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The UNIX School: 5 different ways of doing Arithmetic operations in UNIX
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日期：2026-04-23
$ let z=x+y $ echo $z 7 let can work with unary operators as shown below: $ let z=++z $ echo $z 8 5. The awk command used as shown below to do the arithmetic operations of shell variables. $ echo "" | awk '{print '$x' + '$y'}' 7 Enjoy Arithmetic!!! Note: ...看更多
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