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find-runtime-roots.pl: Use Nix::Utils::readFile

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This commit is contained in:
Eelco Dolstra 2013-04-26 11:44:19 +02:00
parent 772b70952f
commit 938092a213
1 changed files with 15 additions and 19 deletions
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34
scripts/find-runtime-roots.pl.in
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@ -1,22 +1,21 @@
#! @perl@ -w
#! @perl@ -w @perlFlags@
use strict;
my $procDir = "/proc";
use Nix::Utils;
sub readProc {
return unless -d $procDir;
return unless -d "/proc";
opendir DIR, "/proc" or return;
opendir DIR, $procDir or return;
foreach my $name (readdir DIR) {
next unless $name =~ /^\d+$/;
my $process = "$procDir/$name";
my $process = "/proc/$name";
#print STDERR "=== $process\n";
my $target;
print "$target\n" if $target = readlink "$process/exe";
print "$target\n" if $target = readlink "$process/cwd";
@ -58,18 +57,15 @@ readProc;
lsof;
sub readFile {
my $path = shift;
if (-e $path) {
if (open FILE, "$path") {
while (<FILE>) {
print;
}
close FILE;
}
sub printFile {
my ($fn) = @_;
if (-e $fn) {
print Nix::Utils::readFile($fn), "\n";
}
}
# This is rather NixOS-specific, so it probably shouldn't be here.
readFile "/proc/sys/kernel/modprobe";
readFile "/proc/sys/kernel/fbsplash";
printFile "/proc/sys/kernel/modprobe";
printFile "/proc/sys/kernel/fbsplash";
printFile "/proc/sys/kernel/poweroff_cmd";