Added scripts to modify PATH. Useful for testing the scripts without copying them anywhere.

primitives/absolutedir

@@ -0,0 +1,5 @@
+#!/bin/sh
+while [ "$1" != "" ] ; do
+ if [ -d "$1" ] ; then echo $(cd "$1" ; pwd) ; fi
+ shift 1
+done

primitives/addsubdirstopath

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+absolutedir () {
+ while [ "$1" != "" ] ; do
+  if [ -d "$1" ] ; then echo $(cd "$1" ; pwd) ; fi
+  shift 1
+ done
+}
+
+if [ -d "$1" ] ; then
+ DIR="$1"
+else
+ DIR="$(pwd)"
+fi
+export ALT_PATH="${PATH}"
+for directory in $(ls --file-type "$DIR" | grep '/' | sed 's/\///') ; do
+ export PATH="${PATH}:$(absolutedir $DIR/$directory)"
+done

primitives/togglepathadditions

@@ -0,0 +1,8 @@
+#!/bin/sh
+if [ "$ORIG_PATH" != "" ] ; then
+ ALT_PATH_LOCAL="${ORIG_PATH}"
+ export ALT_PATH="${PATH}"
+ export PATH="${ORIG_PATH_LOCAL}"
+else
+ echo "No original path to toggle." >&2
+fi

testenv

@@ -0,0 +1,3 @@
+#!/bin/sh
+. primitives/addsubdirstopath
+$SHELL