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Top Forums UNIX for Advanced & Expert Users Performance problem with removing duplicates in a huge file (50+ GB) Post 302752669 by Corona688 on Monday 7th of January 2013 11:16:00 AM
Old 01-07-2013
As is, the data is going to be very difficult to manage.

My suggestion would be to try transforming the data into something more suitable for sort -u, then transforming it back after.
 

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INTERPFORMAT(1) 					      General Commands Manual						   INTERPFORMAT(1)

NAME
interpformat - tool for transforming mace4(1) models SYNOPSIS
interpformat [options] <transformation> -f input-file > output-file interpformat [options] <transformation> < input-file > output-file DESCRIPTION
The models (structures) in mace4(1) output files can be transformed in various ways with the program interpformat. TRANSFORMATIONS
The transformations are listed here. standard one line per operation standard2 standard, with binary operations in a square (default) portable list of lists, suitable for parsing by Python, GAP, etc. tabular as nice tables raw similar to standard, but without punctuation cooked as terms, e.g., f(0,1)=2 tex formatted for LaTeX xml XML OPTIONS
A summary of options is included below. output <operations> Output only the listed operations. wrap Enclose output in list(interpretations). SEE ALSO
mace4(1). Full documentation for interpformat is found in the prover9 manual, available on Debian systems in the prover9-doc package at /usr/share/doc/prover9-doc/manual/index.html. AUTHOR
interpformat was written by William McCune <mccune@cs.unm.edu> This manual page was written by Peter Collingbourne <peter@pcc.me.uk>, for the Debian project (but may be used by others). January 20, 2007 INTERPFORMAT(1)
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