Shell Programming and Scripting

Hi,

I am trying to execute this command, but is it not working, says "`;' unexpected"

Code:

eval $lgrep $SAM_CMD ; if [$? -ne 0] ; then ; echo "No Error" ; fi

What i want is, return the command output, if it is non zero, say "No Error".

Thanks, John.

a couple of things. what are the values of the $lgrep and $SAM_CMD?
and logic for most UNIX commands is that a return of 0 is good so a -ne (not equal) compare to 0 should have a error message of "Error".
Now what you need to watch is that the value of $? is from the last command run before the check.so if you have a string of commands then it may not be what is expected.

Yes, you got it right. The values are just the command to look out for errors, and if there are any, i would get a couple of rows listing the error.

However, if i run those command in prompt, if there are no errors, i get the next prompt.

Space characters missing near the square brackets? And extra semi-colon. And shouldn't the compare be "-eq 0" if there is no error?

Code:

eval $lgrep $SAM_CMD ; if [ $? -eq 0 ] ; then echo "No Error" ; fi

Nope, i tried, still the same ";" error. It says "`;' unexpected"

Take the ";" out from between the then and the echo
if [$? -ne 0] ; then echo

This is the command i am running :

Code:

eval $lgrep $SAM_CMD ; if [ $? -eq 0 ] ; then echo "No Error" ; fi

but it gives me the following error:

Code:

LdapMonitor.ksh[78]: [0:  not found