I have output like the following:
B D 20070116095820001 N D S0000579.LOG S0000582.LOG
B D 20070116095750001 N D S0000574.LOG S0000576.LOG
B D 20070116095734001 N D S0000570.LOG S0000573.LOG
B D 20070116095705001 N D S0000569.LOG S0000569.LOG
B D ... (5 Replies)
Hello,
How would i go about editing a file using VI within a shell script please?
Basically, i want to open a file, clear it's contents and save the file.
I found this on the web using "ex" but can't seem to get it to work:
ex /home/oconnor/TOOLS/UNIXCMDS/test_ex <<eof_ex
dd /*i put... (2 Replies)
Hallo Friends,
I have written a script which goes through different directories deleting files but I think there is a shorter way I can do this please help.
#!/bin/ksh
#set -x
cd /minotaur/Data/CFD_Input/E_CIF
cd 051
for files in 2008*
do
rm -rf $file
done
#
cd ../052
for... (3 Replies)
Hi,
I have an ascii file with recurring lines (the file is 36mb so lots of lines) which look like this:
-2.5 -66.324-68.138 935.2 1.953 -0.664 272.617 73.684 -2.428 269.998 0.000
Every 14 lines there is a blank line.
I would like to, for each non-blank line,... (2 Replies)
Hello all!
This is my first post and I'm very new to programming. I would like help creating a simple perl or bash script that I will be using in my work as a junior bioinformatician.
Essentially, I would like to take a tab-delimted or .csv text with 3 columns and write them to a "3D" matrix:
... (16 Replies)
i wrote script for if file exists script do file edit problem with the script get stuck not existing as for exit i mentioned exit 0 , and how to give the exception for script it should add
./script -- add hi
./script --add "hi how are you"
now below script with case it is working for... (0 Replies)
Discussion started by: markjohn1
0 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)