Bc: File is unavailable

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# 1  
Bc: File is unavailable

Hello, Unix-Forum!

Yet another problem:

bc $var + 3.2

results in

File 1.5 is unavailable

So I must be doing something wrong but I don't know what.

# 2  
The message tells you that bc expects to read a file, but that "1.5" is not a file. Try:
echo "$var + 3.2" | bc

# 3  
Yes! Thank you!
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