logfile.pl to HTML.

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Generated: Sun Aug 21 11:11:12 2011 from logfile.pl 2011/04/16 7.7 KB.

#!/Perl
# logfile.pl
# 26/08/2010 - changed 'open' to 'CREATE'
# 16/05/2010 - added 'strip_quotes', 'fix_rel_path3'
use File::Basename;  # split path ($name,$dir,$ext) = fileparse($file [, qr/\.[^.]*/] )

sub open_log {
   my ($f) = shift;
   open $LF, ">$f" or die "ERROR:open_log:logfile.pl: Unable to CREATE $f ...\n";
   $write_log = 1;
}

sub prt {
   my ($msg) = shift;
   if ($write_log) {
      print $LF $msg;
   }
   print $msg;
}

sub mydie {
   my ($msg) = shift;
   if ($write_log) {
      print $LF $msg;
   }
   die $msg;
}

sub close_log {
   my ($of, $p) = @_;
   prt( "Closing LOG and passing $of to system ...\nMay need to CLOSE notepad to exit ...\n") if ($p);
   if ($write_log) {
      close( $LF );
        $write_log = 0;
   }
   system( $of ) if ($p);
}

sub write2file {
   my ($txt,$fil) = @_;
   open WOF, ">$fil" or mydie("ERROR:write2file:logfile.pl: Unable to CREATE [$fil]! $!\n");
   print WOF $txt;
   close WOF;
}

sub write_a_file {
   my ($fil, @txt) = @_;
   open WOF, ">$fil" or mydie("ERROR:write_a_file:logfile.pl: Unable to CREATE $fil! $!\n");
   print WOF @txt;
   close WOF;
}

sub append2file {
   my ($txt,$fil) = @_;
   open WOF, ">>$fil" or mydie("ERROR:append2file:logfile.pl: Unable to open/append to [$fil]! $!\n");
   print WOF $txt;
   close WOF;
}

sub writebinfile {
   my ($txt,$fil) = @_;
   open WOF, ">$fil" or mydie( "ERROR:writebinfile:logfile.pl: Unable to CREATE [$fil]! $! \n" );
   binmode WOF;
   print WOF $txt;
   close WOF;
}


###############################
# some utilities
sub is_in_array {
   my ($itm, @arr) = @_;
   my $max = scalar @arr;
   for (my $k = 0; $k < $max; $k++) {
      if ($arr[$k] eq $itm) {
         return $k + 1;  # return offset plus 1
      }
   }
   return 0;
}

sub trim_all($) {
   my ($ln) = shift;
   $ln =~ s/\n/ /gm;   # replace CR (\n)
   $ln =~ s/\r/ /gm;   # replace LF (\r)
   $ln =~ s/\t/ /g;   # TAB(s) to a SPACE
   $ln = substr($ln,1) while ($ln =~ /^\s/); # remove all LEADING space
   $ln = substr($ln,0, length($ln) - 1) while ($ln =~ /\s$/); # remove all TRAILING space
   $ln =~ s/\s{2}/ /g while ($ln =~ /\s{2}/);   # all double space to SINGLE
   return $ln;
}

sub file_extension {
    my $fil = shift;
    my ($nm,$dir,$ext) = fileparse( $fil, qr/\.[^.]*/ );
    return $ext;
}

sub file_title {
    my $fil = shift;
    my ($nm,$dir,$ext) = fileparse( $fil, qr/\.[^.]*/ );
    return $nm;
}

# Return directory name of file.
sub file_dirname {
    my ($fil) = shift;
    my ($nm,$dir) = fileparse($fil);
    return $dir;
}

# RENAME A FILE TO .OLD, or .BAK
# 0 - do nothing if file does not exist.
# 1 - rename to .OLD if .OLD does NOT exist
# 2 - rename to .BAK, if .OLD already exists,
# 3 - deleting any previous .BAK ...
sub rename2oldbak {
   my ($fil) = shift;
   my $ret = 0;   # assume NO SUCH FILE
   if ( -f $fil ) {   # is there?
      my ($nm,$dir,$ext) = fileparse( $fil, qr/\.[^.]*/ );
      my $nmbo = $dir . $nm . '.old';
      $ret = 1;   # assume renaming to OLD
      if ( -f $nmbo) {   # does OLD exist
         $ret = 2;      # yes - rename to BAK
         $nmbo = $dir . $nm . '.bak';
         if ( -f $nmbo ) {
            $ret = 3;
            unlink $nmbo;
         }
      }
      rename $fil, $nmbo;
   }
   return $ret;
}

#########################################
###### relative path stuff ##############
sub path_u2d($) {
   my ($ud) = shift;
   $ud =~ s/\//\\/g;
   return $ud;
}

sub path_d2u($) {
   my ($du) = shift;
   $du =~ s/\\/\//g;
   return $du;
}

# Given TWO FOLDER, attempt to get RELATIVE PATH from the FROM DIRECTORY,
# to the TARGET DIRECTORY. MUSTS BE DIRECTORIES, NOT FILE PATHS
##my $rel = get_relative_path( $htm_folder, $my_folder ); added 20070820
# seems to work fine ... still under test!!!
# 17/11/2007 - Further refinement to REMOVE all warnings
sub get_relative_path {
   my ($target, $fromdir) = @_;
    my $dbg_rel = 0;
   my ($colonpos, $path, $posval, $diffpos, $from, $to);
   my ($tlen, $flen);
    my ($lento, $lenfrom);
   my $retrel = "";
   # only work with slash - convert DOS backslash to slash
   $target = path_d2u($target);
   $fromdir = path_d2u($fromdir);
   # add '/' to target. if missing
   if (substr($target, length($target)-1, 1) ne '/') {
      $target .= '/';
   }
   # add '/' to fromdir. if missing
   if (substr($fromdir, length($fromdir)-1, 1) ne '/') {
      $fromdir .= '/';
   }

   # remove drives, if present
    if ( ( $colonpos = index( $target, ":" ) ) != -1 ) {
      $target = substr( $target, $colonpos+1 );
   }
   if ( ( $colonpos = index( $fromdir, ":" ) ) != -1 ) {
        $fromdir = substr( $fromdir, $colonpos+1 );
    }
   # got the TO and FROM ...
   $to = $target;
   $from = $fromdir;
   print "To [$to], from [$from] ...\n" if ($dbg_rel);
   $path = '';
   $posval = 0;
   $retrel = '';
    $lento = length($to);
    $lenfrom = length($from);
   # // Step through the paths until a difference is found (ignore slash differences)
   # // or until the end of one is found
   while ( ($posval < $lento) && ($posval < $lenfrom) ) {
      if ( substr($from,$posval,1) eq substr($to,$posval,1) ) {
         $posval++; # bump to next
      } else {
         last; # break;
      }
   }

   # // Save the position of the first difference
   $diffpos = $posval;

   # // Check if the directories are the same or
   # // the if target is in a subdirectory of the fromdir
   if ( ( !substr($from,$posval,1) ) &&
       ( substr($to,$posval,1) eq "/" || !substr($to,$posval,1) ) )
   {
      # // Build relative path
      $diffpos = length($target);
      if (($posval + 1) < $diffpos) {
         $diffpos-- if ($diffpos);
         if ($diffpos > $posval) {
            $diffpos -= $posval;
         } else {
            $diffpos = 0;
         }
         ###$retrel = substr( $target, $posval+1, length( $target ) );
         print "Return substr of target, from ".($posval+1).", for $diffpos length ...\n" if ($dbg_rel);
         $retrel = substr( $target, $posval+1, $diffpos );
      } else {
         print "posval+1 (".($posval+1).") greater than length $diffpos ...\n" if ($dbg_rel);
      }
   } else {
      # // find out how many "../"'s are necessary
      # // Step through the fromdir path, checking for slashes
      # // each slash encountered requires a "../"
      #$posval++;
      while ( substr($from,$posval,1) ) {
         print "Check for slash ... $posval in $from\n" if ($dbg_rel);
         if ( substr($from,$posval,1) eq "/" ) { # || ( substr($from,$posval,1) eq "\\" ) ) {
            print "Found a slash, add a '../' \n" if ($dbg_rel);
            $path .= "../";
         }
         $posval++;
      }
      print "Path [$path] ...\n" if ($dbg_rel);

      # // Search backwards to find where the first common directory
      # // as some letters in the first different directory names
      # // may have been the same
      $diffpos--;
      while ( ( substr($to,$diffpos,1) ne "/" ) && substr($to,$diffpos,1) ) {
         $diffpos--;
      }
      # // Build relative path to return
      $retrel = $path . substr( $target, $diffpos+1, length( $target ) );
    }
   print "Returning [$retrel] ...\n" if ($dbg_rel);
   return $retrel;
}


sub get_rel_dos_path {
   my ($targ, $from) = @_;
   my $rp = get_relative_path($targ, $from);
   $rp = path_u2d($rp);
   return $rp;
}

#########################################
sub strip_quotes {
   my ($ln) = shift;
   if ($ln =~ /^".*"$/) {
      $ln = substr($ln,1,length($ln)-2);
   }
   return $ln;
}
sub fix_rel_path3($$) {
   my ($path,$caller) = @_;
   $path = path_u2d($path);   # ENSURE DOS PATH SEPARATOR (in relative.pl)
   my @a = split(/\\/, $path);
   my $npath = '';
   my $max = scalar @a;
   my @na = ();
   for (my $i = 0; $i < $max; $i++) {
      my $p = $a[$i];
      if ($p eq '.') {
         # ignore this
      } elsif ($p eq '..') {
         if (@na) {
            pop @na;   # discard previous
         } else {
            prtw( "WARNING:$caller: Got relative .. without previous!!! path=$path\n" );
         }
      } else {
         push(@na,$p);
      }
   }
   foreach my $pt (@na) {
      $npath .= "\\" if length($npath);
      $npath .= $pt;
   }
   return $npath;
}

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