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Top Forums Shell Programming and Scripting Changing the column for a row in a text file and adding another row Post 70210 by zazzybob on Tuesday 26th of April 2005 07:36:32 PM
Old 04-26-2005
Code:
$ more process.awk
BEGIN { c = 0 }

{ print $0; lastrow = $0 }

END { while ( c < 10 ) {
   $0 = lastrow
   ++$4
   print $0
   lastrow = $0
   ++c
   }
}
$ more tmp/foofile
abc xyz lmn 89 lm nk o p
$ awk -f process.awk tmp/foofile
abc xyz lmn 89 lm nk o p
abc xyz lmn 90 lm nk o p
abc xyz lmn 91 lm nk o p
abc xyz lmn 92 lm nk o p
abc xyz lmn 93 lm nk o p
abc xyz lmn 94 lm nk o p
abc xyz lmn 95 lm nk o p
abc xyz lmn 96 lm nk o p
abc xyz lmn 97 lm nk o p
abc xyz lmn 98 lm nk o p
abc xyz lmn 99 lm nk o p

Cheers
ZB
 

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DB2_FETCH_BOTH(3)							 1							 DB2_FETCH_BOTH(3)

db2_fetch_both - Returns an array, indexed by both column name and position, representing a row in a result set

SYNOPSIS
array db2_fetch_both (resource $stmt, [int $row_number = -1]) DESCRIPTION
Returns an array, indexed by both column name and position, representing a row in a result set. Note that the row returned by db2_fetch_both(3) requires more memory than the single-indexed arrays returned by db2_fetch_assoc(3) or db2_fetch_array(3). PARAMETERS
o $stmt - A valid stmt resource containing a result set. o $row_number - Requests a specific 1-indexed row from the result set. Passing this parameter results in a PHP warning if the result set uses a forward-only cursor. RETURN VALUES
Returns an associative array with column values indexed by both the column name and 0-indexed column number. The array represents the next or requested row in the result set. Returns FALSE if there are no rows left in the result set, or if the row requested by $row_number does not exist in the result set. EXAMPLES
Example #1 Iterating through a forward-only cursor If you call db2_fetch_both(3) without a specific row number, it automatically retrieves the next row in the result set. The follow- ing example accesses columns in the returned array by both column name and by numeric index. <?php $sql = "SELECT id, name, breed, weight FROM animals ORDER BY breed"; $stmt = db2_prepare($conn, $sql); $result = db2_execute($stmt); while ($row = db2_fetch_both($stmt)) { printf ("%-5d %-16s %-32s %10s ", $row['ID'], $row[0], $row['BREED'], $row[3]); } ?> The above example will output: 0 Pook cat 3.20 5 Rickety Ride goat 9.70 2 Smarty horse 350.00 Example #2 Retrieving specific rows with db2_fetch_both(3) from a scrollable cursor If your result set uses a scrollable cursor, you can call db2_fetch_both(3) with a specific row number. The following example retrieves every other row in the result set, starting with the second row. <?php $sql = "SELECT id, name, breed, weight FROM animals ORDER BY breed"; $result = db2_exec($stmt, $sql, array('cursor' => DB2_SCROLLABLE)); $i=2; while ($row = db2_fetch_both($result, $i)) { printf ("%-5d %-16s %-32s %10s ", $row[0], $row['NAME'], $row[2], $row['WEIGHT']); $i = $i + 2; } ?> The above example will output: 0 Pook cat 3.20 5 Rickety Ride goat 9.70 2 Smarty horse 350.00 SEE ALSO
db2_fetch_array(3), db2_fetch_assoc(3), db2_fetch_object(3), db2_fetch_row(3), db2_result(3). PHP Documentation Group DB2_FETCH_BOTH(3)
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