Handle atom standard output from atom.sh

atom.sh

@@ -1,5 +1,6 @@
 #!/bin/sh
 ATOM_PATH=/Applications/Atom.app
+ATOM_BINARY=$ATOM_PATH/Contents/MacOS/Atom
 
 if [ ! -d $ATOM_PATH ]; then sleep 5; fi # Wait for Atom to reappear, Sparkle may be replacing it.
 
@@ -8,7 +9,32 @@ if [ ! -d $ATOM_PATH ]; then
   exit 1
 fi
 
-open -a $ATOM_PATH -n --args --executed-from="$(pwd)" --pid=$$ $@
+while getopts ":whv-:" opt; do
+  case "$opt" in
+    -)
+      case "${OPTARG}" in
+        wait)
+          WAIT=1
+          ;;
+        help|version)
+          EXPECT_OUTPUT=1
+          ;;
+      esac
+      ;;
+    w)
+      WAIT=1
+      ;;
+    h|v)
+      EXPECT_OUTPUT=1
+      ;;
+  esac
+done
+
+if [ $EXPECT_OUTPUT ]; then
+  $ATOM_BINARY --executed-from="$(pwd)" --pid=$$ $@
+else
+  open -a $ATOM_PATH -n --args --executed-from="$(pwd)" --pid=$$ $@
+fi
 
 # Used to exit process when atom is used as $EDITOR
 on_die() {
@@ -16,16 +42,6 @@ on_die() {
 }
 trap 'on_die' SIGQUIT SIGTERM
 
-# Don't exit process if we were told to wait.
-while [ "$#" -gt "0" ]; do
-  case $1 in
-    -W|--wait)
-      WAIT=1
-      ;;
-  esac
-  shift
-done
-
 if [ $WAIT ]; then
   while true; do
     sleep 1