Help with replacing a file

 
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Operating Systems Linux Red Hat Help with replacing a file
# 1  
Old 06-09-2011
Help with replacing a file

Hi

I need to replace A file with B when file A has no contents in linux.


Thanks
# 2  
Old 06-09-2011
What have you tried till now?
# 3  
Old 06-09-2011
Quote:
Originally Posted by vidyadhar85
What have you tried till now?
I Just created copy.sh
copy.sh

cp /test/serverInfo/nodeManager/NM1/nodemanager.domainsbackup nodemanager.domains

and kept in crontab it runs every 10 mins, but my requirement is when nodemanager.domains get blank i need to replace with nodemanger.domainsbackup file.

thanks
# 4  
Old 06-09-2011
# 5  
Old 06-09-2011
Use the simple if condition.
Code:
 
 
if [ ! -s filename ] ; then
cp file newfile
fi

# 6  
Old 06-09-2011
thanks it works. Smilie
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