Which one of these commands is correct?A: sed -E 's/\b(\w+)\b/echo \1 | rev/g' file.txtB: sed 's/\b\w+\b/echo & | rev/ge' file.txtC: sed -E 's/(\w+)/$(echo \1 | rev)/g' file.txtD: sed 's/\([a-zA-Z]\+\)/\n&\n/g; s/\n\(.*\)\n/\3\2\1/g; s/\n//g' file.txtChatty was so kind to transcribe. May contain errors.
Usually such things have a simple explanation. systemd does a lot with time and date, for example scheduling tasks. It's quite obvious that it has this capabilities, when you think about it.
Chatty was so kind to transcribe. May contain errors.