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Top Forums UNIX for Dummies Questions & Answers Get First String in a file-Perl Post 302377019 by guptesanket on Thursday 3rd of December 2009 12:58:15 AM
Old 12-03-2009
Get First String in a file-Perl

Is it possible, Using Perl script, to exit the program, when I get the first occurrence of a string. For eg, if I get a string "break" in a file (during parsing), i want to exit !
I tried using "filehandle". giving the string and file-name as commandline arguments.
 

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MB_STRISTR(3)								 1							     MB_STRISTR(3)

mb_stristr - Finds first occurrence of a string within another, case insensitive

SYNOPSIS
string mb_stristr (string $haystack, string $needle, [bool $before_needle = false], [string $encoding = mb_internal_encoding()]) DESCRIPTION
mb_stristr(3) finds the first occurrence of $needle in $haystack and returns the portion of $haystack. Unlike mb_strstr(3), mb_stristr(3) is case-insensitive. 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_strstr(3). PHP Documentation Group MB_STRISTR(3)
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