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lang-bash
--min-value=0\<newline> --max-value=5000, it should be OK, the\<newline>is removed but that's still--min-value=0 --max-value=5000so both options are separated (because of the spaces at the start of the--max-value. There are issues with unquoted variables though, and the fact that$?that the OP is checking is the exit status of the[command, not thezenfunction.