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public shellscript v1 · immutablefunction header { HEADING=$1 echo "" echo ${HEADING//[[:print:]]/=} echo ${HEADING} echo ${HEADING//[[:print:]]/=}}header "ls -l output"ls -lfunction header { HEADING=$1 echo "" echo ${HEADING//[[:print:]]/=} echo ${HEADING} echo ${HEADING//[[:print:]]/=}}header "ls -l output"ls -l