#! /u/ss/bin/perl -w $pattern=qr/ ( ^[^=|#]*=\s*\(DESCRIPTION\s*=\s* \(ADDRESS_LIST\s*=\s*\(ADDRESS\s*=\s* \(COMMUNITY\s*=\s*[^)]*\)\s*\(PROTOCOL\s*=\s*TCP\)\s* \(HOST\s*=\s*[^)]*\)\s*\(PORT\s*=\s*\d+\)\s*\)\s*\)\s* \(CONNECT_DATA\s*=\s*\(SID\s*=\s*[^)]*\)\s*\)\s* \)\s* ) /x; open FILE,"tnsnames.ora" or die $!; {local $/=undef; $_ = ; } close FILE; print "This is tnsnames.ora\n"; @sections=/$pattern/g; foreach $el (@sections) { print $el; } @sorted=sort @sections; open FILE,"tns.log" or die $!; {local $/=undef; $_ = ; } close FILE; @sections=/$pattern/g; print "This is tns.log\n"; foreach $el (@sections) { print $el; } $x=pop @sorted || ''; print "This is $x\n"; $y=pop @sections || ''; print "This is y: $y\n"; while( $x || $y ){ if( $x gt $y ){ #print "missing from file1: $x\n"; $x = pop @sorted || ''; }elsif( $y gt $x ){ #print "missing from file2: $y\n"; $y = pop @sections || ''; }else{ $x = pop @sorted || ''; $y = pop @sections || ''; } }