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Top Forums Shell Programming and Scripting [Solved] FOR loop / IF statement returning error Post 302848857 by jfxdavies on Friday 30th of August 2013 08:40:34 AM
Old 08-30-2013
[Solved] FOR loop / IF statement returning error

The code at the bottom is a simplified example of what we have.

If I use the following:
Code:
 [ $? != 0 ] && echo "echo failed"

$? returns 1

When I use
Code:
if [ $? != 0 ] ; then  echo "echo failed" ; fi

$? returns 0

Does anyone know what's wrong with this?

Using AIX 6.1 and KSH

Code:
for NUM in 1 2 3
do
    echo $NUM
    for LET in A B C
    do
        echo $LET
        [ $? != 0 ] && echo "echo failed"
        echo $?
    done
done

Thankyou.

Last edited by Scott; 08-30-2013 at 12:17 PM.. Reason: More code tags
 

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MSSQL_NUM_FIELDS(3)													       MSSQL_NUM_FIELDS(3)

mssql_num_fields - Gets the number of fields in result

SYNOPSIS
int mssql_num_fields (resource $result) DESCRIPTION
mssql_num_fields(3) returns the number of fields in a result set. PARAMETERS
o $result - The result resource that is being evaluated. This result comes from a call to mssql_query(3). RETURN VALUES
Returns the number of fields, as an integer. EXAMPLES
Example #1 mssql_num_fields(3) example <?php // Connect to MSSQL and select the database $link = mssql_connect('KALLESPCSQLEXPRESS', 'sa', 'phpfi'); mssql_select_db('php', $link); // Select some data from our database $data = mssql_query('SELECT [name], [age] FROM [php].[dbo].[persons]'); // Construct a table echo '<table border="1">'; $header = false; // Iterate through returned results while ($row = mssql_fetch_array($data)) { // Build the table header if (!$header) { echo '<thead>'; echo '<tr>'; for ($i = 1; ($i + 1) <= mssql_num_fields($data); ++$i) { echo '<td>' . ucfirst($row[$i]) . '</td>'; } echo '</tr>'; echo '</thead>'; echo '<tbody>'; $header = true; } // Build the row echo '<tr>'; foreach($row as $value) { echo '<td>' . $value . '</td>'; } echo '</tr>'; } // Close table echo '</tbody>'; echo '</table>'; // Clean up mssql_free_result($data); mssql_close($link); ?> SEE ALSO
mssql_query(3), mssql_fetch_field(3), mssql_num_rows(3). PHP Documentation Group MSSQL_NUM_FIELDS(3)
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