87 lines
1.7 KiB
Perl
87 lines
1.7 KiB
Perl
package InfComp;
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use strict;
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use Carp;
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sub new {
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my $class = shift;
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my $instance = {
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DIFF => '',
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ERR => ''
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};
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return bless $instance;
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}
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sub GetLastError {
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my $self = shift;
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if (!ref $self) {croak "Invalid object reference"}
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return $self->{ERR};
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}
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sub GetLastDiff {
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my $self = shift;
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if (!ref $self) {croak "Invalid object reference"}
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return $self->{DIFF};
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}
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#
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# 0 - different
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# 1 - same
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# undefined - error
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#
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sub compare {
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my $self = shift;
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my $base = shift;
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my $upd = shift;
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if (!ref $self) {croak "Invalid object reference"}
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if (!$base||!$upd) {croak "Invalid function call -- missing required parameters"}
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# Compare the files.
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if ( !open FILE1, $base ) {
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$self->{ERR} = "Unable to open file: $base";
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return;
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}
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if ( !open FILE2, $upd ) {
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close FILE1;
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$self->{ERR} = "Unable to open file: $upd";
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return;
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}
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binmode(FILE1);
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binmode(FILE2);
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my $sect = "";
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my $match = 1;
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my ($l1,$l2) = ("", "");
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do {
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# Process the next line in each file.
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$l1 = <FILE1>;
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$l2 = <FILE2>;
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$l1 =~ s/^DriverVer.*//i;
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$l2 =~ s/^DriverVer.*//i;
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} while ( defined $l1 and defined $l2 and $l1 eq $l2 );
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close FILE1;
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close FILE2;
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if ( !defined $l1 and !defined $l2 ) {
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# Files match.
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return 1;
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}
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if ( !defined $l1 ) {
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$self->{DIFF} = "$base shorter than $upd.";
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}
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elsif ( !defined $l2 ) {
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$self->{DIFF} = "$upd shorter than $base.";
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}
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else {
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$self->{DIFF} = "\nMismatch: $l1\n$l2\n";
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}
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return 0;
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}
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1;
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