remove -e option from all calls to grep for better portability; fixes #85

Author: dhellmann

virtualenvwrapper.sh

@@ -80,7 +80,7 @@ virtualenvwrapper_derive_workon_home() {
 
     # If the path is relative, prefix it with $HOME
     # (note: for compatibility)
-    if echo "$workon_home_dir" | (unset GREP_OPTIONS; \grep -e '^[^/~]' > /dev/null)
+    if echo "$workon_home_dir" | (unset GREP_OPTIONS; \grep '^[^/~]' > /dev/null)
     then
         workon_home_dir="$HOME/$WORKON_HOME"
     fi
@@ -89,7 +89,7 @@ virtualenvwrapper_derive_workon_home() {
     # path might contain stuff to expand.
     # (it might be possible to do this in shell, but I don't know a
     # cross-shell-safe way of doing it -wolever)
-    if echo "$workon_home_dir" | (unset GREP_OPTIONS; \egrep -e '([\$~]|//)' >/dev/null)
+    if echo "$workon_home_dir" | (unset GREP_OPTIONS; \egrep '([\$~]|//)' >/dev/null)
     then
         # This will normalize the path by:
         # - Removing extra slashes (e.g., when TMPDIR ends in a slash)
@@ -571,7 +571,7 @@ cpvirtualenv() {
         echo "Please specify target virtualenv"
         return 1
     fi
-    if echo "$WORKON_HOME" | (unset GREP_OPTIONS; \grep -e "/$" > /dev/null)
+    if echo "$WORKON_HOME" | (unset GREP_OPTIONS; \grep "/$" > /dev/null)
     then
         typeset env_home="$WORKON_HOME"
     else