The problem with Juerd's is that it offers no error checking. This one does: 

perl -ple'$_=eval||$@||0'

[download]

For example: 

$ perl -ple'$_=eval'
1/0

[download]
vs. 
$ perl -ple'$_=eval||$@||0'
1/0
Illegal division by zero at (eval 1) line 2, <> line 1.

[download]

-sauoq
"My two cents aren't worth a dime.";

In reply to Re: Re: Help with simple calculator script. by sauoq
in thread Help with simple calculator script. by Anonymous Monk

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