blob: 44955a70698cfb365cf3f97cea34fabbca8245b9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
package Nix::Utils;
use utf8;
use File::Temp qw(tempdir);
our @ISA = qw(Exporter);
our @EXPORT = qw(checkURL uniq writeFile readFile mkTempDir);
$urlRE = "(?: [a-zA-Z][a-zA-Z0-9\+\-\.]*\:[a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*]+ )";
sub checkURL {
my ($url) = @_;
die "invalid URL '$url'\n" unless $url =~ /^ $urlRE $ /x;
}
sub uniq {
my %seen;
my @res;
foreach my $name (@_) {
next if $seen{$name};
$seen{$name} = 1;
push @res, $name;
}
return @res;
}
sub writeFile {
my ($fn, $s) = @_;
open TMP, ">$fn" or die "cannot create file '$fn': $!";
print TMP "$s" or die;
close TMP or die;
}
sub readFile {
local $/ = undef;
my ($fn) = @_;
open TMP, "<$fn" or die "cannot open file '$fn': $!";
my $s = <TMP>;
close TMP or die;
return $s;
}
sub mkTempDir {
my ($name) = @_;
return tempdir("$name.XXXXXX", CLEANUP => 1, DIR => $ENV{"TMPDIR"} // $ENV{"XDG_RUNTIME_DIR"} // "/tmp")
|| die "cannot create a temporary directory";
}
|
