10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
dear all;
I can't under stand what does "trap" command do:
for example see below:
trap "echo; echo no interrupts >&2; sleep 3" 2 3 15
Plz , can any body explain the action of this command?
BR (3 Replies)
Discussion started by: ahmad.diab
3 Replies
2. UNIX for Dummies Questions & Answers
I'm learning about the trap command from my bash book. I tried out the little script they gave:
trap "echo 'You hit control-C!' " INT
while true; do
sleep 60
done
But when I type control-c, the script just stops and the message is not displayed. I checked stty all and saw that control-c... (11 Replies)
Discussion started by: Straitsfan
11 Replies
3. UNIX for Advanced & Expert Users
Hello experts!
I need to know the use of trap command please
In one of our program we have trap "rm -f temp1 ; exit 1" 1 2 15 0
and program always exit with 1
there is a rm -f temp1 as well at the end of the program
as
rm -f temp1
exit 0
when I test a probram with set... (4 Replies)
Discussion started by: ramshree01
4 Replies
4. Shell Programming and Scripting
I am trying to trap CTRL-C, now the program I call has it's own exit message, I think this is the problem ..
This is what I have now :
function dothis
{
echo 'you hit control-c'
exit
}
function settrap
{
trap dothis SIGINT
}
settrap
until false; do
./ITGRecv.exe
doneDoing this I... (2 Replies)
Discussion started by: Pmarcoen
2 Replies
5. Shell Programming and Scripting
Hey all, I'm a fairly new shell scripter (been writing some very basic stuff for a couple of years once in a blue moon).
I have the need to start 2 or 3 processes from within a bash script when it's run then have the script kind of hang out and wait for the user to ctrl+c and when that happens... (3 Replies)
Discussion started by: jsabino
3 Replies
6. Shell Programming and Scripting
Hi folks,
I have tried to add some trap detection in the below script....this script is used to monitor database activities...in a rather awkward way :rolleyes:....
The idea behind adding trap is that....this script creates lots of temporary files in the running folder to store the count... (1 Reply)
Discussion started by: frozensmilz
1 Replies
7. Shell Programming and Scripting
Hi,
I would like to know the use of TRAP command. I am very new to the UNIX environment. I have just started learning the basic. So please teach me in a very simple way to understand.
Also i would like to know the use of following command:
trap 'dialog --msgbox "Script Aborted1" 6 50 ;... (2 Replies)
Discussion started by: Deepakh
2 Replies
8. UNIX for Dummies Questions & Answers
Dear All
could you please explain me what does the trap command do and how I can write a program which can work as a trap command(in C Language). (1 Reply)
Discussion started by: mobile01
1 Replies
9. UNIX for Dummies Questions & Answers
i have the following script that displays the current time until the user presses CTR + c.... but it does not work properly....
Something is not right with the trap command...
Help plz... :confused:
# script to continuously display current time.
# if script is terminated trap signal... (3 Replies)
Discussion started by: onlyc
3 Replies
10. Shell Programming and Scripting
I am having a unix script which in turns calls another unix script.
Both are creating some temp files in /tmp which are supposed to be deleted after the end of each run
In the child script if I have statement like
trap "rm -f $messagefile" EXIT
A similar statement is there in parent... (3 Replies)
Discussion started by: superprogrammer
3 Replies