[Techtalk] Looping with numbers in filenames

[Michelle Konzack]

Hello David Sumbler,

Am 2011-02-15 16:49:08, hacktest Du folgendes herunter:
> I have some sets of files which have names such as file1.txt,
> file2.txt ... file25.txt.
> 
> I want to perform an operation on all the files:in other words, I need
> to be able to do something like
> 
> for integer = str(1 to 25)
>      do something to file$integer.txt
> next
> 
> How can I do this at the bash input?

    for NUM in $(seq 1 25)
    do
      file${NUM}.txt
    done

and if the Files have an equal width, use

    for NUM in $(seq --equal-width 1 25)
    do
      file${NUM}.txt
    done

which prefix the 1-9 with a 0.

Thanks, Greetings and nice Day/Evening
    Michelle Konzack

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