Perhaps it's more readable/writeable with Awk: pbpaste | awk '{print " "$0}' | pbcopy Although this also seems to do the same thing pbpaste | sed

Perhaps it's more readable/writeable with Awk: pbpaste | awk '{print " "$0}' | pbcopy Although this also seems to do the same thing pbpaste | sed 's/^/ &/' | pbcopy