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Top Forums Shell Programming and Scripting Script to find duplicate pattern in a file irrespective of case Post 302715927 by DGPickett on Monday 15th of October 2012 04:51:51 PM
Old 10-15-2012
Well, a more structured file would help pick the right tool. While awk has more built in orientation toward delimited fields and can work spanning lines with alternate separators, sed is fast and simple, with skills that are very easy to reuse on a wide variety of problems and that work interactively in vi at the :, and here, the separtors here are negative: not-escaped line feeds.
 

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LOCATE(1)						    BSD General Commands Manual 						 LOCATE(1)

NAME
locate -- find files SYNOPSIS
locate [-d dbpath] pattern DESCRIPTION
locate searches a database for all pathnames which match the specified pattern. The database is recomputed periodically, and contains the pathnames of all files which are publicly accessible. Shell globbing and quoting characters (``*'', ``?'', ``'', ``['' and ``]'') may be used in pattern, although they will have to be escaped from the shell. Preceding any character with a backslash (``'') eliminates any special meaning which it may have. The matching differs in that no characters must be matched explicitly, including slashes (``/''). As a special case, a pattern containing no globbing characters (``foo'') is matched as though it were ``*foo*''. Options: -d dbpath Sets the list of databases to search to dbpath which can name one or more database files separated by ``:'', an empty component in the list represents the default database. The environment variable LOCATE_PATH has the same effect. EXIT STATUS
locate exits with a 0 if a match is found, and >0 if no match is found or if another problem (such as a missing or corrupted database file) is encountered. FILES
/var/db/locate.database Default database /usr/libexec/locate.updatedb Script to update database. SEE ALSO
find(1), fnmatch(3), weekly.conf(5) Woods, James A., "Finding Files Fast", ;login, 8:1, pp. 8-10, 1983. HISTORY
The locate command appeared in 4.4BSD. BSD
April 5, 2003 BSD
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