Perl Pattern Matching

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# 1  
Old 09-28-2009
Perl Pattern Matching

Hello experts,

I have a file containing the following text(shortened here).
File Begin
-----[31-32 changed to 31-32]-----
< # Billboard.d3fc1302a677.imagePath=S:\\efcm_T4
< Billboard.d3fc1302a677.imagePath=S:\\efcm_T4
> # Billboard.d3fc1302a677.imagePath=S:\\efcm_Cassini
> Billboard.d3fc1302a677.imagePath=S:\\efcm_Cassini
-----[after 248 inserted 249-266]-----
> # ShowDialogAction.4aa6f5a0a2a1.buttonLabel=OK
> ShowDialogAction.4aa6f5a0a2a1.buttonLabel=OK
> # ShowDialogAction.4aa6f5a0a2a1.cancelButtonLabel=Cancel
> ShowDialogAction.4aa6f5a0a2a1.cancelButtonLabel=Cancel
File End

I now need to write a perl script to grep for the header containing 'changed' (here : -----[31-32 changed to 31-32]-----),
and count all the lines only having '>' symbol.
For example: Here i grep for the word 'changed' from the first header and count the lines containing '>'. So the count must be 2.
Similarly for the second match 'inserted', the number of lines will result in 7 with '>' symbol.
Please help me....Thanks in advance.

Last edited by Franklin52; 09-28-2009 at 09:17 AM.. Reason: Please use code tags!
# 2  
Old 09-28-2009
local $/="\n\n";
open FH,"<yourfile.txt";
  my $cnt=()=$_=~/(>)/g;
  print $cnt,"\n";

# 3  
Old 09-28-2009
Thanks cherry for a quick response!!! I actually am trying this:


use Shell;

open THEFILE, "C:\galileo_integration.txt" || die "Couldnt open the file!";

@wholeThing = <THEFILE>;

close THEFILE;

foreach $line (@wholeThing){

  if ($line =~ m/\\0$/){

    @nextThing = $line;

    if ($line =~ s/\\0/\\LATEST/g){
      @otherThing = $line;
      @grep_results = qx{cleartool diff -ser @nextThing @otherThing};
      print "@grep_results\n";

      $inserted = grep( "inserted" | "/^>$/" | "wc-l", @grep_results);

      print "Number of lines Inserted, $inserted\n";

      $deleted = grep( "deleted" | "/^>/" | "wc-l", @grep_results);

      print "Number of lines Deleted, $deleted\n";

      $changed = grep( "changed" | "/^>/" | "wc-l", @grep_results);

      print "Number of lines Changed, $changed\n";

Output it gives is:
Number of lines Inserted, 100
Number of lines Deleted, 100
Number of lines Changed, 100

All gives me the same wordcount, but i want to grep line count based on matching Inserted, Deleted, Changed.

Number of lines Inserted, 100
Number of lines Deleted, 60
Number of lines Changed, 20

Appreciate your help!!!!

Last edited by Franklin52; 09-28-2009 at 09:21 AM.. Reason: Please use code tags!
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