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#!/usr/bin/env perl
use strict;
# This script will recombine the perltidy binary script and all of its modules
# into a single, monolithic script. I use it for making a temporary "sandbox"
# for debugging.
# This is also useful for making a copy of previous versions for parallel
# debugging sessions.
# usage:
# perl pm2pl
# Run this from the perltidy main installation directory. It reads
# bin/perltidy and lib/*.pm and writes a file 'perltidy-VERSION.pl' in the
# current directory.
# This should work for a system with File::Spec,
# and for older Windows/Unix systems without File::Spec.
my $script = 'bin/perltidy';
my @modules = qw(
lib/Perl/Tidy.pm
lib/Perl/Tidy/Debugger.pm
lib/Perl/Tidy/DevNull.pm
lib/Perl/Tidy/Diagnostics.pm
lib/Perl/Tidy/FileWriter.pm
lib/Perl/Tidy/Formatter.pm
lib/Perl/Tidy/HtmlWriter.pm
lib/Perl/Tidy/IOScalar.pm
lib/Perl/Tidy/IOScalarArray.pm
lib/Perl/Tidy/IndentationItem.pm
lib/Perl/Tidy/LineBuffer.pm
lib/Perl/Tidy/LineSink.pm
lib/Perl/Tidy/LineSource.pm
lib/Perl/Tidy/Logger.pm
lib/Perl/Tidy/Tokenizer.pm
lib/Perl/Tidy/VerticalAligner.pm
lib/Perl/Tidy/VerticalAligner/Alignment.pm
lib/Perl/Tidy/VerticalAligner/Line.pm
);
# try to make the pathnames system independent
eval "use File::Spec;";
my $missing_file_spec = $@;
unless ($missing_file_spec) {
$script = File::Spec->catfile( split '/', $script );
foreach my $module (@modules) {
$module = File::Spec->catfile( split '/', $module );
}
}
my $VERSION = get_version("lib/Perl/Tidy.pm");
my $outfile = "perltidy-$VERSION.pl";
open OUTFILE, "> $outfile" or die "can't open file '$outfile' : $!\n";
print "Creating standalone formatter script '$outfile' ....\n ";
# first, open the script and copy the first (hash-bang) line
# (Note: forward slashes in file names here will work in Windows)
open SCRIPT, "< $script" or die "can't open script file '$script' : $!\n";
my $hash_bang = <SCRIPT>;
print OUTFILE $hash_bang;
# then copy all modules
foreach my $module (@modules) {
open PM, "< $module" or die "can't open my module file '$module' : $!\n";
while (<PM>) {
last if /^\s*__END__\s*$/;
print OUTFILE unless $_ =~ /^use Perl::Tidy/;
}
close PM;
}
# then, copy the rest of the script except for the 'use PerlTidy' statement
while (<SCRIPT>) {
last if /^\s*__END__\s*$/;
print OUTFILE unless $_ =~ /^use Perl::Tidy/;
}
close SCRIPT;
close OUTFILE;
chmod 0755, $outfile;
my $testfile = "somefile.pl";
print <<EOM;
You can now run $outfile to reformat perl scripts.
For example, the following command:
perl $outfile $testfile
will produce the output file $testfile.tdy
EOM
sub get_version {
my ($file) = @_;
my $fh;
open( $fh, "<", $file ) || die "cannot open $fh: $!\n";
while ( my $line = <$fh> ) {
# Looking for something simple like this, with or without quotes,
# with semicolon and no sidecomments:
# $VERSION = "20180202.245" ;
# our $VERSION = 20104202 ;
if ( $line =~
/^((our)?\s*\$VERSION\s*=\s*\'?) ([^'#]+) (\'?) \s* ;/x )
{
$VERSION = $3;
last;
}
}
return $VERSION;
}
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