greping last occurrence of the searched string


 
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Old 06-29-2009
greping last occurrence of the searched string

Hello,

I have active log file i want to grep the last occurrence of the word in that log file the log file gets on increasing and increasing i want to fetch it from live file.

Please guide me, Thanks in advance
 
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MB_STRSTR(3)								 1							      MB_STRSTR(3)

mb_strstr - Finds first occurrence of a string within another

SYNOPSIS
string mb_strstr (string $haystack, string $needle, [bool $before_needle = false], [string $encoding = mb_internal_encoding()]) DESCRIPTION
mb_strstr(3) finds the first occurrence of $needle in $haystack and returns the portion of $haystack. If $needle is not found, it returns FALSE. PARAMETERS
o $haystack - The string from which to get the first occurrence of $needle o $needle - The string to find in $haystack o $before_needle - Determines which portion of $haystack this function returns. If set to TRUE, it returns all of $haystack from the beginning to the first occurrence of $needle (excluding needle). If set to FALSE, it returns all of $haystack from the first occurrence of $needle to the end (including needle). o $encoding - Character encoding name to use. If it is omitted, internal character encoding is used. RETURN VALUES
Returns the portion of $haystack, or FALSE if $needle is not found. SEE ALSO
stristr(3), strstr(3), mb_stristr(3). PHP Documentation Group MB_STRSTR(3)