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package file; |
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|
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use File::Slurp; |
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use autodie; |
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use Carp qw/carp confess/; |
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use File::Path qw//; |
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use Data::Dump qw/dump/; |
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|
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my $debug = 1; |
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|
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sub mkpath { |
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my $file = shift; |
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my $dir = $1 if $file =~ s{^.+/[^/]+}{}; |
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File::Path::mkpath $dir unless -e $dir; |
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} |
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|
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sub append { |
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my ( $file, $content ) = @_; |
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|
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if ( ! -e $file ) { |
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mkpath $file; |
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write_file $file, $content; |
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my $size = -s $file; |
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carp "## append created $size bytes in $file"; |
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return $size; |
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} |
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|
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my $on_disk = read_file $file; |
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|
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my $relaxed_content = $content; |
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$relaxed_content =~ s{\s+}{\\s+}gs; |
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|
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if ( $on_disk !~ m{$relaxed_content} ) { |
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|
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# $content =~ s{^[\n\r]+}{\n}s; |
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# $content =~ s{[\n\r]*$}{\n}s; |
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|
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if ( $on_disk =~ s{([\s+]exit[\s\d]*)$}{\n$content\n$1}s ) { |
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# warn "# insert $file\n$on_disk"; |
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write_file $file, $on_disk; |
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} else { |
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# warn "# append $file\n$content\n"; |
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open($fh, '>>', $file); |
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print $fh $content; |
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close($fh); |
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} |
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|
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carp "## append to $file"; |
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return -s $file; |
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} |
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} |
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|
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sub change { |
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my ( $file, $from, $to ) = @_; |
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|
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my $content = read_file $file; |
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if ( $content =~ s{$from}{$to}s ) { |
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write_file $file, $content; |
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carp "## change $file $from => $to" if $debug; |
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return 1; |
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} elsif ( $content !~ m{$to}s ) { |
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confess "can't find $from to change into $to in $file in ",dump( $content ); |
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} |
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} |
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|
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sub replace { |
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my ( $file, $content ) = @_; |
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mkpath $file; |
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write_file $file, $content; |
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} |
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|
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sub copy_once { |
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my ( $from, $to ) = @_; |
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$to ||= $from; |
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return if -e $to; |
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mkpath $to; |
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write_file $to, read_file $from; |
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# warn "# copy_once $to ", -s $to, " bytes"; |
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} |
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|
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1; |