so... would u suggest i put a second loop, or break statement to end it?
i'm trying to make it so that every time a person types a command in, it is is redirected. I could put in an if that needs a string which no one would guess as input. otherwise I don't see a way I can test this effectively or break out of it if i want to without using ctrl-c
The script is stuck in an infinite loop due to the while. Change the while to an if statement if all you want is $2 sent to new.txt file. There is no need to loop for that.
If $2 is not a UNIX command the "$2>/Users/a/new.txt" line should give you an error.
Please Help! :o
I have a main script (ksh) where another script is called (convert_picture). Normally this works ok, but since some changes has been made on the unix-server (I dont know what :( ) suddenly it doesnt work anymore: i get an error message: ksh: convert_picture not found. I am... (3 Replies)
hey guys. i have a bunch of programs in a script that needs to run as root and the rest as another user, we'll call him gabriel.
now, in this script, i want to run the first few lines as root. now, how do i, after running as root, tell the script to run the remaining lines as the user gabriel?... (3 Replies)
Hi
Please help me with the following problem with my script.
The following block of code is not repeating in the while loop and exiting after searching for first message.
input_file
==========
host001-01
host001-02
2008-07-23 13:02:04,651 ConnectionFactory - Setting session state... (2 Replies)
hi,,
i have perl scipt with line :
system('./try.sh $t $d $m');
in shell scipt try.sh i have the line:
echo $1
its not printing value of $t that i hav passed..y is it so..i am running it from apache web server (2 Replies)
Hello All. I have a script that is suppossed to start up a daemon but when executed, simply hangs. Could you please take a look and let me know where the problem might be? TIA
###################################################################
#
# SCRIPT: dstart3000.sh
# Bring up the Domain... (6 Replies)
Hi everyone,
I got a problem with a script. What it's supposed to do is:
to take as arguments a directory name <dir> and a dimension (in byte) <dim>;
if <dir> exists, to write name and dimension of every regular file within it that sizes lesser than <dim> in regFileList.
Nothing happens... (10 Replies)
Hi all,
I have a script that calls another program/script, xxx, to run in the background. Supposedly this program at most should finish within five (5) minutes so after five (5) minutes, I run some other steps to run the script into completion.
My problem is sometimes the program takes... (5 Replies)
Hi ,
I have moduled my scripts in three scripts .
From First script i am calling second and from second i am calling third for some check .
Problem is with the third script call.
---In second script
EXP ='test.\abc.\Server.*abc.xml.*'
pid=$($HOME/bin/checkpid $EXP)
--Third... (2 Replies)
Hello,
Ubuntu server 11.10
can anybody help what is problem with my shell script?
#!/bin/bash
#script to find out currently logged on user is root or not.
if ]
then
echo "You are super"
else
echo "You are awesome!"
fi
When I run script, I get following output
./uid: line 3:
I... (4 Replies)
Hi team,
I have a script in different folder. Now i want to call that script and execute that script from that path alone.
My code is
#!/bin/bash
wname=yahoo
PATH='/opt/IBM'
wac=`/usr/bin/ls $PATH | /usr/bin/grep "$wname"`
STOP=`/usr/bin/find $PATH/$wac -type f -name "stop.sh"`... (8 Replies)
Discussion started by: natraj005
8 Replies
LEARN ABOUT MOJAVE
while
while(n) Tcl Built-In Commands while(n)
__________________________________________________________________________________________________________________________________________________NAME
while - Execute script repeatedly as long as a condition is met
SYNOPSIS
while test body
_________________________________________________________________DESCRIPTION
The while command evaluates test as an expression (in the same way that expr evaluates its argument). The value of the expression must a
proper boolean value; if it is a true value then body is executed by passing it to the Tcl interpreter. Once body has been executed then
test is evaluated again, and the process repeats until eventually test evaluates to a false boolean value. Continue commands may be exe-
cuted inside body to terminate the current iteration of the loop, and break commands may be executed inside body to cause immediate termi-
nation of the while command. The while command always returns an empty string.
Note: test should almost always be enclosed in braces. If not, variable substitutions will be made before the while command starts execut-
ing, which means that variable changes made by the loop body will not be considered in the expression. This is likely to result in an
infinite loop. If test is enclosed in braces, variable substitutions are delayed until the expression is evaluated (before each loop iter-
ation), so changes in the variables will be visible. For an example, try the following script with and without the braces around $x<10:
set x 0
while {$x<10} {
puts "x is $x"
incr x
}
EXAMPLE
Read lines from a channel until we get to the end of the stream, and print them out with a line-number prepended:
set lineCount 0
while {[gets $chan line] >= 0} {
puts "[incr lineCount]: $line"
}
SEE ALSO
break(n), continue(n), for(n), foreach(n)
KEYWORDS
boolean value, loop, test, while
Tcl while(n)