怪物 发表于 2025-3-28 14:55:50
http://reply.papertrans.cn/32/3192/319194/319194_41.pngMelodrama 发表于 2025-3-28 18:51:15
Comparisons and Testsatements (if/then and case) and iteration statements (while). They give you the ability to examine relationships between data items, such as files, variables, strings, and numeric values, and to take action based on the result. You can also carry out actions based on the attributes of a particular i神圣将军 发表于 2025-3-28 23:47:34
http://reply.papertrans.cn/32/3192/319194/319194_43.pngYourself 发表于 2025-3-29 03:36:14
http://reply.papertrans.cn/32/3192/319194/319194_44.png阻塞 发表于 2025-3-29 08:03:57
http://reply.papertrans.cn/32/3192/319194/319194_45.pngCommonplace 发表于 2025-3-29 13:20:53
http://reply.papertrans.cn/32/3192/319194/319194_46.png取回 发表于 2025-3-29 18:32:34
Piping Input to readf a fairly crucial difference in the behavior of the two shells. In both pdksh and bash, the last command of a pipeline is performed in a subshell. This means that a variable assigned within the subshell is not available to the parent shell. In ksh, the last command of a pipeline is executed in the光滑 发表于 2025-3-29 20:06:01
http://reply.papertrans.cn/32/3192/319194/319194_48.pngLoathe 发表于 2025-3-30 03:56:51
http://reply.papertrans.cn/32/3192/319194/319194_49.pngBLOT 发表于 2025-3-30 04:12:29
http://reply.papertrans.cn/32/3192/319194/319194_50.png