CS计算机代考程序代写 c/c++ Java CS246-F20-01-UnixShell
CS246-F20-01-UnixShell Lecture 1.15 • Writing bash scripts – shift, if, case CS246 shift • shift [N] destructively shifts (“eats”) parameters to the left N positions i.e., ${1}=${N+1}, ${2}=${N+2}, …, also, ${#} is reduced by N – If no N, 1 is assumed. – If N is 0 or greater than ${#}, there is no shift […]
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