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root/cvsroot/COMP/SCRAM/src/Utilities/SCRAMUtils.pm
Revision: 1.8
Committed: Mon Aug 28 08:35:16 2000 UTC (24 years, 8 months ago) by williamc
Content type: text/plain
Branch: MAIN
Changes since 1.7: +26 -2 lines
Log Message:
remove Interface.pm

File Contents

# User Rev Content
1 williamc 1.1 #
2     # Utility Routines for the SCRAM tools
3     #
4 williamc 1.8 # Interface
5     #
6     # dated(testfile,@dependencies) : returns 1 if testfile is older than any of its
7     # dependencies or does not exist
8 williamc 1.1
9     package SCRAMUtils;
10 williamc 1.2 require 5.001;
11 williamc 1.1 require Exporter;
12     @ISA = qw(Exporter);
13 williamc 1.8 @EXPORT = qw(checkfile updatelookup dated);
14 williamc 1.1 use Carp;
15    
16 williamc 1.8 sub dated {
17     my $testfile=shift;
18     my @files=@_;
19    
20     my $rv=0;
21     if ( -f $testfile ) {
22     my $time=(stat($testfile))[9];
23     foreach $file ( @files ) {
24     if ( -f $file ) {
25     if ( (stat($file))[9] > $time ) {
26     $rv=1;
27     print "$testfile is out of date relative to $file\n";
28     }
29     }
30     }
31     }
32     else { $rv=1; }
33     return $rv;
34     }
35    
36 williamc 1.3 sub checkfile {
37 williamc 1.1 my $filename=shift;
38     my $thisfile="";
39 williamc 1.5 $thisfile=$ENV{LOCALTOP}."/".$filename;
40 williamc 1.1 return $thisfile, if ( -e $thisfile );
41 williamc 1.5 $thisfile=$ENV{RELEASETOP}."/".$filename;
42 williamc 1.1 return $thisfile, if ( -e $thisfile );
43     return "";
44     }
45    
46     #
47     # Replace or add an entry in a hashing file
48     #
49     sub updatelookup {
50     my $filename=shift;
51     my $key=shift;
52     my $rest=shift;
53     my $update=0;
54     use File::Copy;
55    
56     open ( SCRAMWORK, ">$filename.wk" ) or
57     croak "Unable to open $filename.wk ".$!."\n";
58     open ( SCRAMUPDATEFILE, $filename );
59 williamc 1.8 # print "Searching for ".$key."\n";
60 williamc 1.1 while ( <SCRAMUPDATEFILE> ) {
61 williamc 1.6 chomp;
62     if ( $_=~/^\Q$key\E/ ) {
63 williamc 1.1 $update=1;
64     print SCRAMWORK $key.$rest."\n";
65     }
66 williamc 1.4 else {
67 williamc 1.6 print SCRAMWORK $_."\n";
68 williamc 1.4 }
69 williamc 1.1 }
70     close SCRAMUPDATEFILE;
71     if ( $update==0 ) {
72     print SCRAMWORK $key.$rest."\n";
73     }
74     close SCRAMWORK;
75     copy "$filename.wk", $filename or croak "Unable to update file "
76     ."$filename $!\n";
77    
78     }