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root/cvsroot/COMP/SCRAM/src/Utilities/SCRAMUtils.pm
Revision: 1.5.2.1.2.1
Committed: Tue Aug 22 14:36:58 2000 UTC (24 years, 8 months ago) by williamc
Content type: text/plain
Branch: HPWbranch
CVS Tags: V0_15_0, V0_15_0beta
Branch point for: V0_15branch
Changes since 1.5.2.1: +1 -1 lines
Log Message:
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File Contents

# User Rev Content
1 williamc 1.1 #
2     # Utility Routines for the SCRAM tools
3     #
4 williamc 1.5.2.1 # 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 1.5.2.1 @EXPORT = qw(checkfile updatelookup dated);
14 williamc 1.1 use Carp;
15 williamc 1.5.2.1
16     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27     print "$testfile is out of date relative to $file\n";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 williamc 1.1
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, $filename );
59 williamc 1.5.2.1.2.1 # print "Searching for ".$key."\n";
60 williamc 1.1 while ( <SCRAMUPDATEFILE> ) {
61     if ( $_=~/^\Q$key\E/o ) {
62     $update=1;
63     print SCRAMWORK $key.$rest."\n";
64     }
65 williamc 1.4 else {
66     print SCRAMWORK $_;
67     }
68 williamc 1.1 }
69     close SCRAMUPDATEFILE;
70     if ( $update==0 ) {
71     print SCRAMWORK $key.$rest."\n";
72     }
73     close SCRAMWORK;
74     copy "$filename.wk", $filename or croak "Unable to update file "
75     ."$filename $!\n";
76    
77     }