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gawkpath_default () {
	unset AWKPATH
	export AWKPATH=`gawk 'BEGIN {print ENVIRON["AWKPATH"]}'`
}

gawkpath_prepend () {
	[ -z "$AWKPATH" ] && AWKPATH=`gawk 'BEGIN {print ENVIRON["AWKPATH"]}'`
	export AWKPATH="$*:$AWKPATH"
}

gawkpath_append () {
	[ -z "$AWKPATH" ] && AWKPATH=`gawk 'BEGIN {print ENVIRON["AWKPATH"]}'`
	export AWKPATH="$AWKPATH:$*"
}

gawklibpath_default () {
	unset AWKLIBPATH
	export AWKLIBPATH=`gawk 'BEGIN {print ENVIRON["AWKLIBPATH"]}'`
}

gawklibpath_prepend () {
	[ -z "$AWKLIBPATH" ] && \
		AWKLIBPATH=`gawk 'BEGIN {print ENVIRON["AWKLIBPATH"]}'`
	export AWKLIBPATH="$*:$AWKLIBPATH"
}

gawklibpath_append () {
	[ -z "$AWKLIBPATH" ] && \
		AWKLIBPATH=`gawk 'BEGIN {print ENVIRON["AWKLIBPATH"]}'`
	export AWKLIBPATH="$AWKLIBPATH:$*"
}