#NOTE: You MUST 'source' this.
#DON'T: !/bin/bash

#This is to remove the Borland compiler paths from PATH
#Install paths can be something like:
#
#	c:\PROGRAM\BC31_DOS\BIN
#	c:\PROGRAM\BC5\BIN
#
# which will contain / instead of \ in bash.
#
#grep PATTERN to look for (and remove)
sd="/bc"
hd=".rm_bc_paths:"

#lets have a copy of the current PATH
echo $PATH 				>/tmp/PATH

#replace ':' with linefeeds
tr ':' '\n' 			</tmp/PATH		>/tmp/PATHLF

#remove lines that contains $sd
grep -v -i "$sd"	</tmp/PATHLF 		>/tmp/PATH_CLEANLF1
#remove lines referring to /cygdrive/c
grep -v -i "/cygdrive/c" </tmp/PATH_CLEANLF1 >/tmp/PATH_CLEANLF

#restore :'s as separator,
# could be done w 'tr', but more control is required
cat /tmp/PATH_CLEANLF | ( 
	read d; 
	while [ ! -z "$d" ] ;do 
		echo -n "$d"; 
		read d; 
		if [ ! -z "$d" ] ;then 
			echo -n ":";
		fi; 
	done
)	>/tmp/PATH_CLEAN

#set the new clean path
export PATH=`cat /tmp/PATH_CLEAN`

#inform user...
diff -u0p /tmp/PATHLF /tmp/PATH_CLEANLF >/tmp/PATH_REMOVED
if [ `wc -w </tmp/PATH_REMOVED` -gt 0 ]
then
  echo "$hd --- Removed path(s) --- "
#  cat /tmp/PATH_REMOVED
#  echo "---"
	sed </tmp/PATH_REMOVED -rne "s,^-([^-].*)$,${hd} \1,p"
  echo "$hd --- end of list --- "
else
  echo "$hd \"$sd\" not found. No action taken"
fi

#cleanup
rm /tmp/PATH*
unset sd
unset hd