I have file whose name to be appended by a value in the same file
The value starts from the position 10 and ends at position 30 , this value is same in the whole file. We have to trim the spaces if it has any spaces at its end.
the file is fixed width file
values in test1
abc 34rtst kkkkdafdf
kfl 34rtst kjdfada;lk
dfa 34rtst adddfjadf
the file name should be renamed to test1_34rtst