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how to read a variable?

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# 1  
Old 04-29-2009
how to read a variable?
i want to ask how can i read a variable?

like
Code:
for i in 1 2 3
do
cat file${1} | while read something
do
if [ ]
echo " file name: file${i}" >>temp
else
echo ", file${i}" >>temp
done
done

it is not working, can i do something like that?

actually i want the output below
file name: file1, file2, file3
Last edited by mingming88; 04-29-2009 at 11:59 AM..
# 2  
Old 04-29-2009
can anyone please help me with the question?
Thank you
# 3  
Old 04-29-2009
Please don't up bump up the posts - it's against the rules.
# 4  
Old 04-29-2009
Quote:
Originally Posted by mingming88
i want to ask how can i read a variable?

like
Code:
for i in 1 2 3
do
cat file${1} | while read something
do
if [ ]
echo " file name: file${i}" >>temp
else
echo ", file${i}" >>temp
done
done

it is not working, can i do something like that?

actually i want the output below
file name: file1, file2, file3
Not sure what you are looking for. try this
Code:
echo -n "filename: ";for i in 1 2 3;do echo -n "file${i} ";done

# 5  
Old 04-29-2009
On the cat command - you have ${1} instead of ${i} - that will not do what you seem to want.

Quote:
Originally Posted by mingming88
i want to ask how can i read a variable?

like
Code:
for i in 1 2 3
do
cat file${1} | while read something
do
if [ ]
echo " file name: file${i}" >>temp
else
echo ", file${i}" >>temp
done
done

it is not working, can i do something like that?

actually i want the output below
file name: file1, file2, file3
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