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$'.env\r'would be a clearer / more readable way to write it, with the whole thing inside C-escape-expanding quotes. Oh, but that is howls --quoting-style=shell-escape .env*prints it, unfortunately, if Itouchthat filename first. This looks like a good use-case forrm -i .env?or.env*as another answer points out.ls, it has nothing to do with Linux.