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[Solved] Error in script while counting processes

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# 1  
Old 03-11-2014
[Solved] Error in script while counting processes
Hi all,

Below is a script I'm writing and giving me error:

Code:
#!/usr/bin/sh
if [ ps -ef|grep dw.sap|wc -l -gt 17 ]; then
       echo "Success!"
else
       echo "Failure!"
fi

Normally if I do
Code:
ps -ef|grep dw.sap|wc -l

it gives me output of 18. So my script checks if it's greater than 17 it echoes success else failure

Please suggest how to correct this.

regards.
# 2  
Old 03-11-2014
Hello,

Could you please try the following and let us know.

Code:
if [[ `ps -ef|grep dw.sap|wc -l` -gt 17 ]]; then
        echo "Success!"
else
        echo "Failure!"
fi


Thanks,
R. Singh
This User Gave Thanks to RavinderSingh13 For This Post:
frum
# 3  
Old 03-11-2014
Hi Ravinder,

Thanks. It works fine now.

regards.
# 4  
Old 03-11-2014
Code:
#!/usr/bin/sh
if [ $(ps -ef|grep dw.sap|wc -l) -gt 17 ]; then
       echo "Success!"
else
       echo "Failure!"
fi

# 5  
Old 03-11-2014
Use -c with grepinstead of wc -l
Code:
#!/usr/bin/sh
if [ $( ps -ef | grep -c dw.sap ) -gt 17 ]; then
       echo "Success!"
else
       echo "Failure!"
fi

# 6  
Old 03-11-2014
The following are more precise perhaps (you didn't provide a ps output)
Code:
$( ps -ef | grep -c 'dw[.]sap' )

Code:
$( ps -ef | grep -wc 'dw[.]sap' )

This User Gave Thanks to MadeInGermany For This Post:
yogendra.barode
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