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🔍 See Original Answer on Ask Ubuntu ⧉ 🔗
URL:
https://askubuntu.com/q/1051609
Title:
Running a Bash while loop over all similar files
ID:
/2018/07/02/Running-a-Bash-while-loop-over-all-similar-files
Created:
July 2, 2018
Edited: July 3, 2018
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September 15, 2024
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From this Stack Overflow answer: List files that only have number in names:
find . -regex '.*/[0-9]+\.tst'
OR
Using find also has advantages when you want to do something with the files, e.g. using the built-in -exec, -print0 and pipe to xargs -0 or even (using Bash):
while IFS='' read -r -d '' file
do
# ...
done < <(find . -regex '.*/[0-9]+\.tst' -print0)
Note the other answers here my include files that aren’t numbers if the filename starts with a digit. The answer posted here does not though. For example:
$ ls *.tst
12tst.tst 1.tst 2.tst
$ find . -maxdepth 1 -regex '.*/[0-9]+\.tst'
./1.tst
./2.tst
NOTE: Use -maxdepth 1 argument to only list numbered files in the current directory and not in sub-directories.