Hi all,
How can I use sed to perform a substitution if the string that I'm going to substitute is stored in a variable:
Let's say:
sed 's/abcdefg/good'
VS
tmp="abcdefg"
sed 's/$tmp/good'
The second case doesn't work. Guess it's due to the single quotes on the outside. How can I... (1 Reply)
Hi, I am getting the error
01.30 Invalid shell error
I am running the bash shell script in the korn login shell.
I have mentioned the #!/bin/bash statement in the my script but not sure why it is giving this error to me.. (4 Replies)
Here is the question...
Create a new script, sub2, taking three parameters...
1.) the string to be replaced
2.) the string with which to replace it
3.) the name of the file in which to make the substitution
...that treats the string to be replaced as plain text instead of as a regular... (1 Reply)
Guys,
May i know how can we de reference the code reference variable.?
my $a = sub{$a=shift;$b=shift;print "SUM:",($a+$b),"\n";};
print $a->(4,5);
How can we print the whole function ?
Please suggest me regarding this.
Thanks for your time :)
Cheers,
Ranga :) (0 Replies)
Hi,
I have this script which gives me output as Invalid null command
set recent_file=`grep '^-.*xlsx$' $FTP_LOG |\
sed -e 's/Jan/1/g' \
-e 's/Feb/2/g' \
-e 's/Mar/3/g' \
-e... (6 Replies)
I am trying to change a single line of a special file whose comment character is ! to show a path to the file in the comment. such as:
!!HFSS and mcm path: \Signal_Integrity\Package_SI\Section_Models\C4toTrace\28nm\D6HS\SLC_5-2-5\GZ41_ICZ\NSSS\
to a different path and replace the !!HFSS... (1 Reply)
Hi,
I need a ksh script to replace indirect directory references in an .ini file with a env variable using sed or awk.
The .ini file is for example as such:
A=..
B=../
C=../..
D=../../
E=../bin
F=../../bin
G=../../bin/xml
H=../../bin/xml/
Need to replace an instance of .. or... (2 Replies)
i have a text
20 21 22 23 24 25 26
i want to get 22 using sed back reference.
I have used sed 's/{6}\(..\).*/\1/'
but, it does not work.
I am missing something somewhere.
Please help. (5 Replies)
I have data that looks like this:
<Country code="US"><tag>adsf</tag><tag>bdfs</tag></Country><Country code="CA"><tag>asdf</tag><tag>bsdf</tag></Country>
I want to grab the country code save it, then drop each new "<..." onto a new line with the country code added to the beginning of each
So,... (9 Replies)
Discussion started by: JenniferAmon
9 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)