Issue #58: clean up prompt logic in todeClient ... also handle option arg to -p [ci skip]

Author: dalehenrich

Diff for: bin/createTodeImage

@@ -36,10 +36,11 @@ if [ "${GS_HOME}x" = "x" ] ; then
 fi
 
 postFix=""
-while getopts "hp:" OPT ; do
+while getopts ":hp:" OPT ; do
   case "$OPT" in
     h) usage; exit 0;;
     p) postFix="${OPTARG}";;
+    ?) postFix="";;          # handle optional -p argument "
     *) usage; exit 1;;
   esac
 done

Diff for: bin/todeClient

@@ -59,10 +59,11 @@ fi
 
 if [ ! -e $pharo/todeClient${postFix}.image ] ; then
   echo "The requested todeClient image: $pharo/todeClient${postFix}.image does not exist"
-  while true; do
-    read -p "Do you wish to create todeClient${postFix}?" yn
+  created="false"
+  while [ "$created" = "false" ] ; do
+    read -p "Do you wish to create todeClient${postFix}? [y/n]" yn
     case $yn in
-      [Yy]* ) $GS_HOME/bin/createTodeImage -p ${postFix};;
+      [Yy]* ) $GS_HOME/bin/createTodeImage -p ${postFix}; created="true" ;;
       [Nn]* ) exit 1;;
       * ) echo "Please answer yes or no.";;
     esac