Increment file number using zmv

batch-renamerenamezsh

I have a set of files that are named in the vein of "some_file-nameN", where N is a number starting at 1, incrementing, and ending somewhere between 10 and 30. I now need to insert a file at the start. How can I increment the number of the file using ZMV and ZSH?

Best Answer

  • Starting from the directory containing the files, and assuming the range is 1 to 30:

    for n in {30..1};
    mv some_file-name$n some_file-name$(( $n+1 ))
    
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