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Questions on bash
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我也要 关注 + 加入社区Met some problems on bash programing:
1. how to read a line from file and save it into a variable?
2. how to reserve a string?
3. does reg exp support number caculation? how?
4. how to return value in a function and how to retrieve it outside function?
5. how to format the output string?
Thanks for your reply!
1. how to read a line from file and save it into a variable?
2. how to reserve a string?
3. does reg exp support number caculation? how?
4. how to return value in a function and how to retrieve it outside function?
5. how to format the output string?
Thanks for your reply!
...全文
