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root/cvsroot/COMP/SCRAM/src/Utilities/SCRAMUtils.pm
Revision: 1.9
Committed: Wed Nov 15 10:20:07 2000 UTC (24 years, 5 months ago) by williamc
Content type: text/plain
Branch: MAIN
CVS Tags: V1_0_4p1, V1_0_2, V1_0_2_p1, v102p1, V1_0_1, V1_0_0, V1_pre0, SCRAM_V1, SCRAMV1_IMPORT, V0_19_7, V0_19_6, V0_19_6p1, V0_19_5, SFATEST, V0_19_4, V0_19_4_pre3, V0_19_4_pre2, V0_19_4_pre1, V0_19_3, V0_19_2, V0_19_1, V0_19_0, V0_18_5, V0_18_4, V_18_3_TEST, VO_18_3, V0_18_2, V0_18_1
Branch point for: v103_branch, V1_pre1, SCRAM_V1_BRANCH, V0_19_4_B
Changes since 1.8: +14 -13 lines
Log Message:
IMport from V0_18_0

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27     print "$testfile is out of date relative to $file\n";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 williamc 1.9 use FileHandle;
57     my $fhw=FileHandle->new();
58     my $fh=FileHandle->new();
59     open ( $fhw, ">".$filename.".wk" ) ||
60     die "Unable to open $filename.wk ".$!."\n";
61     $fh->open($filename);
62     #print "Searching for ".$key."\n";
63     while ( <$fh> ) {
64     if ( $_=~/^\Q$key\E/o ) {
65 williamc 1.1 $update=1;
66 williamc 1.9 print $fhw $key.$rest."\n";
67 williamc 1.1 }
68 williamc 1.4 else {
69 williamc 1.9 print $fhw $_;
70 williamc 1.4 }
71 williamc 1.1 }
72 williamc 1.9 undef $fh;
73 williamc 1.1 if ( $update==0 ) {
74 williamc 1.9 print $fhw $key.$rest."\n";
75 williamc 1.1 }
76 williamc 1.9 undef $fhw;
77 williamc 1.1 copy "$filename.wk", $filename or croak "Unable to update file "
78     ."$filename $!\n";
79     }