simple if and then statement


 
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# 1  
Old 09-20-2008
simple if and then statement

guys,

in one of my script, I want to include and a if and then statement which basically does the the following:
if a file (constant location and filename) is greater in size than 0 bytes, then it should send out an email.

I have tried the following so far with no luck:

1) if [ -s /usr/filelocation/filename.txt ] # is filename.txt > 0
then
mail -s xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

2) if [ du -sb /usr/filelocation/filename.txt -gt 0 ]
then
mail -s xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx


please advise.
# 2  
Old 09-20-2008
option 1 should work and is preferred.

can you replace your mail line with a simple echo to see if the problem is not with your mail statement?
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