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Script Error with Installcluster

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Operating Systems Solaris Script Error with Installcluster
# 1  
Old 06-15-2011
Script Error with Installcluster
I have this script I use for installing solaris 10 updates, and so far it's worked on every solaris 10 server except one. I get an error: "Unrecognised script interpreter"
I believe it's this part of the scirpt that cuases the problem but not sure what to do with it
Code:
 /usr/bin/pargs -l $$ 2> /dev/null | /usr/bin/egrep "^/usr/bin/(k|pfk|rk)sh" > /dev/null || {
    echo "ERROR: Unrecognised script interpreter."
    return 1 2> /dev/null
    exit 1


I suspect it's something to do with the shell environment just not sure how to fix it. thanks.
# 2  
Old 06-16-2011
The error message is printed, when the user runs another shell than some sort of ksh. Maybe the user is using bash or maybe the shell is configured with a path like "/bin/ksh". This is possible, because /bin is just a symbolic link to /usr/bin.

Run
Code:
pargs -l $$

on the server in question and then modifiy the egrep pattern accordingly.
This User Gave Thanks to hergp For This Post:
Kjons76
# 3  
Old 06-16-2011
I ran the code, it seems to be pointing to /usr/bin/ksh


Code:
# pargs -l $$
/usr/bin/ksh

I'm not sure what you mean by modify the egrep pattern?
# 4  
Old 06-17-2011
Quote:
Originally Posted by Kjons76
Code:
# pargs -l $$
/usr/bin/ksh

Thats odd, the error message should be printed only if the shell is not one of /usr/bin/ksh, /usr/bin/pfksh or /usr/bin/rksh.

What happens if you rephrase the if condition to
Code:
if [ -z `/usr/bin/pargs -l $$ 2> /dev/null | /usr/bin/egrep "^/usr/bin/(k|pfk|rk)sh" ` ] && {
   ...

# 5  
Old 06-17-2011
Maybe I could just comment out that whole line?
I'll have to schedule a time to do this. Tuesday is my maintenance window.

It's weird because I've ran this on a bunch of servers and haven't had any issues.
# 6  
Old 06-17-2011
If you comment out the if clause, don't forget to comment out everything up to the closing curly bracket. Check on a test system, so that you do not run into syntax errors.
Or even better, make it something like
Code:
# /usr/bin/pargs -l $$ 2> /dev/null | /usr/bin/egrep "^/usr/bin/(k|pfk|rk)sh" > /dev/null || {
true || {
   ...

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