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Top Forums Shell Programming and Scripting Finding duplicate data in a file Post 32988 by RTM on Thursday 12th of December 2002 09:34:46 AM
Old 12-12-2002
Check out the man page on the sort command. You may want to sort first by the last field (to get all the same usernames together) and then use the -um option to sort again for the date/time field. All the oldest entries for each name should be the last (a loop could grap the last entry and send it to your program).
 

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NE_BUFFER_DESTROY(3)						neon API reference					      NE_BUFFER_DESTROY(3)

NAME
ne_buffer_destroy, ne_buffer_finish - destroy a buffer object SYNOPSIS
#include <ne_string.h> void ne_buffer_destroy (ne_buffer *buf); char *ne_buffer_finish (ne_buffer *buf); DESCRIPTION
ne_buffer_destroy frees all memory associated with the buffer. ne_buffer_finish frees the buffer structure, but not the actual string stored in the buffer, which is returned and must be free()d by the caller. Any use of the buffer object after calling either of these functions gives undefined behaviour. RETURN VALUE
ne_buffer_finish returns the malloc-allocated string stored in the buffer. EXAMPLES
An example use of ne_buffer_finish; the duplicate function returns a string made up of n copies of str: static char *duplicate(int n, const char *str) { ne_buffer *buf = ne_buffer_create(); while (n--) { ne_buffer_zappend(buf, str); } return ne_buffer_finish(buf); } SEE ALSO
ne_buffer(3), ne_buffer_create(3), ne_buffer_zappend(3) AUTHOR
Joe Orton <neon@webdav.org>. neon 0.23.5 8 October 2002 NE_BUFFER_DESTROY(3)
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