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split_line(): Remove no longer used next_ch/last_ch
This commit is contained in:
Pragmatic Software
parent
4287cb9fa2
commit
f4caf44eb0
@ -9,6 +9,8 @@ use strict;
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package _c_base;
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use parent '_default';
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use SplitLine;
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sub preprocess {
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my $self = shift;
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@ -18,7 +20,7 @@ sub preprocess {
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print $fh "$input\n";
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close $fh;
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my @cmd = $self->split_line($self->{cmdline}, strip_quotes => 1, preserve_escapes => 0);
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my @cmd = split_line($self->{cmdline}, strip_quotes => 1, preserve_escapes => 0);
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if ($self->{code} =~ m/print_last_statement\(.*\);$/m) {
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# remove print_last_statement wrapper in order to get warnings/errors from last statement line
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@ -85,7 +87,7 @@ sub postprocess {
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my $ulimits = "ulimit -f 2000; ulimit -t 8; ulimit -u 200";
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my @args = $self->split_line($self->{arguments}, strip_quotes => 1, preserve_escapes => 1);
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my @args = split_line($self->{arguments}, strip_quotes => 1, preserve_escapes => 1);
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my $quoted_args = '';
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@ -11,6 +11,8 @@ use strict;
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use IPC::Run qw/run timeout/;
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use Encode;
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use SplitLine;
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use Data::Dumper;
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$Data::Dumper::Terse = 1;
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$Data::Dumper::Sortkeys = 1;
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@ -101,119 +103,10 @@ sub execute {
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return ($exitval, $stdout, $stderr);
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}
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# splits line into arguments separated by unquoted whitespace.
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# handles unbalanced quotes by treating them as part of the
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# argument they were found within.
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sub split_line {
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my ($self, $line, %opts) = @_;
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my %default_opts = (
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strip_quotes => 0,
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keep_spaces => 0,
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preserve_escapes => 1,
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);
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%opts = (%default_opts, %opts);
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my @chars = split //, $line;
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my @args;
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my $escaped = 0;
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my $quote;
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my $token = '';
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my $ch = ' ';
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my $last_ch;
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my $next_ch;
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my $i = 0;
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my $pos;
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my $ignore_quote = 0;
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my $spaces = 0;
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while (1) {
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$last_ch = $ch;
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if ($i >= @chars) {
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if (defined $quote) {
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# reached end, but unbalanced quote... reset to beginning of quote and ignore it
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$i = $pos;
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$ignore_quote = 1;
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$quote = undef;
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$last_ch = ' ';
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$token = '';
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} else {
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# add final token and exit
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push @args, $token if length $token;
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last;
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}
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}
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$ch = $chars[$i++];
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$next_ch = $chars[$i];
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$spaces = 0 if $ch ne ' ';
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if ($escaped) {
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if ($opts{preserve_escapes}) {
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$token .= "\\$ch";
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} else {
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$token .= $ch;
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}
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$escaped = 0;
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next;
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}
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if ($ch eq '\\') {
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$escaped = 1;
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next;
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}
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if (defined $quote) {
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if ($ch eq $quote) {
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# closing quote
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$token .= $ch unless $opts{strip_quotes};
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$quote = undef;
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} else {
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# still within quoted argument
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$token .= $ch;
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}
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next;
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}
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if (not defined $quote and ($ch eq "'" or $ch eq '"')) {
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if ($ignore_quote) {
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# treat unbalanced quote as part of this argument
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$token .= $ch;
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$ignore_quote = 0;
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} else {
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# begin potential quoted argument
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$pos = $i - 1;
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$quote = $ch;
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$token .= $ch unless $opts{strip_quotes};
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}
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next;
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}
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if ($ch eq ' ') {
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if (++$spaces > 1 and $opts{keep_spaces}) {
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$token .= $ch;
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next;
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} else {
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push @args, $token if length $token;
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$token = '';
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next;
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}
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}
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$token .= $ch;
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}
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return @args;
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}
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sub quote_args {
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my ($self, $text) = @_;
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my @args = $self->split_line($text, strip_quotes => 1, preserve_escapes => 1);
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my @args = split_line($text, strip_quotes => 1, preserve_escapes => 1);
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my $quoted = '';
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120
applets/pbot-vm/guest/lib/SplitLine.pm
Normal file
120
applets/pbot-vm/guest/lib/SplitLine.pm
Normal file
@ -0,0 +1,120 @@
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#!/usr/bin/env perl
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package SplitLine;
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use 5.020;
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use warnings;
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use strict;
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use feature 'signatures';
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no warnings 'experimental::signatures';
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use parent qw(Exporter);
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our @EXPORT = qw(split_line);
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# splits line into arguments separated by unquoted whitespace.
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# handles unbalanced quotes by treating them as part of the
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# argument they were found within.
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sub split_line ($line, %opts) {
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my %default_opts = (
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strip_quotes => 0,
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keep_spaces => 0,
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preserve_escapes => 1,
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);
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%opts = (%default_opts, %opts);
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my @chars = split //, $line;
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my @args;
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my $escaped = 0;
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my $quote;
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my $token = '';
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my $last_token = '';
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my $ch = ' ';
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my $i = 0;
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my $pos = 0;
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my $ignore_quote = 0;
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my $spaces = 0;
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while (1) {
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if ($i >= @chars) {
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if (defined $quote) {
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# reached end, but unbalanced quote... reset to beginning of quote and ignore it
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$i = $pos;
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$ignore_quote = 1;
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$quote = undef;
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$token = $last_token;
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} else {
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# add final token and exit
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push @args, $token if length $token;
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last;
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}
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}
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$ch = $chars[$i++];
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my $dquote = $quote // 'undef';
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$spaces = 0 if $ch ne ' ';
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if ($escaped) {
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if ($opts{preserve_escapes}) {
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$token .= "\\$ch";
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} else {
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$token .= $ch;
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}
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$escaped = 0;
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next;
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}
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if ($ch eq '\\') {
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$escaped = 1;
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next;
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}
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if (defined $quote) {
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if ($ch eq $quote) {
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# closing quote
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$token .= $ch unless $opts{strip_quotes};
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$quote = undef;
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} else {
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# still within quoted argument
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$token .= $ch;
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}
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next;
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}
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if (not defined $quote and ($ch eq "'" or $ch eq '"')) {
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if ($ignore_quote) {
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# treat unbalanced quote as part of this argument
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$token .= $ch;
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$ignore_quote = 0;
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} else {
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# begin potential quoted argument
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$pos = $i - 1;
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$quote = $ch;
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$last_token = $token;
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$token .= $ch unless $opts{strip_quotes};
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}
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next;
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}
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if ($ch eq ' ') {
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if (++$spaces > 1 and $opts{keep_spaces}) {
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$token .= $ch;
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next;
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} else {
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push @args, $token if length $token;
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$token = '';
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next;
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}
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}
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$token .= $ch;
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}
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return @args;
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}
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1;
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@ -33,23 +33,18 @@ sub split_line ($line, %opts) {
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my $token = '';
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my $last_token = '';
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my $ch = ' ';
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my $last_ch;
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my $next_ch;
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my $i = 0;
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my $pos = 0;
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my $ignore_quote = 0;
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my $spaces = 0;
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while (1) {
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$last_ch = $ch;
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if ($i >= @chars) {
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if (defined $quote) {
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# reached end, but unbalanced quote... reset to beginning of quote and ignore it
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$i = $pos;
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$ignore_quote = 1;
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$quote = undef;
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$last_ch = ' ';
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$token = $last_token;
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} else {
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# add final token and exit
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@ -59,7 +54,6 @@ sub split_line ($line, %opts) {
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}
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$ch = $chars[$i++];
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$next_ch = $chars[$i];
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my $dquote = $quote // 'undef';
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$spaces = 0 if $ch ne ' ';
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@ -1203,15 +1203,12 @@ sub split_line($self, $line, %opts) {
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my $token = '';
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my $last_token = '';
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my $ch = ' ';
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my $last_ch;
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my $next_ch;
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my $i = 0;
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my $pos;
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my $ignore_quote = 0;
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my $spaces = 0;
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while (1) {
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$last_ch = $ch;
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if ($i >= @chars) {
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if (defined $quote) {
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@ -1219,7 +1216,6 @@ sub split_line($self, $line, %opts) {
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$i = $pos;
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$ignore_quote = 1;
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$quote = undef;
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$last_ch = ' ';
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$token = $last_token;
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} else {
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# add final token and exit
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@ -1230,7 +1226,6 @@ sub split_line($self, $line, %opts) {
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}
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$ch = $chars[$i++];
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$next_ch = $chars[$i];
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$spaces = 0 if $ch ne ' ';
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@ -25,7 +25,7 @@ use PBot::Imports;
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# These are set by the /misc/update_version script
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use constant {
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BUILD_NAME => "PBot",
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BUILD_REVISION => 4815,
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BUILD_REVISION => 4816,
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BUILD_DATE => "2024-10-29",
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};
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