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I want to do the following on a bash script:

I want the user to enter a file name and the bash script must move the file to another file as follows. If the user enters input.tex, I want to move this file to another file named inputmerged.tex.

I have the following bash script named myscript.sh:

#!/bin/bash
mv $1 $2

The above however needs to be run as ./myscript input.tex inputmerged.tex The second input is redundant, since the new file, which I move to, is of the same type and always has the word merged appended at the end of the first filename. How should I do it to get rid of the second input in the bash script?

Thanks

1 Answer 1

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Something like:

NEWFILE=`echo ${1} | sed "s/\./merged./"`
mv "${1}" "${NEWFILE}"

This will however fail if there are multiple . characters in the name.

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