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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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libxslt(3)						     Library Functions Manual							libxslt(3)

NAME
libxslt - library for transforming XML documents DESCRIPTION
The libxslt library is the XSLT library developed for the Gnome project. XSLT itself is a declarative language for transforming XML docu- ments into other XML documents, or arbitrary text output using a stylesheet. The libxslt library is based on libxml2 library developed for the Gnome project. It also implements most of the EXSLT set of processor- portable extensions functions and some of Saxon's evaluate and expressions extensions. FILES
/usr/lib/libxslt.so shared object library /usr/lib/libexslt.so shared object library /usr/bin/xsltproc command line XSLT processor /usr/bin/xslt-config binary application for printing library configuration /usr/include/libxslt header files /usr/share/lib/xml/style stylesheets AUTHORS
Daniel Veillard (daniel@veillard.com). SEE ALSO
xsltproc(1), xslt-config(1), libxml(3) NOTES
Source for libxslt is available in the SUNWlxslS package. Documentation for libxslt is available on-line at http://www.xmlsoft.org/XSLT. 17 Jul 2002 libxslt(3)
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