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Top Forums Shell Programming and Scripting how to validate a field when it is blank using awk prog Post 302354668 by meva on Saturday 19th of September 2009 09:08:46 AM
Old 09-19-2009
Actually the column values are stored in a variable like f1,f2....f10... and so on...

So now how do i check for the blank space stored in this variable?

I tried the below specified piece of code for a particular field

Code:
if(f10==""){
print "Field 10 is Correct";}
else{
print "Field 10 is Wrong"; }

but it dint work? it gave me the wrong results for my validation....is that i have used it wrongly or is there any other option?

Please help me with ur inputs

Thanks In Advance
Meva
 

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MYSQLI_FETCH_LENGTHS(3) 						 1						   MYSQLI_FETCH_LENGTHS(3)

mysqli_result::$lengths - Returns the lengths of the columns of the current row in the result set

       Object oriented style

SYNOPSIS
array$mysqli_result->lengths () DESCRIPTION
Procedural style array mysqli_fetch_lengths (mysqli_result $result) The mysqli_fetch_lengths(3) function returns an array containing the lengths of every column of the current row within the result set. PARAMETERS
o $ result -Procedural style only: A result set identifier returned by mysqli_query(3), mysqli_store_result(3) or mysqli_use_result(3). RETURN VALUES
An array of integers representing the size of each column (not including any terminating null characters). FALSE if an error occurred. mysqli_fetch_lengths(3) is valid only for the current row of the result set. It returns FALSE if you call it before calling mysqli_fetch_row/array/object or after retrieving all rows in the result. EXAMPLES
Example #1 Object oriented style <?php $mysqli = new mysqli("localhost", "my_user", "my_password", "world"); /* check connection */ if (mysqli_connect_errno()) { printf("Connect failed: %s ", mysqli_connect_error()); exit(); } $query = "SELECT * from Country ORDER BY Code LIMIT 1"; if ($result = $mysqli->query($query)) { $row = $result->fetch_row(); /* display column lengths */ foreach ($result->lengths as $i => $val) { printf("Field %2d has Length %2d ", $i+1, $val); } $result->close(); } /* close connection */ $mysqli->close(); ?> Example #2 Procedural style <?php $link = mysqli_connect("localhost", "my_user", "my_password", "world"); /* check connection */ if (mysqli_connect_errno()) { printf("Connect failed: %s ", mysqli_connect_error()); exit(); } $query = "SELECT * from Country ORDER BY Code LIMIT 1"; if ($result = mysqli_query($link, $query)) { $row = mysqli_fetch_row($result); /* display column lengths */ foreach (mysqli_fetch_lengths($result) as $i => $val) { printf("Field %2d has Length %2d ", $i+1, $val); } mysqli_free_result($result); } /* close connection */ mysqli_close($link); ?> The above examples will output: Field 1 has Length 3 Field 2 has Length 5 Field 3 has Length 13 Field 4 has Length 9 Field 5 has Length 6 Field 6 has Length 1 Field 7 has Length 6 Field 8 has Length 4 Field 9 has Length 6 Field 10 has Length 6 Field 11 has Length 5 Field 12 has Length 44 Field 13 has Length 7 Field 14 has Length 3 Field 15 has Length 2 PHP Documentation Group MYSQLI_FETCH_LENGTHS(3)
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