Hi, I'm trying to write a ksh script to copy a specified number of files from one directory to another.
The files are named in the convention <switchname>_log.<num> and the numbers are sequential single digit onwards. I figured I could find some parameter for ls which would list the files in... (3 Replies)
Hi,
How can I remove all non numerical data from line, so I don't want to delete the line but to have only the numbers.
e.g.:
#########
123
aaa124
125bbb
126
127
#########
So I want all the leading and trailing non numerical stuff(letters/white space/tabs anything else except... (10 Replies)
Hi,
I've searched and couldn't find anyone else with this problem. Is there anyway (preferably using ksh - but other script languages would do) that I can read in binary float data into a text file. The data (arrays from various stages of radar processing) comes in various formats, but mainly... (3 Replies)
Hi everyone,
I would love to have a script that does the following:
I have one file that looks like that:
ATOM 1 BB SER 1 1 -31.958 -25.125 -11.061 1.00 0.00
ATOM 3 BB GLY 1 2 -32.079 -26.085 -14.466 1.00 0.00
ATOM 4 BB VAL 1 3 ... (1 Reply)
So, I will be working with someone and basically we are trying to build a form that is submitted most likely via the web and the data is just a string of numbers.
like:
19383882872201110929282821818182827349190102837364718191001932873711
Now, each number is part of a numerical value of... (4 Replies)
Hi
I am newbie to unix scripting, but i have enough knowledge to understand.
I have a specific questions like, I use to collect like 3500 files per experiment, each one named like
data_001.img..
data_002.img
data_003.img
....
data_3500.img
I would like to move every 12 files in the 3500... (3 Replies)
Hi,
I have a large number of files which are named as follows.
VF_50, VF_100, VF_150, VF_250, VF_300, VF_350, VF_400, VF_450, VF_500.
When I do an 'ls' it arranges the files in the following way
VF_100, VF_150, VF_250, VF_300, VF_350, VF_400, VF_450, VF_50, VF_500.
Is there a way to... (2 Replies)
Hello
I have a directory with a list of files which have a particular numerical suffix.
E.g
filename_0
filename_1
filename_18500
filename_10000
I want to delete all files from this directory which have a filename which have a numerical suffix greater than 10540.
So any files... (5 Replies)
Hi experts,
I have a list of files containing forces as the only number as follows.
Force1.txt Force2.txt Force3.txt Force4.txt Force5.txt . . . . . . . . . Force100.txt I want to put all the data(only a number ) in these forces files in the file with the same order like 1,2,3 ..100 .... (2 Replies)
Hello,
I have two files, f1 and f2. f1 has 5 columns like so:
a b c d 154
e f g h 365
.....
f2 has two columns, the first column contains the name of the above file and second column contains a constant which is to be used for division.
e.g.
file1 56
I want to divide the 5th... (2 Replies)
Discussion started by: Gussifinknottle
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)