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root/cvsroot/COMP/SCRAM/src/Utilities/SCRAMUtils.pm
Revision: 1.2
Committed: Mon Mar 1 11:01:36 1999 UTC (26 years, 2 months ago) by williamc
Content type: text/plain
Branch: MAIN
Changes since 1.1: +1 -1 lines
Log Message:
get rid of unessary shell invocation stuff in modules

File Contents

# User Rev Content
1 williamc 1.1 #
2     # Utility Routines for the SCRAM tools
3     #
4    
5     package SCRAMUtils;
6 williamc 1.2 require 5.001;
7 williamc 1.1 require Exporter;
8     @ISA = qw(Exporter);
9     @EXPORT = qw(checkfile updatelookup);
10     use Carp;
11    
12     sub checkfile ($filename) {
13     my $filename=shift;
14     my $thisfile="";
15     $thifile=$ENV{LOCALTOP}."/".$filename;
16     return $thisfile, if ( -e $thisfile );
17     $thifile=$ENV{RELEASETOP}."/".$filename;
18     return $thisfile, if ( -e $thisfile );
19     return "";
20     }
21    
22     #
23     # Replace or add an entry in a hashing file
24     #
25     sub updatelookup {
26     my $filename=shift;
27     my $key=shift;
28     my $rest=shift;
29     my $update=0;
30     use File::Copy;
31    
32     open ( SCRAMWORK, ">$filename.wk" ) or
33     croak "Unable to open $filename.wk ".$!."\n";
34     open ( SCRAMUPDATEFILE, $filename );
35     while ( <SCRAMUPDATEFILE> ) {
36     if ( $_=~/^\Q$key\E/o ) {
37     $update=1;
38     print SCRAMWORK $key.$rest."\n";
39     }
40     print SCRAMWORK $_;
41     }
42    
43     close SCRAMUPDATEFILE;
44     if ( $update==0 ) {
45     print SCRAMWORK $key.$rest."\n";
46     }
47     close SCRAMWORK;
48     copy "$filename.wk", $filename or croak "Unable to update file "
49     ."$filename $!\n";
50    
51     }