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Top Forums Shell Programming and Scripting How to extract variable number from a String Post 302238056 by vitesse on Thursday 18th of September 2008 11:33:20 PM
Old 09-19-2008
hi,thanks for reply,still can not make it work,here is several tests i make,hope it give you some idea of problems.
>x=123
>echo $x
123
>x=`db2 "export to ACTIONS.dat of del select * from ACTIONS" |grep "Number of rows exported" | awk -F: '{print $2}'`
>echo $x

>db2 "export to ACTIONS.dat of del select * from ACTIONS" |grep "Number of rows exported" | awk -F: '{print $2}'
238

It is sames that combination clear the variable x,last one print "238",as I am a newbie,I don't know how to make it work.by the way,I am using bash,'>' is command prompt here.thanks
 

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SQLITE_NUM_ROWS(3)														SQLITE_NUM_ROWS(3)

sqlite_num_rows - Returns the number of rows in a buffered result set

SYNOPSIS
int sqlite_num_rows (resource $result) DESCRIPTION
Object oriented style (method): int SQLiteResult::numRows (void ) Returns the number of rows in the buffered $result set. PARAMETERS
o $result - The SQLite result resource. This parameter is not required when using the object-oriented method. Note This function cannot be used with unbuffered result handles. RETURN VALUES
Returns the number of rows, as an integer. EXAMPLES
Example #1 Procedural example <?php $db = sqlite_open('mysqlitedb'); $result = sqlite_query($db, "SELECT * FROM mytable WHERE name='John Doe'"); $rows = sqlite_num_rows($result); echo "Number of rows: $rows"; ?> Example #2 Object-oriented example <?php $db = new SQLiteDatabase('mysqlitedb'); $result = $db->query("SELECT * FROM mytable WHERE name='John Doe'"); $rows = $result->numRows(); echo "Number of rows: $rows"; ?> SEE ALSO
sqlite_changes(3), sqlite_query(3), sqlite_num_fields(3). PHP Documentation Group SQLITE_NUM_ROWS(3)
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