10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi, I have some code. Everything works as it should, but, when I call view_all_contacts() to print the data, each line doesn't line up as it should. I get tab keys between each line.
The problem code is this:
printf("\n\eHere is the rest of the code:
void add_contact();... (5 Replies)
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2. Shell Programming and Scripting
Hi all - I'm completely stumped by a script I'm working on...
The short version is I have a file called 'lookup' and in it are hundreds of names (first and last). I have a script that basically allows the user to enter a name, and what I need to have happen is something like this:
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3. Shell Programming and Scripting
Not able to sorting two fileds resolved printf issue
01-1000/9|JAN
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01-1010/2|JAN
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01-1000/9|JAN
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1.sort -t'|' -k1,1n -k2,2 file (3 Replies)
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4. Shell Programming and Scripting
printf FH2" 3'b%b : begin\n",$i;
where i is an integer in the loop
is displaying
3'b1 : begin
expected output was
3'b001 : begin (1 Reply)
Discussion started by: dll_fpga
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5. Shell Programming and Scripting
Hello
Wondering if anybody may be able to advise on how I can filter the contents of the following file:
<object_name>-<version> <Instance>
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6. Shell Programming and Scripting
Hello,
I wrote a script that does lot of things, and I would like to change the format of a number but without printing it now (so I don't want to use printf as it will print the value immediately).
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awk 'BEGIN{number=0.01234567}
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7. Shell Programming and Scripting
Hi,
I am using below command to display the number of line, but its returning no of lines along with file name.
But i want only no of line in the variable p.
Please help me on this?
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echo "$p" (6 Replies)
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8. Shell Programming and Scripting
I am trying to display a number with commas
printf "%d\n" 323232
printf "%d\n" 1234567
I want the output to be:
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1,234,567
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9. Programming
What is the output of the following program considering an x86 based parameter passing sequence where stack grows towards lower memory addresses and that arguments are evaluated from right to left:
int i=10;
int f1()
{
static int i = 15;
printf("f1:%d ", i);
return i--;
}
main()
{... (2 Replies)
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10. Shell Programming and Scripting
Hi,
Can anybody tell me why this function returns 49?
printf "%d\n" \'10
I don't understand what the \ and ' are there for?
thanks!!! (1 Reply)
Discussion started by: m0nk3y
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IP2LONG(3) 1 IP2LONG(3)
ip2long - Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address
SYNOPSIS
int ip2long (string $ip_address)
DESCRIPTION
The function ip2long(3) generates an IPv4 Internet network address from its Internet standard format (dotted string) representation.
ip2long(3) will also work with non-complete IP addresses. Read http://publibn.boul-
der.ibm.com/doc_link/en_US/a_doc_lib/libs/commtrf2/inet_addr.htm for more info.
PARAMETERS
o $ip_address
- A standard format address.
RETURN VALUES
Returns the IPv4 address or FALSE if $ip_address is invalid.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
|5.2.10 | |
| | |
| | Prior to this version, ip2long(3) would some- |
| | times return a valid number even if passed an |
| | value which was not an (IPv4) Internet Protocol |
| | dotted address. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
ip2long(3) Example
<?php
$ip = gethostbyname('www.example.com');
$out = "The following URLs are equivalent:<br />
";
$out .= 'http://www.example.com/, http://' . $ip . '/, and http://' . sprintf("%u", ip2long($ip)) . "/<br />
";
echo $out;
?>
Example #2
Displaying an IP address
This second example shows how to print a converted address with the printf(3) function in both PHP 4 and PHP 5:
<?php
$ip = gethostbyname('www.example.com');
$long = ip2long($ip);
if ($long == -1 || $long === FALSE) {
echo 'Invalid IP, please try again';
} else {
echo $ip . "
"; // 192.0.34.166
echo $long . "
"; // -1073732954
printf("%u
", ip2long($ip)); // 3221234342
}
?>
NOTES
Note
Because PHP's integer type is signed, and many IP addresses will result in negative integers on 32-bit architectures, you need to
use the "%u" formatter of sprintf(3) or printf(3) to get the string representation of the unsigned IP address.
Note
ip2long(3) will return FALSE for the IP 255.255.255.255 in PHP 5 <= 5.0.2. It was fixed in PHP 5.0.3 where it returns -1 (same as
PHP 4).
SEE ALSO
long2ip(3), sprintf(3).
PHP Documentation Group IP2LONG(3)
