Easy to use shell small programming

1 "Judge input as number, character or other

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2 "Averaging:

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3 "self-reducing output:

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4. Add a prefix to the file:

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5 "Batch test file is present:

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6 "用指定大小文件填充硬盘

Mount after formatting with the specified size file:

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7 "Read the configuration file by traversing the method

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8 "Simple Regular expression application

1> matches normal characters and outputs sequentially:

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2> test whether the input is an integer:

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Easy to use shell small programming