Web条件判断. 本章介绍 Bash 脚本的条件判断语法。 if 结构. if是最常用的条件判断结构，只有符合给定条件时，才会执行指定的命令。它的语法如下。 if commands; then; commands [elif commands; thencommands...] [elsecommands]; fi; 这个命令分成三个部分：if、elif和else。其中，后两个部分是可选的。 Web条件判断是根据一个或多个条件的结果来进行判断的。 例如一个自动调温器需要不停地检测温度，只要温度低于某个值，就会打开加热，而温度高于某个值，就要打开降温。这里需要将温度值进行比较，然后做出判断，有一…

Cmake中的条件判断if/elseif/else - 简书

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