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#CLIENT NAME #PROJECT NAME ... ZZ 4001 4161 1088 2654 9876543 123456 ZZ 4001 4161 1152 2657 9876543 123456 ZZ 4001 4161 1216 2655 9876543 123456
cat ABC_noheader.dat | awk '{print $2}' | sort -g > Column2.dat