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In case elements of Array2 are identical to the ones of Array1 (which they are not, "new" - "New") and count of elements in Array2 is equal to the count of Array3 (which it is not, 3 - 4 due to space...

Assuming the directory structures are the same, i.e., 5 levels:


find /level1/level2/level3/*/logs -type f -mtime +30 -exec rm {} \;


TEST first:

find /level1/level2/level3/*/logs -type f...

You say (post #8) that you are using bash. Array indexing in bash starts from 0 and counts up to ${#arr[@]} - 1 , as stated earlier. In both your posts #8 and #10, you are starting the while loop for...

I assume this is the way to go; not sure if there is a shorter sed-stlye way to match first without having to use the if:

$ echo bazfoobar | perl -pe 'if($_ =~ /baz/){s/foo/bar/g}'
bazbarbar

...