you are quite right, i have been changing the data in the files and testing for all eventualities and left 4 columns in the master file blank. which leads to a question , where and what code could i add to turn off printf warnings as blanks cells in the input will often happen. { no warnings 'uninitialized'; }

In reply to Re^4: compare csv files only to first fullstop character by john.tm
in thread compare csv files only to first fullstop character by john.tm

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