hi all, i have the following problem using awk in a script
i want to read the values from a column with real numbers and calculate the mean.the problem is that when i use a statement such as this
num = $4
i cant find a way to convert the variable from string to floating point to perform... (7 Replies)
Hai,
Can you please guide me, to compare the floating point numbers.
Eg.
If
then
echo "value1 is grater "
fi
This code is not working properly when i excuted with floating values or real numbers (13 Replies)
Dear guys;
How can I get the ceiling value of any floating number using shell or awk scripts or functions.
Example:-
old values "7.2" or "7.8" or "7.5" --->>> ceiling function ---->>> new value "8".
BR (6 Replies)
Hi,
i want to add two decimal values to
$ set a= 12.4
$ set b=3.6
$ w=`expr $a - $b`
expr: non-numeric argument
or is there any other method to do this mathematics operation.
i need to use this into my script. (4 Replies)
Hi guys
I have problem with my simple calculator, author of my book wrote
One way I tried is to test if one the inpur number is grater than zero, and then substatct
And my protptype function is
#include <stdio.h>
int main(void) {
float a, b , result;
... (11 Replies)
I have started using bash but this script which I am working on it, is in c chell. So here is my simple problem:
set x = 0.4124\0.234
echo $x
0.4124.0.234
Same operation in Bash gives me correct result in my terminal. So there is something with my c shell that is causing this behaviour.... (8 Replies)
I have the following code snippet in bash
if ]; then
minm=`echo "$diff" | bc`
fi
It works well for most of the cases. However lets say diff is -0.17 and minm is -0.0017. In such a case the comparison seems to fail. Is the correct way to compare a mixture of positive and... (12 Replies)
Discussion started by: ngabrani
12 Replies
LEARN ABOUT PHP
ziparchive.open
ZIPARCHIVE.OPEN(3) 1 ZIPARCHIVE.OPEN(3)ZipArchive::open - Open a ZIP file archive
SYNOPSIS
mixed ZipArchive::open (string $filename, [int $flags])
DESCRIPTION
Opens a new zip archive for reading, writing or modifying.
PARAMETERS
o $filename
- The file name of the ZIP archive to open.
o $flags
- The mode to use to open the archive.
o ZipArchive::OVERWRITE
o ZipArchive::CREATE
o ZipArchive::EXCL
o ZipArchive::CHECKCONS
RETURN VALUES
o $Error codes
- Returns TRUE on success or the error code.
o ZipArchive::ER_EXISTS File already exists.
o ZipArchive::ER_INCONS Zip archive inconsistent.
o ZipArchive::ER_INVAL Invalid argument.
o ZipArchive::ER_MEMORY Malloc failure.
o ZipArchive::ER_NOENT No such file.
o ZipArchive::ER_NOZIP Not a zip archive.
o ZipArchive::ER_OPEN Can't open file.
o ZipArchive::ER_READ Read error.
o ZipArchive::ER_SEEK Seek error.
EXAMPLES
Example #1
Open and extract
<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip');
if ($res === TRUE) {
echo 'ok';
$zip->extractTo('test');
$zip->close();
} else {
echo 'failed, code:' . $res;
}
?>
Example #2
Create an archive
<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
$zip->addFromString('test.txt', 'file content goes here');
$zip->addFile('data.txt', 'entryname.txt');
$zip->close();
echo 'ok';
} else {
echo 'failed';
}
?>
PHP Documentation Group ZIPARCHIVE.OPEN(3)