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#!/usr/bin/perl -w
#
# Author: Artem B. Bityutskiy <dedekind@oktetlabs.ru>
#
# A small scrip which creates UBI device nodes in /dev. UBI allocates
# major number dynamically, so the script looks at /proc/devices to find
# out UBI's major number.
#
my $proc = '/proc/devices';
my $regexp = '(\d+) (ubi\d+)$';
open FILE, "<", $proc or die "Cannot open $proc file: $!\n";
my @file = <FILE>;
close FILE;
foreach (@file) {
next if not m/$regexp/g;
print "found $2\n";
system("rm -rf /dev/$2");
system("mknod /dev/$2 c $1 0");
for (my $i = 0; $i < 128; $i += 1) {
system("rm -rf /dev/$2_$i");
my $j = $i + 1;
system("mknod /dev/$2_$i c $1 $j");
}
}
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