gpg-key2ps, keylookup: make them less dependent on specific

[pgp-tools.git] / keylookup / keylookup

diff --git a/keylookup/keylookup b/keylookup/keylookup
index 44fae86d1999b5a60f1f71e47e336975d2bf062e..e069289f670f75d6dce5d04783b11cc786331ff3 100755 (executable)
--- a/keylookup/keylookup
+++ b/keylookup/keylookup
@@ -17,14 +17,14 @@
 #
 #   You should have received a copy of the GNU General Public License
 #   along with this program; if not, write to the Free Software Foundation,
-#   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 #
 # Keylookup is part of pgp-tools:
 #           http://pgp-tools.alioth.debian.org/
 #           svn://svn.debian.org/pgp-tools/trunk/
 #           http://svn.debian.org/wsvn/pgp-tools/trunk/
 
-delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV', 'PATH'};
+delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
 $|=1; # Always flush buffers
 
 
@@ -35,11 +35,6 @@ use Getopt::Long;
 
 my $version = '3.0 ($Id$)';
 
-# Where to find GnuPG's options file.
-# Full path to the dialog and whiptail executeable.
-my $Dialog = '/usr/bin/dialog';
-my $Whiptail = '/usr/bin/whiptail';
-
 # Strings to use in the dialog|whiptail frontend
 my $TITLE = 'Import Keys';
 my $BACKTITLE = 'KeyLookup $Revision$';
@@ -232,14 +227,14 @@ sub selectKeys {
        $frontend = 'dialog' unless (defined $frontend);
 
        if ($frontend eq 'dialog') {
-               unless (-x $Dialog) {
-                       warn("Dialog ($Dialog) not executeable/installed. Falling back to Whiptail\n");
+               unless (`which dialog` && $? == 0) {
+                       warn("Dialog not executeable/installed. Falling back to Whiptail\n");
                        $frontend = 'whiptail';
                }
        };
        if ($frontend eq 'whiptail') {
-               unless (-x $Whiptail ) {
-                       warn("Whiptail ($Whiptail) not executeable/installed. Falling back to plain\n");
+               unless (`which whiptail` && $? == 0 ) {
+                       warn("Whiptail not executeable/installed. Falling back to plain\n");
                        $frontend = 'plain';
                }
        };
@@ -247,7 +242,7 @@ sub selectKeys {
        if ( $frontend eq 'dialog' ) {
                calcDialogSize;
                my @ARGS = (
-                       $Dialog,
+                       'dialog',
                        '--backtitle',
                        $BACKTITLE,
                        '--separate-output',
@@ -261,7 +256,7 @@ sub selectKeys {
        } elsif ( $frontend eq 'whiptail' ) {
                calcDialogSize;
                my @ARGS = (
-                       $Whiptail,
+                       'whiptail',
                        '--backtitle',
                        $BACKTITLE,
                        '--separate-output',