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That works when specifying a backup extension, but not if you don’t want to create a backup file. sed -i ‘’ ... works on BSD sed but not GNU. Meanwhile:

That works when specifying a backup extension, but not if you don’t want to create a backup file. sed -i ‘’ ... works on BSD sed but not GNU. Meanwhile: sed -i’’ ... sed -i ... both work on GNU but not BSD.

bewuethr 6y ago
Well, yes, you can't use it without creating a backup file, but it uses "-i" and is portable.