what is this doing?

[arcnon]

Is this looping while the line is less than 2358?
If not what is it doing?

while ( [ $((loop)) -lt 2358 ] ) 
do 
    ...
done

any help would be appreciated

 

[PHV]

Seems that loop is a counter.
In the do ... done body you must see some calculation with this variable.

Hope This Helps, PH.
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