



	Lab 9 Solutions

	2.	sed -n /RE/p

	3.	sort "+3" listp | sed -f areas.sed

                areas.sed, area names listed above lines:

                   /213-/i\
		   LA
                   /714-/i\
		   Orange
                   /303-/i\
		   Denver

                areas.sed, area names listed in front:

                   /213-/s/^/LA     /
                   /714-/s/^/Orange /
                   /303-/s/^/Denver  /

	5.	#--- Script to search PATH for $1
		
		if [ $# -ne 1 ] ; then
		   echo "Usage: $0 file_to_be_found_in_PATH"
		   exit 1
		fi

		for f in `echo $PATH | sed "s/:/ /g"`
		do
		   if [ -f $f/$1 ] ; then
		      print $f/$1
		   fi
		done
