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Asked by goph9998 in Unix Systems Programming, Bourne Shell (sh)
I have written a unix shell script that merges two files. The first file, that will add records and update records is 1.8GB, and over 2 million records. The second file is 31 MB, and about 270K records ( the file that is beeing updated). I am running this script on a 1.8mhz speed machine and 1GB memory, using Ubuntu.
The problem is that it goes so slow. I think it will take over 48 hours. Is this ok? Is there a way to speed up the script? I am using the "read" command when reading and >> when writing.
20091111-EE-VQP-92 - Hierarchy / EE_QW_3_20080625