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Title: How to test strings for lexicographic less than or equal in Bash?
ID: /2017/05/01/How-to-test-strings-for-lexicographic-less-than-or-equal-in-Bash_
Created: May 1, 2017    Edited:  June 22, 2017
Upload: November 24, 2022    Layout:  post
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You can flip the comparison and sign around and test negatively:

$ a="abc"
$ b="abc"
$ if ! [[ "$b" > "$a" ]] ; then  echo "a <= b" ; fi
a <= b

If you want collating sequence of “A” then “a” then “B”… use:

shopt -s nocaseglob
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