Hi All,
a new bie to awk,
How to compare substring of col1,file 1 with
col2file2 and get file1contents+col3file2 as output.
file1
-----
kumarfghh,23,12000,5000
rajakumar,24,14000,2500
rajeshchauhan,25,16000,2600
manoj,26,17000,2300
file 2
--------
123,kumar,US,
123,sukumar,UK... (4 Replies)
Hi,
I have 2 text files n1 and n2.
cat n1 :
--------
1234567890
4444444444
cat n2 :
---------
1234567890
4444444444
7777777777
8888888888
they are some sample records. File n1 contains some lookup records, whereas file n2 contains some transaction records. I need to get the... (2 Replies)
I've been trying to use awk to compare two files that have pretty much the same data in apart from certain lines where in one file a fields value has changed. I want to print the line from the first file and the changed line from the second file.
At the moment, all I can get it to do is print the... (6 Replies)
hit brick wall while trying to knock up a script that will take values from the "lookup" file and look it up in the "target" file and return values that dont appear in "target" but do in "lookup".
just knocked up something using bits from previous threads but theres gotta be something wrong... (13 Replies)
i have one file say file1 having many records.Each record contains 2000 characters.i have to compare 192-200 (stored as name)characters in this file from other file say file2 having name stored in 1-9 characters.
after comparing i have to print the record from file1 in another file say file3 ... (3 Replies)
Hi,
I'm a new user in awk and i'm trying to compare two files to create a third one if some values match in both files.
The first file has this content:
s 45.960746365 _21_ AGT 2490 [21:0 22:0
s 45.980418496 _21_ AGT 2491 [21:0 22:0
s 46.000090627 _21_ AGT 2492 [21:0 22:0
s 47.906552206... (2 Replies)
I've two files with data like below:
file1.txt:
AAA,Apples,123
BBB,Bananas,124
CCC,Carrot,125
file2.txt:
Store1|AAA|123|11
Store2|BBB|124|23
Store3|CCC|125|57
Store4|DDD|126|38
So,the field separator in file1.txt is a comma and in file2.txt,it is |
Now,the output should be... (2 Replies)
so have file1 like this:
joe 123
jane 456
and then file2 like this:
123 left right
456 up down
joe ding dong
jane flip flop
what I need to do is compare col1 and col2 in file1 with col1 in file2 and generate a new file that has lines like this:
joe 123 ding dong left right
jane... (11 Replies)
Hi all,
Can you please help me to find out that where is the problem in my script or either my way of writing the shell command on the prompt is not right? Actually, I want to compare the second column "$1" of the file "t1" with all the columns of second file "t2", if there is a match then the... (2 Replies)
Discussion started by: coder83
2 Replies
LEARN ABOUT PHP
mysql_fetch_field
MYSQL_FETCH_FIELD(3) 1 MYSQL_FETCH_FIELD(3)mysql_fetch_field - Get column information from a result and return as an objectSYNOPSIS
Warning
This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:
omysqli_fetch_field(3)
o PDOStatement::getColumnMeta
object mysql_fetch_field (resource $result, [int $field_offset])
DESCRIPTION
Returns an object containing field information. This function can be used to obtain information about fields in the provided query result.
o $
result -The result resource that is being evaluated. This result comes from a call to mysql_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.
Returns an object containing field information. The properties of the object are:
o name - column name
o table - name of the table the column belongs to, which is the alias name if one is defined
o max_length - maximum length of the column
o not_null - 1 if the column cannot be
NULL
o primary_key - 1 if the column is a primary key
o unique_key - 1 if the column is a unique key
o multiple_key - 1 if the column is a non-unique key
o numeric - 1 if the column is numeric
o blob - 1 if the column is a BLOB
o type - the type of the column
o unsigned - 1 if the column is unsigned
o zerofill - 1 if the column is zero-filled
Example #1
mysql_fetch_field(3) example
<?php
$conn = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$conn) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db('database');
$result = mysql_query('select * from table');
if (!$result) {
die('Query failed: ' . mysql_error());
}
/* get column metadata */
$i = 0;
while ($i < mysql_num_fields($result)) {
echo "Information for column $i:<br />
";
$meta = mysql_fetch_field($result, $i);
if (!$meta) {
echo "No information available<br />
";
}
echo "<pre>
blob: $meta->blob
max_length: $meta->max_length
multiple_key: $meta->multiple_key
name: $meta->name
not_null: $meta->not_null
numeric: $meta->numeric
primary_key: $meta->primary_key
table: $meta->table
type: $meta->type
unique_key: $meta->unique_key
unsigned: $meta->unsigned
zerofill: $meta->zerofill
</pre>";
$i++;
}
mysql_free_result($result);
?>
Note
Field names returned by this function are case-sensitive.
Note
If field or tablenames are aliased in the SQL query the aliased name will be returned. The original name can be retrieved for
instance by using mysqli_result::fetch_field.
mysql_field_seek(3).
PHP Documentation Group MYSQL_FETCH_FIELD(3)