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IF section problem. syntax error: unexpected end of file error

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# 8  
Old 07-31-2014
Quote:
Originally Posted by Don Cragun
For clarity when reading a script, I don't usually use:
Code:
if ! tail -50 SapAdapterInboundRfc-P30-SapAdapterInboundSynchronous.log | grep -i "Error" >/dev/null

when the compound-list is more than about 40 characters long
That filename is a mouthful, yes. I'd put it in a variable Smilie
# 9  
Old 08-01-2014
Quote:
Code:
returned=`tail -50 SapLogs.log | grep -i "Error"`
echo $returned

and then checking whether "$returned" expands to an empty string.
What if we make use of grep's return value?

Code:
tail -50 SapLogs.log | grep -iq "Error"
if [ $? -eq 0 ]; then
  echo found error
else
 echo no error
fi

less code, avoid subshell invocation?
# 10  
Old 08-01-2014
Quote:
Originally Posted by clx
What if we make use of grep's return value?

Code:
tail -50 SapLogs.log | grep -iq "Error"
if [ $? -eq 0 ]; then
  echo found error
else
 echo no error
fi

less code, avoid subshell invocation?
The original script didn't produce "found error"; it listed the error(s) found. To duplicate that behavior this way would be:
Code:
tail -50 SapLogs.log | grep -iq "Error"
if [ $? -eq 0 ]; then
  tail -50 SapLogs.log | grep -i "Error"
else
 echo no error
fi

The suggestions Corona688 (as long as we drop the >/dev/null) and I posted avoid the subshell and also avoid duplicating calls to tail and grep.
# 11  
Old 08-01-2014
Oh God!
Thank You both for help! Yes, You are right, I am using notepad++, but in the Windows convention instead of Unix... How stupid I am. I've changed the convention to Unix type and my script works as hell!

From today You are my Unix Gods.

Regards,
Adrian Jędrzejewski
This User Gave Thanks to jedzio For This Post:
Corona688
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