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Write a Bourne Shell script called myMv.sh (which simulates the GNU utility mv) that tries to rename the specified file (using the GNU utility mv),

Write a Bourne Shell script called "myMv.sh" (which simulates the GNU utility mv) that tries to rename the specified file (using the GNU utility mv), but if the destination file exists, instead creates an index number to append to the destination file, a sort of version number. So if I type:$myMv.sh a.txt b.txt but b.txt already exists, myMv.sh will move the file to b.txt.1. Note that if b.txt.1 already exists, you must rename the file to b.txt.2, and so on, until you can successfully rename the file to a name that does not already exist.

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