pico /usr/bin/scrub
# Remove all comments and empty lines
sed -e ‘s/#.*//’ -e ‘s/[ ^I]*$//’ -e ‘/^$/ d’ $1
chmod 755 /usr/bin/scrub
pico /usr/bin/clrspace
# Remove all leading and trailing whitespace from each line;
sed ‘s/^[ t]*//;s/[ t]*$//’ $1
chmod 755 /usr/bin/clrspace
now you can simply run
scrub filename
clrspace filename
