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Top Forums UNIX for Dummies Questions & Answers Depending upon character at particular position, string needs to be appended Post 302262802 by vaka on Saturday 29th of November 2008 12:38:35 AM
Old 11-29-2008
Question Depending upon character at particular position, string needs to be appended

Depending upon character at particular position in a line, string needs to be appended followed by empty spaces till 256th column position at the end of the each line in the file.

example:
123p4 J8769
123q4 R2345
123r4 S2345

What I Require is, it has to check at 7th column character and that is J for first line so it should become 123p4 8769 Jaya . J will be replaced my empty space and Jaya will be appended at 14 location followed by empty spaces till 256th column position.

the ideal result is as below:
123p4 8769 Jaya
123q4 2345 Ravi
123r4 2345 Satish

File is huge and all the lines in the file need to be applied above said logic.
Any script help is greatly appreciated.

Thanks,
Jaya

Last edited by vaka; 11-29-2008 at 04:25 AM..
 

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MB_STRPOS(3)								 1							      MB_STRPOS(3)

mb_strpos - Find position of first occurrence of string in a string

SYNOPSIS
int mb_strpos (string $haystack, string $needle, [int $offset], [string $encoding = mb_internal_encoding()]) DESCRIPTION
Finds position of the first occurrence of a string in a string. Performs a multi-byte safe strpos(3) operation based on number of characters. The first character's position is 0, the second character position is 1, and so on. PARAMETERS
o $haystack - The string being checked. o $needle - The string to find in $haystack. In contrast with strpos(3), numeric values are not applied as the ordinal value of a character. o $offset - The search offset. If it is not specified, 0 is used. o $encoding -The $encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used. RETURN VALUES
Returns the numeric position of the first occurrence of $needle in the $haystack string. If $needle is not found, it returns FALSE. SEE ALSO
mb_internal_encoding(3), strpos(3). PHP Documentation Group MB_STRPOS(3)
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