kernel/scripts/configcommon.pl
Roland McGrath 13cbc19d00 Restore README.txt, scripts.
(cherry picked from commit 11487c5358)
2010-08-01 16:02:27 -04:00

83 lines
1.5 KiB
Perl

#! /usr/bin/perl
my @args=@ARGV;
my @configoptions;
my @configvalues;
my @common;
my $configcounter = 0;
# first, read the 1st file
open (FILE,"$args[0]") || die "Could not open $args[0]";
while (<FILE>) {
my $str = $_;
if (/\# ([\w]+) is not set/) {
$configoptions[$configcounter] = $1;
$configvalues[$configcounter] = $str;
$common[$configcounter] = 1;
$configcounter ++;
} else {
if (/([\w]+)=/) {
$configoptions[$configcounter] = $1;
$configvalues[$configcounter] = $str;
$common[$configcounter] = 1;
$configcounter ++;
} else {
$configoptions[$configcounter] = "foobarbar";
$configvalues[$configcounter] = $str;
$common[$configcounter] = 1;
$configcounter ++;
}
}
};
# now, read all configfiles and see of the options match the initial one.
# if not, mark it not common
my $cntr=1;
while ($cntr < @ARGV) {
open (FILE,$args[$cntr]) || die "Could not open $args[$cntr]";
while (<FILE>) {
my $nooutput;
my $counter;
my $configname;
if (/\# ([\w]+) is not set/) {
$configname = $1;
} else {
if (/([\w]+)=/) {
$configname = $1;
}
}
$counter = 0;
$nooutput = 0;
while ($counter < $configcounter) {
if ("$configname" eq "$configoptions[$counter]") {
if ("$_" eq "$configvalues[$counter]") {
1;
} else {
$common[$counter] = 0;
}
}
$counter++;
}
}
$cntr++;
}
# now print the common values
my $counter = 0;
while ($counter < $configcounter) {
if ($common[$counter]!=0) {
print "$configvalues[$counter]";
}
$counter++;
}
1;