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Arbitrary-precision CRC calculator and algorithm finder
CRC RevEng is a portable, arbitrary-precision CRC calculator and algorithm finder. It calculates CRCs using any of the 113 preset algorithms, or a user-specified algorithm to any width. It calculates reversed CRCs to give the bit pattern that produces a desired forward CRC. CRC RevEng also reverse-engineers any CRC algorithm from sufficient correctly formatted message-CRC pairs and optional known parameters. It comprises powerful input interpretation options. Compliant with Ross Williams'...
sort text files by many keys and create files with conrol break
There are two applications:
1. filesort: sort a text file by more than one key.
2. controlbreak: read a sorted file and build control breaks and sums.
For filesort and controlbraek you need a csv-file. You find a binary for Linux and Windows. The applications used with command-line options (see Documentation).