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Read variable name from file and use this?

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# 1  
Old 10-12-2012
Question Read variable name from file and use this?
I would like to read a variable name from file and I would like to use this...
e.g.

VARIABLE1=XXXXXX

File.txt
$VARIABLE1

Shell
for STRING in `cat File.txt`
echo $STRING
done

I would like the print XXXXXX.
It's possible????Smilie

Thanks Smilie
# 2  
Old 10-12-2012
try:
Code:
read VARIABLE1<File.txt
echo $VARIABLE1

# 3  
Old 10-12-2012
Code:
VARIABLE1=XXXXXX

cat file.txt
$VARIABLE1

v=$(<file.txt)
eval 'echo '$v

producing
Code:
XXXXXX

Last edited by elixir_sinari; 10-12-2012 at 11:26 AM..
This User Gave Thanks to elixir_sinari For This Post:
pinguc
# 4  
Old 10-12-2012
have you tried using eval..?
# 5  
Old 10-12-2012
I have writed the read but seems not work...

I try the eval..
# 6  
Old 10-12-2012
Quote:
Originally Posted by pinguc
I have writed this but don't print the value...

---------- Post updated at 09:25 AM ---------- Previous update was at 09:20 AM ----------

Seem dont' work...
try
Code:
VARIABLE1=$(<temp)
eval echo "$VARIABLE1"

# 7  
Old 10-12-2012
Misread your requirement. Check my earlier post.
Hope the value of that variable is under your control.
This User Gave Thanks to elixir_sinari For This Post:
pinguc
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