#!perl
use strict;
use warnings;
use File::Spec;
use File::Temp;
my $dir = $ENV{EMAIL_SENDER_TRANSPORT_SENDMAIL_TEST_LOGDIR}
|| File::Temp::tempdir( CLEANUP => 1 );
my $logfile = File::Spec->catfile($dir, 'sendmail.log');
my $input = join '', <STDIN>;
open my $fh, '>', $logfile
or die "Cannot write to logfile $logfile: $!";
print $fh "CLI args: @ARGV\n";
if (defined $input && length $input) {
print $fh "Executed with input on STDIN\n$input";
} else {
print $fh "Executed with no input on STDIN\n";
}