05-26-2011
6 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I would like to learn shell scripting in UNIX. Can any one please give me the support and share the information/documents with me.
If any documents please post it to aswanikumar_nimmagadda@yahoo.co.in
Thanks in advance...!!! (3 Replies)
Discussion started by: aswani_n
3 Replies
2. Shell Programming and Scripting
Hi,
I want to add \n as a EOF at the end of file if it does't exist in a single command. How to do this?
when I use command
echo "1\n" > a.txt
and
od -c a.txt
0000000 1 \n \n
0000003
How does it differentiate \n and eof in this case?
Regards,
Venkat (1 Reply)
Discussion started by: svenkatareddy
1 Replies
3. Shell Programming and Scripting
Hi
I have written a script .The script runs properly if i write sql queries .But if i use PLSQL commands of BEGIN if end if , end ,then on running the script the comamds are getting printed on the prompt .
Ex :temp.sql
After connecting to the databse at the sql prompt i type... (1 Reply)
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4. Post Here to Contact Site Administrators and Moderators
I have read the sun-expansion scenario numerous places but I've never read any suggestion that the earth's orbit would increase to avoid being scorched. What mechanism would push it out?
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5. War Stories
I hope you will enjoy reading this essay I wrote:
The (Mis)Information Age – The End of the World as We Know It and What Vault7 Teaches Us
If you are a true "IT person" i.e. a software developer, code or deep system admin, I think you will resonate with the theme of my essay.
I could... (8 Replies)
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6. What is on Your Mind?
This is an excellent video comment on modern society and the remix is good too:
https://www.youtube.com/watch?v=5DU1B_XkyIk
5DU1B_XkyIk
Watch the video above and post your comments. (3 Replies)
Discussion started by: Neo
3 Replies
BOOLVAL(3) 1 BOOLVAL(3)
boolval - Get the boolean value of a variable
SYNOPSIS
boolean boolval (mixed $var)
DESCRIPTION
Returns the boolean value of $var.
PARAMETERS
o $var
- The scalar value being converted to a boolean.
RETURN VALUES
The boolean value of $var.
EXAMPLES
Example #1
boolval(3) examples
<?php
echo '0: '.(boolval(0) ? 'true' : 'false')."
";
echo '42: '.(boolval(42) ? 'true' : 'false')."
";
echo '0.0: '.(boolval(0.0) ? 'true' : 'false')."
";
echo '4.2: '.(boolval(4.2) ? 'true' : 'false')."
";
echo '"": '.(boolval("") ? 'true' : 'false')."
";
echo '"string": '.(boolval("string") ? 'true' : 'false')."
";
echo '"0": '.(boolval("0") ? 'true' : 'false')."
";
echo '"1": '.(boolval("1") ? 'true' : 'false')."
";
echo '[1, 2]: '.(boolval([1, 2]) ? 'true' : 'false')."
";
echo '[]: '.(boolval([]) ? 'true' : 'false')."
";
echo 'stdClass: '.(boolval(new stdClass) ? 'true' : 'false')."
";
?>
The above example will output:
0: false
42: true
0.0: false
4.2: true
"": false
"string": true
"0": false
"1": true
[1, 2]: true
[]: false
stdClass: true
SEE ALSO
floatval(3), intval(3), strval(3), settype(3), is_bool(3), Type juggling.
PHP Documentation Group BOOLVAL(3)