12-13-2007
simple while loop
i have a script called file2
#!/bin/ksh
i=0
while [ $i -lt 5 ]
do
echo $i >> result.txt
i=`expr $i + 1`
done
echo "***********************" >> result
-------------------------------------------------------------------
Last edited by ali560045; 12-13-2007 at 05:17 AM..
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hallo everyone
I might just be being dumb, but I am using the BASH shell and cannot get the following script to work:
x=0
while
do
echo $x
x=´echo "$x + 1" | bc´
done
Can anybody help me out. I am just get a repeating output saying:
bc: command not found
0 + 1: command not... (5 Replies)
Discussion started by: syno
5 Replies
2. Shell Programming and Scripting
I have written a script that countsdown from 20 to 1 and has a sleep in between each count but I want to make it sleep for half a second but I get errors whenever I change the sleep from 1 second to half a second any ideas? I am using Sun OS 5.9 heres what I've got:
X=0
while
do
echo... (3 Replies)
Discussion started by: Brokeback
3 Replies
3. UNIX for Dummies Questions & Answers
Hi All
Just started with shell scripts and am stumped by, what is to most of you no doubt, a simple issue.
All I'm trying to do is prompt a user for input and writing to a log file. If the user types the word 'stop', then the program should halt. If the word typed is 'clear', then the log file... (2 Replies)
Discussion started by: kutz13
2 Replies
4. Shell Programming and Scripting
i have the following process running in background:
when i give "ps -lef"
------------------------------------------------------------------------
user2
user1
user1
user3
user1
user4
user5
user4
user3
user4
user2
user1
user1
user3
user1
user4 (3 Replies)
Discussion started by: ali560045
3 Replies
5. UNIX for Dummies Questions & Answers
Hello,
I have a file with over 48000 lines and I need to select certain parts of the file. I know which awk commands work for what I need, I just need some help putting together a loop that will repeat the command. These are the commands that work:
awk 'NR < 6' plot.out > plot.test (I get... (1 Reply)
Discussion started by: dsstamps
1 Replies
6. Shell Programming and Scripting
I have what I believe is a simple programming question. I have a text file that looks like:
mol 1 G:\stereo01.hin
block text
...
...
...
endmol 1
However, I would like a file that repeats this entire block of text several times over. The lines of text in the middle remain the same for each... (2 Replies)
Discussion started by: red baron
2 Replies
7. Shell Programming and Scripting
Hi expert,
I'm using csh
Code:
#!/bin/csh
set x = 0
set number = `awk '{array=$0} END {print array;}'`
i want to use for loop to store data to $number repeatly
untill x = 23
How to use c shell for loop? (2 Replies)
Discussion started by: vincyoxy
2 Replies
8. UNIX for Dummies Questions & Answers
I need to chmod a bunch of files with a specific extension in one directory.
If I understand correctly first I would run ls command like this
ls -R | grep .mp3 > /tmp/list
once I have the output file I should be able to run a loop to chmod all the files in the list created.
This is where... (5 Replies)
Discussion started by: eugenes18t
5 Replies
9. Shell Programming and Scripting
Does any body can help me with a loop in this example?
if
then
if
then
runner=$(grep "$1" "$2")
runne=$(grep "$1" "$3")
run=$(grep "$1" "$4")
fi
fi
#
# Message on screen... (3 Replies)
Discussion started by: bartsimpsong
3 Replies
10. Shell Programming and Scripting
Dear experts,
I am writing a bash script. At some point of the program I need to have 'for' loop. For simplicity I tried with some other simple code. The format of the loop is given below.
k=51
m=55
for j in {$k..$m};do
w=$(($j+2))
z=$(($j+9))
echo "$w, $z"
done
But my... (4 Replies)
Discussion started by: vjramana
4 Replies
LEARN ABOUT PHP
mysql_free_result
MYSQL_FREE_RESULT(3) 1 MYSQL_FREE_RESULT(3)
mysql_free_result - Free result memory
SYNOPSIS
Warning
This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:
omysqli_free_result(3)
oAssign the value of
NULL to the PDO object, or PDOStatement::closeCursor
bool mysql_free_result (resource $result)
DESCRIPTION
mysql_free_result(3) will free all memory associated with the result identifier $result.
mysql_free_result(3) only needs to be called if you are concerned about how much memory is being used for queries that return large result
sets. All associated result memory is automatically freed at the end of the script's execution.
o $
result -The result resource that is being evaluated. This result comes from a call to mysql_query(3).
Returns TRUE on success or FALSE on failure.
If a non-resource is used for the $result, an error of level E_WARNING will be emitted. It's worth noting that mysql_query(3) only returns
a resource for SELECT, SHOW, EXPLAIN, and DESCRIBE queries.
Example #1
A mysql_free_result(3) example
<?php
$result = mysql_query("SELECT id,email FROM people WHERE id = '42'");
if (!$result) {
echo 'Could not run query: ' . mysql_error();
exit;
}
/* Use the result, assuming we're done with it afterwards */
$row = mysql_fetch_assoc($result);
/* Now we free up the result and continue on with our script */
mysql_free_result($result);
echo $row['id'];
echo $row['email'];
?>
Note
For backward compatibility, the following deprecated alias may be used: mysql_freeresult(3)
mysql_query(3), is_resource(3).
PHP Documentation Group MYSQL_FREE_RESULT(3)