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Top Forums Shell Programming and Scripting Get information like substring Post 302275741 by uativan on Monday 12th of January 2009 03:32:06 AM
Old 01-12-2009
Quote:
Originally Posted by cfajohnson
What do you really want to extract? If all you wnat is "mysname":

Code:
echo myname

If you mean the third field, it depends on where you are getting it from. If it's in a variable::

Code:
set -f
set -- $variable
echo "$3"

If you are processing multi-line output from a command:

Code:
your_command | cut -d ' ' -f3

thanks for your reply

I stored the result in a variable

name=$(pgsql -c "select name from teacher")

$name is a single line
and equal to "name ------------ myname (1 row)"
I want to get the "myname" inside this variable

e.g.
If $name is "name ------------ Peter (1 row)"
I want to get "Peter" from the line

could you give me some suggestions? thanks
 

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MSSQL_FIELD_SEEK(3)													       MSSQL_FIELD_SEEK(3)

mssql_field_seek - Seeks to the specified field offset

SYNOPSIS
bool mssql_field_seek (resource $result, int $field_offset) DESCRIPTION
Seeks to the specified field offset. If the next call to mssql_fetch_field(3) won't include a field offset, this field would be returned. PARAMETERS
o $result - The result resource that is being evaluated. This result comes from a call to mssql_query(3). o $field_offset - The field offset, starts at 0. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 Using mssql_field_seek(3) on the example for mssql_fetch_field(3) <?php // Connect to MSSQL and select the database mssql_connect('MANGOSQLEXPRESS', 'sa', 'phpfi'); mssql_select_db('php'); // Send a select query to MSSQL $query = mssql_query('SELECT * FROM [php].[dbo].[persons]'); // Construct table echo '<h3>Table structure for 'persons'</h3>'; echo '<table border="1">'; // Table header echo '<thead>'; echo '<tr>'; echo '<td>Field name</td>'; echo '<td>Data type</td>'; echo '<td>Max length</td>'; echo '</tr>'; echo '</thead>'; // Dump all fields echo '<tbody>'; for ($i = 0; $i < mssql_num_fields($query); ++$i) { // Fetch the field information, notice the // field_offset parameter is not set. See // the mssql_field_seek call below $field = mssql_fetch_field($query); // Print the row echo '<tr>'; echo '<td>' . $field->name . '</td>'; echo '<td>' . strtoupper($field->type) . '</td>'; echo '<td>' . $field->max_length . '</td>'; echo '</tr>'; // Move the internal seek pointer to the next // row in the result set mssql_field_seek($query, $i + 1); } echo '</tbody>'; echo '</table>'; // Free the query result mssql_free_result($query); ?> SEE ALSO
mssql_fetch_field(3). PHP Documentation Group MSSQL_FIELD_SEEK(3)
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