Hey all. I have a file that has roughly 115,000 lines in it. There are a few lines of information that I don't want in it, but I don't want to search through all of the lines to find the ones that I don't want. Is there a way to do a mass delete of the lines that I don't want?
Thanks for the... (4 Replies)
Is it possible in VI to do a global change but take the search patterns and the replacement patterns from an external file ?
I have cases where I can have 100,200 or 300+ global changes to do. All the new records are inside a file and I must VI a work file to change all of them.
Also, can... (1 Reply)
Hi :)
Is there any command I could use to rename a bunch of files resident of the same location to their original name plus a fixed text string of my own?
Example:
File1
File2
File3
Output:
File1.txt
File2.txt
File3.txt
This is easy using a "for" loop but what I want is a one-line... (5 Replies)
I'm trying to upgrade a whole bunch of pages on my site to a new design.
I thought one way of doing it would be to enclose the content in special comment tags and then use some form of script to wrap the new html around it. Like this:
<!-- content start -->
<h1>Blah blah blah</h1>
yada yada... (9 Replies)
So I am probably missing something , but when I made edits to my DB_CONFIG file to fix form db_lock issues, the changes are not propagating after a service restart.
Anyone know if I need to run anything else, or are the changes live? (0 Replies)
1. The problem statement, all variables and given/known data:
2. Relevant commands, code, scripts, algorithms:
We have to do this using 'unix tools' and not use the script as if it were C. Meaning, he wants more uses of grep, sed, awk, cut, etc... than he does while, for, do's and done's.... (23 Replies)
File_1 looks like:
bunch of text
Untitled Placemark
bunch of text
bunch of text
Untitled Placemark
bunch of text
bunch of text
Untitled Placemark
bunch of text
File_2 looks like:
Title_001
Title_002
Title_003
First:
I need to replace the 1st occurence of "Untitled Placemark"... (2 Replies)
I found a closed thread that helped quite a bit. I tried adding the URL, but I can't because I don't have enough points... ?
Modifying the syntax to remove ! ~
find . -type f -name '*~\!]*' |
while IFS= read -r; do
mv -- "$REPLY" "${REPLY//~\!]}";
done
These messages are... (2 Replies)
Discussion started by: rabidphilbrick
2 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)