[R] Batch file rename basing on a look up table need help_New to R_A little bit complicated

[wxx3dodu]

Hello, all
I'm pretty new to R and I wish to accomplish the following task

I have many files need to do this task. I simplify the situation to five
files. Their names are
001
232
242
123
132

I'd like to change the name of each file (column 1) to the name in column 2
in the following table
column1    column2
001              ewr
232              eda
242              gdg
123              sgs
132              ger

I'm wondering if anyone could point out a way to do it.
Thank you very much in advance!



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