with the command rar from non-free: -------------------------------------
rar x testingbugs.rar te[sting RAR 5.30 beta 2 Copyright (c) 1993-2015 Alexander Roshal 4 Aug 2015 Trial version Type RAR -? for help Extracting from testingbugs.rar Creating te[sting OK Extracting te[sting/errorengrampa OK All OK ------------------------------- rar x testingbugs.rar te\[sting RAR 5.30 beta 2 Copyright (c) 1993-2015 Alexander Roshal 4 Aug 2015 Trial version Type RAR -? for help Extracting from testingbugs.rar Creating te[sting OK Extracting te[sting/errorengrampa OK All OK --------------------------- rar x testingbugs.rar te\\\[sting RAR 5.30 beta 2 Copyright (c) 1993-2015 Alexander Roshal 4 Aug 2015 Trial version Type RAR -? for help Extracting from testingbugs.rar No files to extract ------------------------------- rar x works perfectly with [ or \[ , but not with \\\[ why unar needs \\\[ to extract [ names ?
