A while loop reading from stdin can be obscured by commands or functions that read from stdin.
A hardened loop is
--
A well-known shell-debugging is to put
in the script, or run it with
Last edited by MadeInGermany; 06-30-2014 at 02:20 PM..
In my organization in order for anyone to go to any Unix server they have to go through "SERVER A" and login as themselves.
Then people are free to go enywhere they please.
For example:
SERVER A, loggs in as himself
telnets to SERVER B, loggs in as guest
telnets to SERVER C, loggs in as... (8 Replies)
hi everybody ,
i have a solaris 5.6 box and i want to trace the route on an ip i treid traceroute but soalris 5.6 does not support it ...
is there a command that can be used equivelent to traceroute ?
thanks for your help (2 Replies)
Does anyone know if there is a util out there to run through a shell script and be able to trace the function call tree. I have inherited some code and the original author was ****mad**** keen on functions - even ones called only once!
If anyone knows of anything I would appreciate it - web... (3 Replies)
Hi,
Last day, In one of our unix boxes there was an issue wherein few of the directory structures were missing / got deleted.
Is there any way by which we can find how it happened, I mean by going through syslog / which user had run what command?
Thanks for your help (3 Replies)
Hi
I am working in ksh and getting the trace after trying to remove the file which in some cases does not exist:
$ my_script
loadfirm.dta.master: No such file or directory
The code inside the script which produces this trace is the following:
] || rm ${FILE}.master >> /dev/null
for... (3 Replies)
Hi
I would like to display only error messages from my log files while monotring application on my solaris box using tail command.
Is there other way we can monitor please let me know?
In general # tail -f "xyz.log' ---> this will display current activity of the logs, instead i would like... (4 Replies)
Hi,
I am an oracle DBA pretty new to unix. We had one of the filesystems full and a colleague cleared some stuffs to create more space. I just checked now and found there is now more space available. How do i find exactly what he cleared? We have oracle database installed and its a RAC... (4 Replies)
Hi All
Thought it would be kind of fun to implement a stack trace for a shell script that calls functions within a sub shell. This is for bash under Linux and probably not portable -
#! /bin/bash
error_exit()
{
echo "======================="
echo $1
echo... (4 Replies)
Hi,
is it possible to trace everything about user that changes from its own user to root user, failed and successful attempts (I would need user and IP address of user that was trying to do that)?
I tried adding auth.notice and auth.info in syslog.conf but it only tracks user withoud IP... (6 Replies)
Discussion started by: sprehodec
6 Replies
LEARN ABOUT SUNOS
break
break(1) User Commands break(1)NAME
break, continue - shell built-in functions to escape from or advance within a controlling while, for, foreach, or until loop
SYNOPSIS
sh
break [n]
continue [n]
csh
break
continue
ksh
*break [n]
*continue [n]
DESCRIPTION
sh
The break utility exits from the enclosing for or while loop, if any. If n is specified, break n levels.
The continue utility resumes the next iteration of the enclosing for or while loop. If n is specified, resume at the n-th enclosing loop.
csh
The break utility resumes execution after the end of the nearest enclosing foreach or while loop. The remaining commands on the current
line are executed. This allows multilevel breaks to be written as a list of break commands, all on one line.
The continue utility continues execution of the next iteration of the nearest enclosing while or foreach loop.
ksh
The break utility exits from the enclosed for, while, until, or select loop, if any. If n is specified, then break n levels. If n is
greater than the number of enclosing loops, the outermost enclosing loop shall be exited.
The continue utility resumes the next iteration of the enclosed for, while, until, or select loop. If n is specified then resume at the n-
th enclosed loop. If n is greater than the number of enclosing loops, the outermost enclosing loop shall be used.
On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:
1. Variable assignment lists preceding the command remain in effect when the command completes.
2. I/O redirections are processed after variable assignments.
3. Errors cause a script that contains them to abort.
4. Words that follow a command preceded by ** that are in the format of a variable assignment are expanded with the same rules as a vari-
able assignment. This means that tilde substitution is performed after the = sign, and also that word splitting and file name genera-
tion are not performed.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO csh(1), exit(1), ksh(1), sh( 1), attributes(5)SunOS 5.10 17 Jul 2002 break(1)