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Full Discussion: pattern matching problem
Top Forums Shell Programming and Scripting pattern matching problem Post 302142448 by Yogesh Sawant on Friday 26th of October 2007 08:09:24 AM
Old 10-26-2007
This may not be the efficient solution:
Code:
#!/usr/bin/perl
# get_lines.pl
use strict;
my $check_next_line = "no";
my ($new_line, $mp);
while (<>) {
    chomp;
    if (/^NEW/) {
        $new_line = $_;  # save the line beginning with word NEW
        $check_next_line = "yes";
        $mp = (split (/\s+/, $_))[2];  # save the field containing MP code
        next;
    }
    elsif (/^CNL/) {
        if ($mp eq (split (/\s+/, $_))[2]) {
            print $new_line, "\n";
            print;
            print "\n";
        }
    }
    $check_next_line = "no";
}

Run this script as:
Code:
perl get_lines.pl new_file

 

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LEARN ABOUT MOJAVE

tcl_stringcasematch

Tcl_StringMatch(3)					      Tcl Library Procedures						Tcl_StringMatch(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_StringMatch, Tcl_StringCaseMatch - test whether a string matches a pattern

SYNOPSIS

       #include <tcl.h>

       int
       Tcl_StringMatch(str, pattern)

       int
       Tcl_StringCaseMatch(str, pattern, flags)

ARGUMENTS

       const char *str (in)		 String to test.

       const char *pattern (in) 	 Pattern to match against string.  May contain special characters from the set *?[].

       int flags (in)			 OR-ed combination of match flags, currently only TCL_MATCH_NOCASE.  0 specifies a case-sensitive search.
_________________________________________________________________

DESCRIPTION

       This  utility  procedure  determines  whether  a  string  matches  a given pattern.  If it does, then Tcl_StringMatch returns 1.  Otherwise
       Tcl_StringMatch returns 0.  The algorithm used for matching is the same algorithm used in the string match Tcl command and  is  similar	to
       the algorithm used by the C-shell for file name matching;  see the Tcl manual entry for details.

       In  Tcl_StringCaseMatch,  the algorithm is the same, but you have the option to make the matching case-insensitive.  If you choose this (by
       passing TCL_MATCH_NOCASE), then the string and pattern are essentially matched in the lower case.

KEYWORDS

       match, pattern, string

Tcl									8.5							Tcl_StringMatch(3)
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