wrapped use of xprop with a check that it exists.

diff --git a/customizing/fred/scripts/ssh.sh b/customizing/fred/scripts/ssh.sh
index 13d57fa3cfceea4126362bc2ef8bdec961fcc7df..4d006037ecf7dc91e89e80cc270681e0b9873c76 100644 (file)
--- a/customizing/fred/scripts/ssh.sh
+++ b/customizing/fred/scripts/ssh.sh
@@ -6,8 +6,11 @@ source "$FEISTY_MEOW_LOADING_DOCK/custom/scripts/pick_credentials.sh"
 
 # save the former terminal title if we're running in X with xterm.
 prior_title=
-if [ "$TERM" == "xterm" ]; then
-  prior_title="$(xprop -id $WINDOWID | perl -nle 'print $1 if /^WM_NAME.+= \"(.*)\"$/')"
+which xprop &>/dev/null
+if [ $? -eq 0 ]; then
+  if [ "$TERM" == "xterm" ]; then
+    prior_title="$(xprop -id $WINDOWID | perl -nle 'print $1 if /^WM_NAME.+= \"(.*)\"$/')"
+  fi
 fi
 
 # force the TERM variable to a more generic version for other side.