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The following script may do what you want (I have it set to echo what it would do, rather than actually do it, so you can see) #!/bin/bash # This variable will always be in lower case. That means that if you do # l=Hello the result will be $l==hello. typeset -l l for f in * do l=$f # Forces to lowercase due to typeset if [ "$l" != "$f" -a -e "$l" ] ...



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