Question 38906 in Ubuntu Question posted in
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List all files that have letter e as nth character in their name – Linux – Ubuntu

I want to list all the files having e as the nth character in their name in the current directory.

I tried this, but it’s not working:

find -regextype posix-egrep -regex '^./[e]{5}.txt$'
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2

Answers


  1. 0

    want to list all the files having e as the nth character in their name in the current directory.

    You may use:

    find . -maxdepth 1 -regextype posix-egrep -regex '^./.{4}e.*'

    Regex breakdown:

    • ^: Start
    • ./: Match ./
    • .{4}: Match any 4 characters
    • e: Match letter e
    • .*: Match any text
    • -maxdepth 1 finds entries in current directory only

    Or using print and glob:

    printf '%sn' ????e*

    Here:

    • ????: Match any 4 characters
    • e: Match e
    • *: Match any text
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  2. 0

    Why don’t you just use the standard wildcard stuff from bash? As in an example where you want e as the fourth character:

    pax.diablo@ubuntu:/home/pax.diablo/test_dir> ls -1d ???e*
ragemix
Makefile

    That’ll expand to any file (in the widest sense of the word) in the current directory starting with three characters followed by an e.

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