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how to exit with success if the file is not found

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# 1  
Old 05-09-2007
how to exit with success if the file is not found
I want to put a exit if there is no file found.
In the directory I can have multiple txt files with EPISGCHGS as prefix or maynot have one.

When I am trying the following it is erroring if there is no text file with the EPISGCHGS as prefix.

for file in EPISGCHGS*.txt
do
cat $file > ultisource.txt
done

Thanks in advance.
# 2  
Old 05-09-2007
Try:
if [ -r EPISGCHGS*.txt ]
then
for file in EPISGCHGS*.txt
do
cat $file > ultisource.txt
done
else
echo no files found
fi

See manual page for test
If there is more than one input file ultisource.txt will only contain the last file found, if you want it to contain all of the files then you should change the cat line to cat $file >>ultisource.txt
# 3  
Old 05-10-2007
Thanks.But I am getting error.
It is erroring for : binary operator expected on the
if [ -r EPISGCHGS*.txt ] line.
Any suggestions?
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