X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=linux_usr%2Fv3_vncclient;h=c84a288b7b2a7b39d57284c3256fdf5a895014cc;hb=1fcc40a92f8cadc3d6ed3f56abc316c11043bc80;hp=3aca8865c410761a100563cb818cdb5cae259e14;hpb=e30e35a15e2350e77f71e5b052b5a67a77cdf267;p=palacios.git

diff --git a/linux_usr/v3_vncclient b/linux_usr/v3_vncclient
index 3aca886..c84a288 100755
--- a/linux_usr/v3_vncclient
+++ b/linux_usr/v3_vncclient
@@ -8,6 +8,24 @@ $password = "";
 &GetOptions("port=i"=>\$port, "password=s"=>\$password);
 
 
+if (!on_path("vncviewer")) { 
+  print "You do not have vncviewer available on your PATH.\n";
+  print "v3_vncclient requires this functionality.\n";
+  print "You probably need to install vncviewer (e.g., yum install vncviewer)\n";
+  exit -1;
+}
+
 system "vncviewer localhost:$port\n";
 
 
+
+
+sub on_path {
+  my $x = `which $_[0] 2>&1`;
+  if (!defined($x) || $x=~/no $_[0] in/) {
+    return 0;
+  } else {
+    return 1;
+  }
+}
+