12-05-2017
Having two input files and hoping to get a third output file with no explanation of the logic to be used to make those changes is not at all likely to get you what you want.
Please tell us what operating system you're using.
Please tell us what shell you're using.
Please clearly explain exactly what text should be added to file 2 when certain conditions are met.
Please clearly explain exactly what conditions need to occur to cause a change to be made to file 2.
Note that putting <space>, <tab>, or (especially) <newline> characters in a filename makes it less likely that people writing scripts to use your file will actually handle your file correctly.
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