hard20 pts · first answer countslinuxbashsed

sed -i works on Linux, not on a Mac

A script runs sed -i 's/old/new/' config.ini. It works on Ubuntu but on a macOS laptop fails with "invalid command code". Why?

A.macOS sed does not support the s commandB.The single quotes must be double quotes on macOSC.macOS needs sudo for any in-place editD.BSD sed needs a backup suffix after -i, such as -i ''

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sed -i works on Linux, not on a Mac

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