I'm trying to write a bash script to perform basic arithmetic operations but I want to run a comparison on the arguments first to check that they're a number greater than zero.
I want an error to pop up if the arguments args aren't >= 0 so I have:
But whenever I type in something like "blah + 9" it should tell me "bad number: blah", instead it treats "blah" as a zero and it gives the output as 9. If I use -gt 0 it eliminates the "blah" but also doesn't let me use zeros.
I need some help with a script which accepts multiple rows of input (analysis from a virtual robot's testrun) from the standard in, and compares it as a whole with another file featuring erroneous data from a virtual robot's test run. What I want it to be able to do is slice off all the erroneous... (2 Replies)
Hi,
I need sample code to compare the two files line by line which contains text strings and to print the difference in the third file.
Thanks in advance (1 Reply)
I have a file list.txt which has a list of file names with spaces between the file names like
/emptydir/file 1
how do i browse through the list.txt displaying the filenames. Almost all the file names in list.txt have space between them.This file list.txt is formed by using the find statement to... (5 Replies)
Hi All,
In one shell script I have
In variable "i" I am getting a full path of a file. Now I want to compare something like
-- upper(*Nav*))
I dont want to do like below because in each CASE statement I doing so many operations.
Please guide me.
Thanks in advance... (4 Replies)
Hi all,
Could someone please advise what is the correct syntax for my little script to process a table of values?
The table is as follows:
0.002432 20.827656
0.006432 23.120364
0.010432 25.914184
0.014432 20.442655
0.018432 20.015243
0.022432 21.579517
0.026432 18.886874... (9 Replies)
Hello everybody,
I need to create a file name from string. The thing is:
I have a directory with files e.g:
test.123
test.234
test.345
test.987
The name should be made from the first and last name of file alphabetically and from the directory, they are in, eg.
... (2 Replies)
Hi,
I am working in bash in Mac OSX, I have following 'input.txt' file:
<INFO> HypoTestTool: >>> Done running HypoTestInverter on the workspace combined
<INFO> HypoTestTool: The computed upper limit is: 11 +/- 1.02651
<INFO> HypoTestTool: expected limit (median) 11
<INFO> HypoTestTool: ... (13 Replies)
This should be a really easy question.
My input file will have a few fields that are strings in the first line, which I will extract and save as variables. The rest of the fields on every line will be integers and floating point numbers. Can awk tell the difference somehow? That is, is there... (5 Replies)
Hi,
I'm totally new at this, so help will be appreciated.
I have a directory with a bunch of files in it. The files are named xinteger_yinteger_zinteger.vtk (eg, x3_y0_z-1.vtk). I want to read the filenames and then assign the integers to variables that I then can use in expressions. So, for... (6 Replies)
Discussion started by: jhsinger
6 Replies
LEARN ABOUT PHP
simplexml_import_dom
SIMPLEXML_IMPORT_DOM(3) 1 SIMPLEXML_IMPORT_DOM(3)simplexml_import_dom - Get a SimpleXMLElementobject from a DOM node.SYNOPSIS
SimpleXMLElement simplexml_import_dom (DOMNode $node, [string $class_name = "SimpleXMLElement"])
DESCRIPTION
This function takes a node of a DOM document and makes it into a SimpleXML node. This new object can then be used as a native SimpleXML
element.
PARAMETERS
o $node
- A DOM Element node
o $class_name
- You may use this optional parameter so that simplexml_import_dom(3) will return an object of the specified class. That class
should extend the SimpleXMLElement class.
RETURN VALUES
Returns a SimpleXMLElement or FALSE on failure.
Warning
This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE. Please read the section on
Booleans for more information. Use the === operator for testing the return value of this function.
EXAMPLES
Example #1
Importing DOM
<?php
$dom = new DOMDocument;
$dom->loadXML('<books><book><title>blah</title></book></books>');
if (!$dom) {
echo 'Error while parsing the document';
exit;
}
$s = simplexml_import_dom($dom);
echo $s->book[0]->title;
?>
The above example will output:
blah
SEE ALSO dom_import_simplexml(3), "Basic SimpleXML usage".
PHP Documentation Group SIMPLEXML_IMPORT_DOM(3)