Hi,
I want to delete the initial few lines (or even bytes) from a file.
I want to do this from a C function & this is in Linux platform.
The truncate & ftruncate is allowing me to delete bytes from the end only.
Any linux C function calls or ideas or any suggestions??
I'm in a dead... (2 Replies)
I did a search but couldn't find a thread that seemed to answer this but my apologies if it has been answered before.
I have some text files and I need to remove any line that does not start with a number (0-9). In actuality every line like this starts with a 'T' (or 't') but there are a... (5 Replies)
Hi
I need a perl onliner to delete a line in a file starting with few words.
Example
file.txt
----------
my name is don
I live in London
I am woking as engineer
I want to delete a line starting with 'I live in' using perl oneliner and in place edit with out temporary files
Thanks... (2 Replies)
I know how to check if any file has a unix process using a file by looking at 'lsof <fullpath/filename>' command.
I think using lsof is very expensive. Also to make it accurate we need to inlcude fullpath of the file.
Is there another command that can tell if a file has a truely active... (12 Replies)
Hello ,
I have comma delimited file with over 20 fileds that i need to do some validations on. I have to check if certain fields are null and then write the line containing the null field into a new file and then delete the line from the current file.
Can someone tell me how i could go... (2 Replies)
Hi,
I have multiple files of same format and I want to delete the lines starting with # and The from all of them
I am using
egrep -v '^(#|$)'
for # but unable to do for both # and The
Please guide
Thanks (12 Replies)
e.g.
File name: File.txt
cat File.txt
Result:
#INBOUND_QUEUE=FAQ1
INBOUND_QUEUE=FAQ2
I want to get the value for one which is not commented out.
Thanks, (3 Replies)
I have a log file which have a date and time at the start of every line.
I need to search the log file starting from a specific time to the end of file.
For example:
Starting point: July 29 2018 21:00:00
End point : end of file
My concern is what if the pattern of `July 29 2018 21:00:00`... (3 Replies)
Discussion started by: erin00
3 Replies
LEARN ABOUT PHP
mssql_fetch_field
MSSQL_FETCH_FIELD(3)MSSQL_FETCH_FIELD(3)mssql_fetch_field - Get field informationSYNOPSIS
object mssql_fetch_field (resource $result, [int $field_offset = -1])
DESCRIPTION mssql_fetch_field(3) can be used in order to obtain information about fields in a certain query result.
PARAMETERS
o $result
- The result resource that is being evaluated. This result comes from a call to mssql_query(3).
o $field_offset
- The numerical field offset. If the field offset is not specified, the next field that was not yet retrieved by this function is
retrieved. The $field_offset starts at 0.
RETURN VALUES
Returns an object containing field information.
The properties of the object are:
o name - column name. if the column is a result of a function, this property is set to computed#N, where #N is a serial number.
o column_source - the table from which the column was taken
o max_length - maximum length of the column
o numeric - 1 if the column is numeric
o type - the column type.
EXAMPLES
Example #1
mssql_fetch_field(3) example
<?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
$field = mssql_fetch_field($query, $i);
// Print the row
echo '<tr>';
echo '<td>' . $field->name . '</td>';
echo '<td>' . strtoupper($field->type) . '</td>';
echo '<td>' . $field->max_length . '</td>';
echo '</tr>';
}
echo '</tbody>';
echo '</table>';
// Free the query result
mssql_free_result($query);
?>
SEE ALSO mssql_field_seek(3).
PHP Documentation Group MSSQL_FETCH_FIELD(3)