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Top Forums Shell Programming and Scripting Passing the command line argument in a variable Post 51635 by rkumar28 on Tuesday 25th of May 2004 05:48:27 PM
Old 05-25-2004
Passing the command line argument in a variable

Hi,
I am new to unix. Is their a way to pass the output of the line below to a variable var1.
ls -1t | head -1.

I am trying something like var1=ls -1t | head -1, but I get error.

Situation is: I get file everyday through FTP in my unix box. I have to write a script that picks up first latest file that comes in and pass the content of that file to another file called the load.txt. The FTP filename changes depending on the source.

I tried something like:

var1=ls -1t | head -1
cat $var1>load.txt
I error out on the first line of my script.

Also I tried something like var1=ls -1t | head -1 | cat >load.txt. But I am not getting the desired result.

I will really appreciate any help in this regards.
rkumar28
 

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GET_CLASS_VARS(3)							 1							 GET_CLASS_VARS(3)

get_class_vars - Get the default properties of the class

SYNOPSIS
array get_class_vars (string $class_name) DESCRIPTION
Get the default properties of the given class. PARAMETERS
o $class_name - The class name RETURN VALUES
Returns an associative array of declared properties visible from the current scope, with their default value. The resulting array elements are in the form of varname => value. In case of an error, it returns FALSE. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.0.3 | | | | | | | get_class_vars(3) will only return the properties | | | that can be accessed from the current scope. | | | | | 5.0.2 | | | | | | | Calling get_class_vars(3) will now expose all | | | the properties as an array, unlike previous be- | | | haviour where protected and private properties | | | were prefixed with nul bytes. | | | | | 5.0.1 | | | | | | | Calling get_class_vars(3) will expose all prop- | | | erties, as when converting an object to a class. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 get_class_vars(3) example <?php class myclass { var $var1; // this has no default value... var $var2 = "xyz"; var $var3 = 100; private $var4; // constructor function myclass() { // change some properties $this->var1 = "foo"; $this->var2 = "bar"; return true; } } $my_class = new myclass(); $class_vars = get_class_vars(get_class($my_class)); foreach ($class_vars as $name => $value) { echo "$name : $value "; } ?> The above example will output: var1 : var2 : xyz var3 : 100 Example #2 get_class_vars(3) and scoping behaviour <?php function format($array) { return implode('|', array_keys($array)) . " "; } class TestCase { public $a = 1; protected $b = 2; private $c = 3; public static function expose() { echo format(get_class_vars(__CLASS__)); } } TestCase::expose(); echo format(get_class_vars('TestCase')); ?> The above example will output: // 5.0.0 a| * b| TestCase c a| * b| TestCase c // 5.0.1 - 5.0.2 a|b|c a|b|c // 5.0.3 + a|b|c a SEE ALSO
get_class_methods(3), get_object_vars(3). PHP Documentation Group GET_CLASS_VARS(3)
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