10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I'm using Sun Solaris.
I used mailx -r "MyEmailId" -s "sub" "toEmailID" from my unix id and it worked.
But when i run the same script from other's unix id it works as well. mean any one in my environment can mail to other's email without my knowledge.
My questions are
How it works and why it... (1 Reply)
Discussion started by: kg_gaurav
1 Replies
2. UNIX for Dummies Questions & Answers
Hi,
just i would like to know, how will be the response if you try to read a 40GB compressed file using zcat.
a)Uncompress the 40GB file and have it in the disk. use cat to view the steps.
b)Use zcat directly to view the compressed file?
What are the steps being occurred in step (b)?
Where... (3 Replies)
Discussion started by: pandeesh
3 Replies
3. Shell Programming and Scripting
Hi,
I need to compare and get an output for values greater than "X10" (values contain both characters and numbers) using if loop...
FOR EG:
I want to export values greater than X10, i.e., in-case if the value is X11 and greater than the "if" part to be executed if the value is X9 and... (2 Replies)
Discussion started by: shivashankar_S
2 Replies
4. Shell Programming and Scripting
I found this command, sed -e 's/<*>//g', will return the content of a line with pattern something like this, <tag1>content</tag1>..
How does this works?
What does sed -e 's/<*>//g' actually do?
What if I wanted to get content of a line with pattern something like this, content?
thanks.. (5 Replies)
Discussion started by: 14th
5 Replies
5. UNIX for Advanced & Expert Users
I have a program............
#include<stdio.h>
#include<unistd.h>
main()
{
if(fork == 0)
{
printf("Hi every body:p!!!!!!!!!!");
}
}
This program works with out any error. here fork is not a system call. It just act as a variable.But how it works without declaring it? What data type it... (19 Replies)
Discussion started by: carolsanjeevi
19 Replies
6. UNIX for Dummies Questions & Answers
When I try to execute script, I get message:
>aa.pl
zsh: command not found: aa.pl
but
>./aa.pl
works OK.
What to change in environment to force the former way to work?
Thank you,
Alex Z (4 Replies)
Discussion started by: zzol
4 Replies
7. Shell Programming and Scripting
I am trying to get a count of each line
sub runit2 {
my ($file1a, $file2a) = @_;
my $file1_vala = $file1a->get;
my $file2_vala = $file2a->get;
open (FILE1a, "$file1_vala") or die;
open (FILE2a, "$file2_vala") or die;
chomp(my @strings = <FILE2a>);
while (1) {
foreach $pattern... (4 Replies)
Discussion started by: popeye
4 Replies
8. UNIX for Dummies Questions & Answers
ls displays files in tabbed output. Say a directory contains 3 files. ls will list all 3 in one line. So, I expect ls | wc -l to give 1, but it counts the nr of files and gives 3.
Can someone explain how this works? (3 Replies)
Discussion started by: krishmaths
3 Replies
9. Shell Programming and Scripting
I am a novice at shell scripting. I have managed to cobble together a script that does exactly what I need it to do. However I am gathering information from 700+ devices. This script takes hours to complete the task. Is there a better way of doing it than what I have listed here? This script... (10 Replies)
Discussion started by: Garlandxj
10 Replies
10. Linux
Hi,
I was looking at the panic() code in linux kernel which is defined as:
51 /**
52 * panic - halt the system
53 * @fmt: The text string to print
54 *
55 * Display a message, then perform cleanups.
56 *
57 * This function never returns.
58 */
59
60 NORET_TYPE void panic(const char *... (1 Reply)
Discussion started by: amit4g
1 Replies
FBSQL_FETCH_FIELD(3) 1 FBSQL_FETCH_FIELD(3)
fbsql_fetch_field - Get column information from a result and return as an object
SYNOPSIS
object fbsql_fetch_field (resource $result, [int $field_offset])
DESCRIPTION
Used in order to obtain information about fields in a certain query result.
PARAMETERS
o $
result -A result identifier returned by fbsql_query(3) or fbsql_db_query(3).
o $field_offset
- The numerical offset of the field. The field index starts at 0. If not specified, the next field that wasn't yet retrieved by
fbsql_fetch_field(3) is retrieved.
RETURN VALUES
Returns an object containing field information, or FALSE on errors.
The properties of the object are:
o name - column name
o table - name of the table the column belongs to
o max_length - maximum length of the column
o not_null - 1 if the column cannot be
NULL
o type - the type of the column
EXAMPLES
Example #1
fbsql_fetch_field(3) example
<?php
fbsql_connect($host, $user, $password)
or die("Could not connect");
$result = fbsql_db_query("database", "select * from table")
or die("Query failed");
# get column metadata
$i = 0;
while ($i < fbsql_num_fields($result)) {
echo "Information for column $i:<br />
";
$meta = fbsql_fetch_field($result);
if (!$meta) {
echo "No information available<br />
";
}
echo "<pre>
max_length: $meta->max_length
name: $meta->name
not_null: $meta->not_null
table: $meta->table
type: $meta->type
</pre>";
$i++;
}
fbsql_free_result($result);
?>
SEE ALSO
fbsql_field_seek(3).
PHP Documentation Group FBSQL_FETCH_FIELD(3)