erge text files ordered by numerical filenames in Bash

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南旧
南旧 2021-01-14 06:50

Is there any way to concatenate multiple text files in numerical order of the file names with one bash command ?

I tried this, but for some reason, the first three l

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  •  醉梦人生
    2021-01-14 06:54

    Adding this answer, only because the currently accepted answer suggests a bad practice. & In future, Hellmar may land in exact same problem I faced once. : Cannot delete an accepted answer.

    Anyway, this should be the safe answer:

    printf "%s\0" *txt | sort -zn | xargs -0 cat > all.txt
    

    Here, entire pipeline has file names delimited by a NULL character. A NULL character is only character that cannot be part of file name.

    Also, if all the filenames have same structure, (say file0001.txt, file0002.txt etc), then this code should work just as good:

    cat file[0-9][0-9][0-9][0-9].txt > all.txt
    

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