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#
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# Utility Routines for the SCRAM tools
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#
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# Interface
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#
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# dated(testfile,@dependencies) : returns 1 if testfile is older than any of its
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# dependencies or does not exist
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package SCRAMUtils;
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require 5.001;
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require Exporter;
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@ISA = qw(Exporter);
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@EXPORT = qw(checkfile updatelookup dated);
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use Carp;
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sub dated {
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my $testfile=shift;
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my @files=@_;
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my $rv=0;
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if ( -f $testfile ) {
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my $time=(stat($testfile))[9];
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foreach $file ( @files ) {
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if ( -f $file ) {
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if ( (stat($file))[9] > $time ) {
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$rv=1;
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print "$testfile is out of date relative to $file\n";
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}
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}
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}
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}
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else { $rv=1; }
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return $rv;
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}
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sub checkfile {
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my $filename=shift;
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my $thisfile="";
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$thisfile=$ENV{LOCALTOP}."/".$filename;
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return $thisfile, if ( -e $thisfile );
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$thisfile=$ENV{RELEASETOP}."/".$filename;
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return $thisfile, if ( -e $thisfile );
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return "";
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}
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#
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# Replace or add an entry in a hashing file
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#
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sub updatelookup {
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my $filename=shift;
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my $key=shift;
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my $rest=shift;
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my $update=0;
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use File::Copy;
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local $_;
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use FileHandle;
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my $fhw=FileHandle->new();
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my $fh=FileHandle->new();
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open ( $fhw, ">".$filename.".wk" ) ||
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die "Unable to open $filename.wk ".$!."\n";
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$fh->open($filename);
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#print "Searching for ".$key."\n";
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while ( <$fh> ) {
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if ( $_=~/^\Q$key\E/o ) {
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$update=1;
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print $fhw $key.$rest."\n";
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}
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else {
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print $fhw $_;
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}
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}
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undef $fh;
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if ( $update==0 ) {
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print $fhw $key.$rest."\n";
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}
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undef $fhw;
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copy "$filename.wk", $filename or croak "Unable to update file "
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."$filename $!\n";
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}
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