
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if ($arg =~ /^([^=]+)=(.+)$/) {
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my ($what, $val) = ($1, $2);
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if (exists($options{$what})) {
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if (defined(${$options{$what}})) {
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print "Param \"$what\" already handled\n";
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sexit(1);
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}
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${$options{$what}} = $val;
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if ($what ne "base") {
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if ($what eq "log") {
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if ($logfile =~ /^(.+)\.log[a-z]?\.txt$/) {
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$newbase = $1;
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}
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}
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elsif ($what eq "patterns") {
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if ($patternsfile =~ /^(.+)\.ctrl$/) {
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$newbase = $1;
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}
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}
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else {
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print "Software error, unhandled param \"$what\"\n";
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&sexit(1);
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}
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}
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}
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else {
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print "Unknown param \"$what\"\n";
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&sexit(1);
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}
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}
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else {
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print "Wrong param syntax for \"$arg\"\n";
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&sexit(1);
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}
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}
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$basename = $newbase if (! defined($basename));
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if (defined($basename)) {
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for my $k (keys %options) {
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next if ($k eq "base");
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if (! defined(${$options{$k}})) {
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if ($k eq "log") {
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$logfile = $basename . ".loga.txt";
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}
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elsif ($k eq "patterns") {
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$patternsfile = $basename . ".ctrl";
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}
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}
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}
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}
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for my $k (keys %options) {
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next if ($k eq "base");
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if (! defined(${$options{$k}})) {
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print "Param \"$k\" not defined\n";
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&sexit(1);
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}
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if (! -r ${$options{$k}}) {
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print "File \"${$options{$k}}\" is not readable\n";
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&sexit(1);
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}
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}
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# Read patterns
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print "\nControlfile\t= $patternsfile\n";
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print "Log-file\t= $logfile\n\n";
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&readPatterns($patternsfile);
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if (&processLogFile($logfile) > 0) {
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print "Errors occurred, exiting\n";
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exit(1);
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}
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exit(0);
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sub syntax()
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{
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print "Syntax:\n";
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print " $0";
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for my $k (keys %options) {
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my $type = "filename";
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$type = "basename" if ($k eq "base");
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print " \[$k=<$type>\]";
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}
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print "\n";
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}
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sub sexit($)
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{
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my ($exval) = @_;
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&syntax();
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exit($exval);
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}
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sub convertPattern($)
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{
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my ($pat) = @_;
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if ($pat eq "") {
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return("");
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}
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return $pat if ($pat =~ /^Comment:/);
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if ($pat =~ s/^((Err)?Regex):\s+//) {
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# PassThrough variant
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return($1 . ":" . $pat);
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}
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elsif ($pat =~ s/^((Err)?Simple):\s+//) {
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my $ermark = $2;
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$ermark = "" if (!defined($ermark));
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return $ermark . "Regex:" . &convertSimplePattern($pat);
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}
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else {
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# This should not happen.
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return undef;
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}
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}
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sub convertSimplePattern($)
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{
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# Convert all chars '[]()+'
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my ($pat) = @_;
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if ($pat eq "") {
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return("");
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}
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if ($pat =~ /^(.*)(\\n)(.*)$/) {
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# do not convert '\n'
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my ($first, $found, $third) = ($1, $2, $3);
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$first = &convertSimplePattern($first);
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$third = &convertSimplePattern($third);
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return("$first$found$third");
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}
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if ($pat =~ /^(.*)([\[\]\(\)\+\^\{\}\\])(.*)$/) {
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my ($first, $found, $third) = ($1, $2, $3);
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$first = &convertSimplePattern($first);
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$third = &convertSimplePattern($third);
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return($first . "\\$found" . $third);
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}
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# Substitue white spaces
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while ($pat =~ s/[\s]+/\\s\+/) {};
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return($pat);
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}
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sub readPatterns($)
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{
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my ($patfile) = @_;
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my $errors = 0;
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if (open(FP, $patfile)) {
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my $line = 0;
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while (my $p = <FP>) {
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$line++;
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chomp($p);
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$p = &convertPattern($p);
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if (defined($p)) {
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push(@patterns, $p) if ($p ne "");
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}
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else {
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print "Wrong entry in patterns-file at line $line\n";
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$errors++;
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}
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}
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close(FP);
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}
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if ($errors > 0) {
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exit(1);
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}
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}
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sub processLogFile($)
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{
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my ($log) = @_;
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my $found;
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my $errors = 1;
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my @savedlines = ();
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my $readsavedlines = 0;
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my $savedline;
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my $comment = "";
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if (open(FL, $log)) {
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$errors = 0;
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my $line = 0;
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my @ErrPatterns = ();
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my $minprevlines = 0;
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for my $pat (@patterns) {
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if ($pat =~ /^Comment:\s*(.*)$/) {
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$comment = $1;
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$comment =~ s/\s+$//;
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if ($comment ne "") {
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print "............ $comment ..........\n";
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}
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next;
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}
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if ($pat =~ /^(Err)?Regex:(.*)$/) {
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my ($type, $regex) = ($1, $2);
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next if ($regex eq "");
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if (defined($type)) {
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# This regex should not apply until next 'found line'
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my $erlines = () = $regex =~ /\\n/g;
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$minprevlines = $erlines if ($erlines > $minprevlines);
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push(@ErrPatterns, $regex);
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next;
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}
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else {
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# This is the pattern which we are looking for
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$pat = $regex;
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}
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}
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#print "Searching for \"$pat\"\n";
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$found = 0;
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my $invalidmessages = 0;
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my $prevlines = () = $pat =~ /\\n/g; # Number of lines in pattern
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$prevlines = $minprevlines if ($prevlines < $minprevlines);
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my @prevl = ();
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for (my $i = 0; $i <= $prevlines; $i++) {
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push(@prevl, "\n");
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}
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my @lines = ();
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if ($readsavedlines) {
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# Last regex not found
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@lines = @savedlines;
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@savedlines = ();
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$line = $savedline;
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}
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else {
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$savedline = $line;
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}
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while (1) {
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my $l;
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if ($readsavedlines) {
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$l = shift(@lines);
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}
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else {
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$l = <FL>;
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}
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last if (! $l);
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for (my $i = 0; $i < $prevlines; $i++) {
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$prevl[$i] = $prevl[$i+1];
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}
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$prevl[$prevlines] = $l;
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my $check = join("", @prevl);
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$line++;
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if ($check =~ /$pat/) {
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my $fline = $line - $prevlines;
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print "$fline:\tfound \"$pat\"\n";
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$found = 1;
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# Do not search in already found area
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for (my $i = 0; $i <= $prevlines; $i++) {
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$prevl[$i] = "\n";
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}
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if ($readsavedlines) {
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@savedlines = @lines;
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}
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else {
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@savedlines = ();
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}
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$savedline = $line;
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last;
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}
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else {
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push(@savedlines, $l);
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# Check for not wanted patterns
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for my $ep (@ErrPatterns) {
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if ($check =~ /$ep/) {
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$errors++;
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if ($invalidmessages++ < 10) {
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my $fline = $line - $prevlines;
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&printInvalid($fline, $check);
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}
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last;
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}
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}
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}
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}
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if (! $found) {
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$errors++;
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print "\tNOT found \"$pat\" in remainder of file\n";
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$readsavedlines = 1;
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}
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@ErrPatterns = (); # clean search for not wanted patterns
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$minprevlines = 0;
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}
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close(FL);
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}
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return($errors);
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}
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sub printInvalid($$)
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{
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my ($line, $check) = @_;
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my @chk = split(/\n/, $check);
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print("$line:\tInvalid match: " . shift(@chk) . "\n");
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for my $l (@chk) {
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print("\t\t\t$l\n");
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}
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}
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