+sub do_gpg_agent() {
+ my $path=`which gpg-agent 2>/dev/null`;
+ chomp $path;
+ if (-x $path) {
+ return "gpg-agent --daemon --";
+ }
+ return ""
+}
+
+sub which_gpg() {
+ my $path=`which gpg2 2>/dev/null`;
+ if (!$path) {
+ $path=`which gpg 2>/dev/null`;
+ }
+ if (!$path) {
+ die("no gpg or gpg2");
+ }
+ chomp $path;
+ return $path;
+}
+