Current File : //usr/share/doc/perl-File-Temp-0.23.01/misc/benchmark.pl
#!/usr/bin/perl -w
eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}'
if 0; # not running under some shell
# Simple benchmark of temporary file creation (no filename just a handle)
# Uses the following:
# - temporary file creation created by IO::File
# - temporary file creation using File::Temp (uses security checking)
# - A roll-our-own wrapper on top of POSIX::tempnam (essentially
# a compact form of File::Temp without all the extras) taken from
# the Perl cookbook
# Would not
use strict;
use Benchmark;
use IO::File;
use POSIX qw/ tmpnam /;
use File::Temp qw/ tempfile /;
use Symbol;
# Benchmark IO::File and File::Temp
timethese(10000, {
'IO::File' => sub {
my $fh = IO::File::new_tmpfile || die $ !;
},
'File::Temp::tempfile' => sub {
my $fh = tempfile() || die $ !;
},
'POSIX::tmpnam' => sub {
my $fh = gensym;;
my $name;
for (;;) {
$name = tmpnam();
sysopen( $fh, $name, O_RDWR | O_CREAT | O_EXCL )
&& last;
}
unlink $name;
}
}
);
Mini Shell