Manuel Kaufmann avatar Manuel Kaufmann committed 5108bba

unset GREP_OPTIONS before to use grep

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 # If the path is relative, prefix it with $HOME
 # (note: for compatibility)
-if echo "$WORKON_HOME" | grep -e '^[^/~]' > /dev/null
+if echo "$WORKON_HOME" | (unset GREP_OPTIONS; grep -e '^[^/~]' > /dev/null)
 # path might contain stuff to expand.
 # (it might be possible to do this in shell, but I don't know a
 # cross-shell-safe way of doing it -wolever)
-if echo "$WORKON_HOME" | egrep -e "([$~]|//)" >/dev/null
+if echo "$WORKON_HOME" | (unset GREP_OPTIONS; egrep -e "([$~]|//)" >/dev/null)
     # This will normalize the path by:
     # - Removing extra slashes (e.g., when TMPDIR ends in a slash)
 # Verify that virtualenv is installed and visible
 virtualenvwrapper_verify_virtualenv () {
-    typeset venv=$(\which virtualenv | grep -v "not found")
+    typeset venv=$(\which virtualenv | (unset GREP_OPTIONS; grep -v "not found"))
     if [ "$venv" = "" ]
         echo "ERROR: virtualenvwrapper could not find virtualenv in your path" >&2
     # NOTE: DO NOT use ls here because colorized versions spew control characters
     #       into the output list.
     # echo seems a little faster than find, even with -depth 3.
-    (cd "$WORKON_HOME"; for f in */bin/activate; do echo $f; done) 2>/dev/null | sed 's|^\./||' | sed 's|/bin/activate||' | sort | egrep -v '^\*$'
+    (cd "$WORKON_HOME"; for f in */bin/activate; do echo $f; done) 2>/dev/null | sed 's|^\./||' | sed 's|/bin/activate||' | sort | (unset GREP_OPTIONS; egrep -v '^\*$')
 #    (cd "$WORKON_HOME"; find -L . -depth 3 -path '*/bin/activate') | sed 's|^\./||' | sed 's|/bin/activate||' | sort
         echo "Please specify target virtualenv"
         return 1
-    if echo "$WORKON_HOME" | grep -e "/$" > /dev/null
+    if echo "$WORKON_HOME" | (unset GREP_OPTIONS; grep -e "/$" > /dev/null)
         typset env_home="$WORKON_HOME"
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