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Renaming multiple files - corresponding to a list in file

rated 0 times [ 0] [ 0] / answers: 1 / hits: 1678 / 1 Year ago, wed, january 18, 2023, 1:33:38

I am new learner of Linux - Ubuntu. I need to rename a large number of files (keeping same extension) corresponding to a list of names in a file. I have a list of names in a text file.

For example

Current filename => New filename

GCA_001340506.1_ASM54621.fna => wax.fna

GCF_0133435.1_ASM4354653.fna => strains2213.fna

I need to rename current filename with the new filename. As we can see, I need two things first to match the corresponding filename and then rename it.

I cannot find a proper way to complete this task. Kindly help me in this regard.

Awan

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itutejagua

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answered 1 Year ago homerurhyth · Accepted Answer

I created the following function.
you have to use in this way:

$ furqan_mv filenames.txt

the file filenames.txt must have the following format:

oldfile => newfile

the extension is always fna.
Here is the function:

furqan_mv() {

ext=".fna"

while IFS= read -r line; do

    oldfile=`echo $line | awk '{print $1}'`

    newfile=`echo $line | awk '{print $3}'`

    mv $oldfile.$ext $newfile.$ext

done < $1

}