Hello,
I have a string below
DUMMY=1,2,3,4,5,6
I want to extract fields 1-3 and put it as under in a file
1,2,3
I can do this using cut like below
echo $DUMMY | cut -d, -f1-3
But I would be processing more than 15000 such entries and I found that "cut" was using more CPU. So anyone... (2 Replies)
Hi,
I'm new to Unix. I want to read the all the lines from a text file and write the alternate lines into another file. Please give me a shell script solution.
file1
-----
one
two
three
four
five
six
seven
newfile(it should contain the alternate lines from the file1)
-------
one... (6 Replies)
Instead of using an external Certification Authority CA such as Verisgn, in windows I have been told there is something called self ssl ( The server is its own Certification Authority)
In Solaris is there such an alternate?
In need it for apache.
Much appreciate for any guidence.
Thanks (2 Replies)
I am new to Shell Scripting and I need help to write the following script in a different format...
This is the current script:
#!/usr/bin/ksh
environment=rms
export environment
. $AW_HOME/RETEK/exec/RETEK_ENVAR
ls -ltr $MMPOS/RTLOG* | tr -s " " | cut -d " " -f9... (20 Replies)
Bit of a weird one i suppose, i want to use an echo inside an echo... For example...
i have a script that i want to use to take users input and create another script. Inside this script it creates it also needs to use echos...
echo "echo "hello"" >$file
echo "echo "goodbye"" >$file
... (3 Replies)
Hi,
I have these two files .
file1
/home/prog/bug/perl
/home/prog/bug/ant
/home/prog/bug/make
/home/prog/bug/gen
/home/prog/bug/tiff
file2
/home/prog/bug/make
/home/prog/bug/gen
i want a output file which should contain
file1-file2 (2 Replies)
Experts,
At the moment I am working in AIX box where sed -i is not available.
My requirement is as below
Two files file1 and file2. file1 contains the IP address, its count. file2 contains the Hostname and its corresponding IP address. I would like get the IP address replaced with the apt... (7 Replies)
Discussion started by: sathyaonnuix
7 Replies
LEARN ABOUT PHP
boolval
BOOLVAL(3) 1 BOOLVAL(3)boolval - Get the boolean value of a variableSYNOPSIS
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)