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## --------------------------------------------------------------------------- |
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## $Id: files.pm,v 1.4 2003/05/13 09:23:03 joko Exp $ |
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## --------------------------------------------------------------------------- |
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## $Log: files.pm,v $ |
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## Revision 1.4 2003/05/13 09:23:03 joko |
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## pre-flight checks for existance of base directory of to-be-executed script |
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## |
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## Revision 1.3 2003/03/31 05:47:01 janosch |
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## Mis mif gex |
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## |
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## Revision 1.2 2003/02/20 21:12:24 joko |
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## + prints to STDERR if logfile could not be opened |
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## |
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## Revision 1.1 2003/02/11 09:50:00 joko |
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## + code from Data::Storage::Handler::File::Basic |
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## |
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## --------------------------------------------------------------------------- |
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|
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=pod |
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|
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=head1 Background |
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|
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UNIX = Everything is a file |
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Perl ~ Everything is a string ;-) |
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|
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|
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=cut |
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|
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|
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|
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package shortcuts::files; |
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|
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use strict; |
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use warnings; |
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|
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require Exporter; |
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our @ISA = qw( Exporter ); |
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our @EXPORT_OK = qw( |
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s2f |
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a2f |
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f2s |
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rif |
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mif |
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); |
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|
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|
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use Data::Dumper; |
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use File::Basename; |
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|
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sub s2f { |
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my $filename = shift; |
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my $string = shift; |
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my $args = shift; |
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|
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# pre-flight checks: Does directory exist? |
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my $dirname = dirname($filename); |
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if (not -e $dirname) { |
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print STDERR __PACKAGE__ . ':' . __LINE__ . ": ERROR: Directory '$dirname' does not exist! (Write attempt)" . "\n"; |
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return; |
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} |
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|
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# Perform: File write |
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open(FH, '>' . $filename); |
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if ($args->{mode} && $args->{mode} eq 'binary') { |
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binmode(FH); |
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} |
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print FH $string; |
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# Always inject ending newline? No, since it unneccessarily |
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# modifies files with absolutely *no* changes in content. |
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print FH "\n" if $string !~ /\n$/; |
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close(FH); |
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} |
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|
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sub f2s { |
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my $filename = shift; |
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|
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# pre-flight checks: Does file exist? |
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if (! -e $filename) { |
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print STDERR __PACKAGE__ . ':' . __LINE__ . ": ERROR: File '$filename' does not exist! (Read attempt)" . "\n"; |
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return; |
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} |
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|
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# read file at once (be careful with big files!!!) |
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open(FH, '<' . $filename); |
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my @buf_arr = <FH>; |
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my $buf = join("", @buf_arr); |
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close(FH); |
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return $buf; |
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} |
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|
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sub a2f { |
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my $filename = shift; |
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my $string = shift; |
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open(FH, '>>' . $filename) or do { |
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print "Could not append to \"$filename\"!", "\n"; |
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print "Log-Message was: "; |
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print $string if $string; |
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print "\n"; |
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return; |
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}; |
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#print FH "\n"; |
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print FH $string; |
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print FH "\n"; |
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close(FH); |
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return 1; |
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} |
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|
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sub ris { |
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my $string = shift; |
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my $rules = shift; |
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|
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our $ris_result = 1; |
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|
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if (ref $rules eq 'HASH') { |
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my @re_find = keys %{$rules}; |
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# replace all keys with substitutes from hash "%re_table" |
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foreach my $find (@re_find) { |
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my $replace = $rules->{$find}; |
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$ris_result &= ($string =~ s/$find/$replace/g); |
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} |
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} |
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|
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if (ref $rules eq 'ARRAY') { |
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foreach my $rule (@{$rules}) { |
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my $find = $rule->[0]; |
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my $replace = $rule->[1]; |
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$ris_result &= ($string =~ s/$find/$replace/g); |
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} |
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} |
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|
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return $string; |
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} |
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|
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sub rif { |
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my $filename = shift; |
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my $rules = shift; |
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my $out_suffix = shift; |
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|
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my $outfile = $filename; |
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$outfile .= '.' . $out_suffix if ($out_suffix); |
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|
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my $buf = f2s($filename); |
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$buf = ris($buf, $rules); |
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s2f($outfile, $buf); |
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} |
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|
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sub mis { |
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my $string = shift; |
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my $rules = shift; |
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|
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my $mis_result = {}; |
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|
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if (ref $rules eq 'HASH') { |
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my @re_find = keys %{$rules}; |
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# replace all keys with substitutes from hash "%re_table" |
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foreach my $find (@re_find) { |
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#my $replace = $rules->{$find}; |
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#$mis_result &= ($string =~ m/$find/g); |
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$mis_result->{$find} = ($string =~ m/$find/g); |
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$mis_result->{$find} ||= 0; |
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} |
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} |
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|
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if (ref $rules eq 'ARRAY') { |
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foreach my $rule (@{$rules}) { |
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my $find = (ref $rule eq 'ARRAY') ? $rule->[0] : $rule; |
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$mis_result->{$find} = 0; |
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my $pattern = quotemeta($find); |
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$string =~ s{ |
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$pattern # the pattern used to search through the whole file |
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}{ |
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$mis_result->{$find}++; # build result (increase counter per occourance) |
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}gex; |
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} |
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} |
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|
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return $mis_result; |
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} |
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|
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sub mif { |
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my $filename = shift; |
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my $rules = shift; |
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my $out_suffix = shift; |
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|
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my $outfile = $filename; |
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$outfile .= '.' . $out_suffix if ($out_suffix); |
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|
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my $buf = f2s($filename); |
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return mis($buf, $rules); |
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#s2f($outfile, $buf); |
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} |
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|
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sub findKeyEntries { |
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my $string = shift; |
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my $pattern = shift; |
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my @arr = split("\n", $string); |
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my @entries; |
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foreach (@arr) { |
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chomp; |
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#print "l: ", $_, "\n"; |
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if (m/$pattern/) { |
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push @entries, $1; |
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} |
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} |
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return \@entries; |
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} |
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|
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# --------------------------------- |
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# is a context-entry in a file? |
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# a "context-entry" is an entry identified |
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# by a certain keystring, which itself |
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# is detected dynamically |
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sub isEntryInFile { |
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|
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my $chk = shift; |
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my $content_current = f2s($chk->{filename}); |
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|
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# try to find all key-entries via patterns which are "entry-identifiers" |
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if (my @keys = @{ findKeyEntries($chk->{'out'}, $chk->{'pattern'}{'EntryIdent'}) }) { |
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# iterate through all "entry-identifiers" |
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foreach (@keys) { |
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my $pattern = $chk->{'pattern'}{'EntryCheck'}; |
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$pattern =~ s/\@\@KEY\@\@/$_/; |
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my $bool_AlreadyThere = ($content_current =~ m/$pattern/); |
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if ($bool_AlreadyThere) { |
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$chk->{'EntryFound'} = $_; |
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return 1; |
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} |
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} |
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} |
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|
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} |
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|
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1; |
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__END__ |
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