I asked what the users.db looked like too, and noted that my grep solution probably doesn't do what you want because I don't know what users.db looks like...
Hi All,
I have absolutely no experince with either one, and would LOVE to start from somewhere! So please guide me to some web sites (beside these great forums of course!) that I can obtain n00b information. (Books, links, resources, etc.)
What software OS? should I begin with? I have heard... (2 Replies)
Hi,
have a basic query.
Please see the below code:
list="one two three"
for var in $list ; do
echo $var
list="nolist"
Done
Wht if I want to print only first/ last line in the list
Eg one & three
Regards
er_ashu (3 Replies)
need some help badly.
if i had a file with content of few lines like the followings.
1183724770.651 0.049 137.157.56.169 200 415 GET http://venus/client/clients.xml "text/xml"
1183724770.651 0.049 141.183.101.250 200 415 GET http://venus/client/clients.xml "text/xml"
using what command... (1 Reply)
Hey guys,
This is quite simply what I'm trying to make:
A program that runs in a UNIX terminal that you can output text messages to from another machine. These text messages would be prepended with a customized prompt. I'd also like to have the window spew out random dumps of flavor text not... (1 Reply)
Hey Guys!
I was hoping for some help with a simple script I'm trying to use. I have the script set up to pull some simple information out of a database .txt file and sed it into a preexisting template for assignment cover letters. The problem seems to be someplace in the sed statement but I... (5 Replies)
Howdy People :),
I'm a newbie & its my first question here. I've started learning Unix Bourne Shell scripting recently and struggling already :p Can someone PLEASE help me with the following problem. Somehow my script is not working.
Display an initial prompt of the form:
Welcome to... (1 Reply)
Hi,
I am very new to this forum, can any one tell me which is the very basic certification on unix shell scripting?
please give me an advice on this. (1 Reply)
I need to read input from a file, and make sure nothing prints after column 72.
basically, ignore input after character 72 until the next newline character.
Any help is appreciated. I have been searching forever! (10 Replies)
Hi,
Sorry if this is a newbie question. I guess you can use either awk or shell script for this sequence of operations, but knowing very little about either of them I'm not sure how I should try to write this.
The basic objective is to copy certain files that are scattered all over my... (10 Replies)
Oracle Linux : 6.4/bash shell
In the below I want to break out of the loop when it enters the 5th iteration.
#!/bin/bash
for i in 1 2 3 4 5 6
do
echo "$i"
if
echo "Oh Nooo... i = $i. I need to stop the iteration and jump out of the loop"
then break
fi
done
But, it only... (3 Replies)
Discussion started by: John K
3 Replies
LEARN ABOUT PHP
round
ROUND(3) 1 ROUND(3)round - Rounds a floatSYNOPSIS
float round (float $val, [int $precision], [int $mode = PHP_ROUND_HALF_UP])
DESCRIPTION
Returns the rounded value of $val to specified $precision (number of digits after the decimal point). $precision can also be negative or
zero (default).
Note
PHP doesn't handle strings like "12,300.2" correctly by default. See converting from strings.
PARAMETERS
o $val
- The value to round
o $precision
- The optional number of decimal digits to round to.
o $mode
- Use one of the following constants to specify the mode in which rounding occurs.
+--------------------+---------------------------------------------------+
| Constant | |
| | |
| | Description |
| | |
+--------------------+---------------------------------------------------+
| | |
| PHP_ROUND_HALF_UP | |
| | |
| | Round $val up to $precision decimal places away |
| | from zero, when it is half way there. Making 1.5 |
| | into 2 and -1.5 into -2. |
| | |
| | |
|PHP_ROUND_HALF_DOWN | |
| | |
| | Round $val down to $precision decimal places |
| | towards zero, when it is half way there. Making |
| | 1.5 into 1 and -1.5 into -1. |
| | |
| | |
|PHP_ROUND_HALF_EVEN | |
| | |
| | Round $val to $precision decimal places towards |
| | the next even value. |
| | |
| | |
|PHP_ROUND_HALF_ODD | |
| | |
| | Round $val to $precision decimal places towards |
| | the next odd value. |
| | |
+--------------------+---------------------------------------------------+
RETURN VALUES
The rounded value
EXAMPLES
Example #1
round(3) examples
<?php
echo round(3.4); // 3
echo round(3.5); // 4
echo round(3.6); // 4
echo round(3.6, 0); // 4
echo round(1.95583, 2); // 1.96
echo round(1241757, -3); // 1242000
echo round(5.045, 2); // 5.05
echo round(5.055, 2); // 5.06
?>
Example #2
$mode examples
<?php
echo round(9.5, 0, PHP_ROUND_HALF_UP); // 10
echo round(9.5, 0, PHP_ROUND_HALF_DOWN); // 9
echo round(9.5, 0, PHP_ROUND_HALF_EVEN); // 10
echo round(9.5, 0, PHP_ROUND_HALF_ODD); // 9
echo round(8.5, 0, PHP_ROUND_HALF_UP); // 9
echo round(8.5, 0, PHP_ROUND_HALF_DOWN); // 8
echo round(8.5, 0, PHP_ROUND_HALF_EVEN); // 8
echo round(8.5, 0, PHP_ROUND_HALF_ODD); // 9
?>
Example #3
$mode with precision examples
<?php
/* Using PHP_ROUND_HALF_UP with 1 decimal digit precision */
echo round( 1.55, 1, PHP_ROUND_HALF_UP); // 1.6
echo round( 1.54, 1, PHP_ROUND_HALF_UP); // 1.5
echo round(-1.55, 1, PHP_ROUND_HALF_UP); // -1.6
echo round(-1.54, 1, PHP_ROUND_HALF_UP); // -1.5
/* Using PHP_ROUND_HALF_DOWN with 1 decimal digit precision */
echo round( 1.55, 1, PHP_ROUND_HALF_DOWN); // 1.5
echo round( 1.54, 1, PHP_ROUND_HALF_DOWN); // 1.5
echo round(-1.55, 1, PHP_ROUND_HALF_DOWN); // -1.5
echo round(-1.54, 1, PHP_ROUND_HALF_DOWN); // -1.5
/* Using PHP_ROUND_HALF_EVEN with 1 decimal digit precision */
echo round( 1.55, 1, PHP_ROUND_HALF_EVEN); // 1.6
echo round( 1.54, 1, PHP_ROUND_HALF_EVEN); // 1.5
echo round(-1.55, 1, PHP_ROUND_HALF_EVEN); // -1.6
echo round(-1.54, 1, PHP_ROUND_HALF_EVEN); // -1.5
/* Using PHP_ROUND_HALF_ODD with 1 decimal digit precision */
echo round( 1.55, 1, PHP_ROUND_HALF_ODD); // 1.5
echo round( 1.54, 1, PHP_ROUND_HALF_ODD); // 1.5
echo round(-1.55, 1, PHP_ROUND_HALF_ODD); // -1.5
echo round(-1.54, 1, PHP_ROUND_HALF_ODD); // -1.5
?>
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | The $mode parameter was introduced. |
| | |
| 5.2.7 | |
| | |
| | The inner workings of round(3) was changed to |
| | conform to the C99 standard. |
| | |
+--------+---------------------------------------------------+
SEE ALSO ceil(3), floor(3), number_format(3).
PHP Documentation Group ROUND(3)