Remove comments and whitespaces with sed

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


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