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本帖最后由 龙牙地主天 于 2017-08-28 17:15 编辑
for arg
等同于
for arg in "$@"
- for name [ [ in [ word ... ] ] ; ] do list ; done
- The list of words following in is expanded, generating a list of items. The variable name is set to each element of this list in turn, and list
- is executed each time. If the in word is omitted, the for command executes list once for each positional parameter that is set (see PARAMETERS
- below). The return status is the exit status of the last command that executes. If the expansion of the items following in results in an empty
- list, no commands are executed, and the return status is 0.
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