I'm not clear on the echo myself. You can always change something like
x="something"
into
x=`echo something`
and a lot of people like the second form. As for your substring question, my solution:
Hi.
What is the easiest way to rename a bunch of files? For example taking all files ending in ".php3" and rename them to end in ".php"
I could write a script to do this, but there is probably an easier way...
Thanks! (17 Replies)
Hi all,
I am a newbie in writng unix..I am using ksh shell..Does anyone know how to copy a list o files from directory A to directory B with differnt names? i.e
in Dir A, I have
RPT101.555.TXT
RPT102.666.TXT
and I want to copy those files to dir B with new naming convention..
in Dir B,... (7 Replies)
Is it possible in VI to do a global change but take the search patterns and the replacement patterns from an external file ?
I have cases where I can have 100,200 or 300+ global changes to do. All the new records are inside a file and I must VI a work file to change all of them.
Also, can... (1 Reply)
Basically, I have a huge amount of files (ripped audiobooks) that all have the same garbage in their filenames. I'm wondering how to go about writing a bash script to mass rename them. Example filenames as they stand now:
The First CD - 1x01 - Title 1.mp3
The First CD - 1x02 - Title 2.mp3... (4 Replies)
hello,
I am write a Script and i would listing all Files from Path1 out with DSR*.txt and give a new name an copy to the Path2.
I have problems with that to rename. Someone can help me?
Sorry, for my english. My english is not gut.
I hope you understand my.
That is my Script.
... (2 Replies)
Hi.
I've got 75 mp3s that have the word 'Émission' in their filename.
They are all in this format:
Émission bla1 bla1.mp3
Émission bla2 bla2.mp3
Émission bla3 bla3.mp3
etc...
I would just like to mass replace 'Émission' by 'Emission'; basically replace 'É' with 'E'. The rest of the... (10 Replies)
I have files existing with same names in the folders with date as display below
c:\2010-09-10 <==== folder
arr1.jpg
arr2.jpg
arr3.jpg
arr4.jpg
c:\2010-09-09 <==== folder
arr1.jpg
arr2.jpg
c:\2010-09-08 <==== folder
arr2.jpg
arr3.jpg
arr4.jpg
... (5 Replies)
hi all,
I have one config folder and updates folder.updates folder contains file tmp_2.0_20201208_45.xml and config folder contains file tmp.xml.When the tmp_2.0_20201208_45.xml file is copied in the config folder the name of this file is changed in config folder again as tmp.xml(old... (8 Replies)
I have a few hundred text files that are currently numbered files. I would like to rename each one with the text from the first line in the file. I would prefer this is perl script rather than a one liner as it wil be after many alterations to the file via an existing script. Any help would be... (1 Reply)
Hi,
I was thinking that this should be a synch but I could never get it to work.
I want to copy a bunch of files within a directory (3/4 levels into the directory) to a common place. All these files have the same name, so I prefer to rename them with the path.
I tried with
files=`ls -1... (5 Replies)
Discussion started by: jamie_123
5 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)