90 lines
1.8 KiB
Perl
90 lines
1.8 KiB
Perl
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package util;
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use strict;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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require Exporter;
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@ISA = qw(Exporter);
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@EXPORT = qw(append_file edit_file read_file replace_file);
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@EXPORT_OK = qw();
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%EXPORT_TAGS = ();
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########################################################################
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# append_file
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sub append_file {
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my $filename = shift;
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my $function = shift;
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open(OUT, ">> $filename") || die "Can't open file '$filename'";
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my $result = &$function(\*OUT, @_);
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close(OUT);
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return $result;
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}
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########################################################################
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# edit_file
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sub edit_file {
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my $filename = shift;
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my $function = shift;
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open(IN, "< $filename") || die "Can't open file '$filename'";
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open(OUT, "> $filename.tmp") || die "Can't open file '$filename.tmp'";
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my $result = &$function(\*IN, \*OUT, @_);
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close(IN);
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close(OUT);
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if($result) {
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unlink("$filename");
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rename("$filename.tmp", "$filename");
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} else {
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unlink("$filename.tmp");
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}
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return $result;
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}
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########################################################################
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# read_file
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sub read_file {
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my $filename = shift;
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my $function = shift;
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open(IN, "< $filename") || die "Can't open file '$filename'";
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my $result = &$function(\*IN, @_);
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close(IN);
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return $result;
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}
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########################################################################
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# replace_file
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sub replace_file {
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my $filename = shift;
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my $function = shift;
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open(OUT, "> $filename.tmp") || die "Can't open file '$filename.tmp'";
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my $result = &$function(\*OUT, @_);
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close(OUT);
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if($result) {
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unlink("$filename");
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rename("$filename.tmp", "$filename");
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} else {
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unlink("$filename.tmp");
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}
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return $result;
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}
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1;
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