diff --git a/scripts/Bootstrap/Pmodules/bash b/scripts/Bootstrap/Pmodules/bash
index 76247d8..0683631 100644
--- a/scripts/Bootstrap/Pmodules/bash
+++ b/scripts/Bootstrap/Pmodules/bash
@@ -42,7 +42,7 @@ export -f module
 #############################################################################
 # helper functions
 #
-append_path () {
+std::append_path () {
 	local -r P=$1
 	local -r d=$2
 
@@ -55,40 +55,14 @@ append_path () {
 	fi
 }
 
-prepend_path () {
-	local -r P=$1
-	local -r d=$2
-
-        if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
-		if [[ -z ${!P} ]]; then
-			eval $P=${d}
-		else
-			eval $P="${d}:${!P}"
-        	fi
-	fi
-}
-
-prepend_path () {
-	local -r P=$1
-	local -r d=$2
-
-        if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
-		if [[ -z ${!P} ]]; then
-			eval $P=${d}
-		else
-			eval $P="${d}:${!P}"
-        	fi
-	fi
-}
-
 #
 # Replace or remove a directory in a path variable.
 #
 # To remove a dir:
-#	replace_path PATH <pattern>
+#	std::replace_path PATH <pattern>
 #
 # To replace a dir:
-#	replace_path PATH <pattern> /replacement/path
+#	std::replace_path PATH <pattern> /replacement/path
 #
 # Args:
 #	$1 name of the shell variable to set (e.g. PATH)
@@ -98,7 +72,7 @@ prepend_path () {
 # Based on solution published here:
 # https://stackoverflow.com/questions/273909/how-do-i-manipulate-path-elements-in-shell-scripts 
 #
-replace_path () {
+std::replace_path () {
 	local -r path=$1
 	local -r removepat=$2
 	local -r replacestr=$3
@@ -127,12 +101,12 @@ declare -x _LMFILES_=''
 declare -x PMODULES_USED_GROUPS=''
 declare -x MODULEPATH=''
 for group in ${PMODULES_DEFAULT_GROUPS//:/ }; do
-	append_path MODULEPATH "${PMODULES_ROOT}/${group}/${PMODULES_MODULEFILES_DIR}"
-	append_path PMODULES_USED_GROUPS "${group}"
+	std::append_path MODULEPATH "${PMODULES_ROOT}/${group}/${PMODULES_MODULEFILES_DIR}"
+	std::append_path PMODULES_USED_GROUPS "${group}"
 done
 declare -x UsedReleases=''
 for r in ${PMODULES_DEFAULT_RELEASES//:/ }; do
-	append_path UsedReleases "${r}"
+	std::append_path UsedReleases "${r}"
 done
 
 eval $(save_env UsedReleases PMODULES_DEFAULT_RELEASES PMODULES_DEFAULT_GROUPS PMODULES_DEFINED_RELEASES)
@@ -141,9 +115,9 @@ unset PMODULES_DEFAULT_RELEASES
 unset PMODULES_DEFAULT_GROUPS
 unset PMODULES_DEFINED_RELEASES
 
-replace_path PATH    "${PMODULES_HOME%/*}/.*"
-replace_path MANPATH "${PMODULES_HOME%/*}/.*"
-append_path  PATH    "${PMODULES_HOME}/bin"
+std::replace_path PATH    "${PMODULES_HOME%/*}/.*"
+std::replace_path MANPATH "${PMODULES_HOME%/*}/.*"
+std::append_path  PATH    "${PMODULES_HOME}/bin"
 
 if [[ -r /etc/man.config ]]; then
 	declare _manconf='/etc/man.config'
@@ -152,12 +126,12 @@ elif [[ -r /etc/man.conf ]]; then
 fi
 if [[ -n ${_manconf} ]]; then
 	while read name value rest; do
-		append_path MANPATH "${value}"
+		std::append_path MANPATH "${value}"
 	done < <(grep "^MANPATH\s" "${_manconf}")
 	unset _manconf
 else
-	append_path  MANPATH "${PMODULES_HOME}/share/man"
-	append_path  MANPATH "/usr/share/man"
+	std::append_path  MANPATH "${PMODULES_HOME}/share/man"
+	std::append_path  MANPATH "/usr/share/man"
 fi
 
 #############################################################################