<div dir="ltr">When you use single quotes you stop variable expansion. Try double quotes or forcing expansion with scale='2;${total}/60'<div><br></div><div style>Dan</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Feb 11, 2013 at 3:24 PM, Mike Bean <span dir="ltr"><<a href="mailto:beandaemon@gmail.com" target="_blank">beandaemon@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I've got a script I'm trying to finish, the problem in a nutshell however is that bash appears to treat all arithmatic as real numbers/integers, and while I don't need accuracy down to the 10th place, down the 2nd place would be nice.<div>
<br></div><div>In my research I found echo 'scale=2;87/60' | bc</div><div>which works well, however the problem is I'm not going to know the first term, I've got to be able to pass it a variable, and all attemptse to date have resulted in:</div>
<div><br></div><div><div>bash-4.1$ echo 'scale=2;$total/60' | bc</div><div>(standard_in) 1: illegal character: $</div><div><br></div><div>(scratches head)</div><span class="HOEnZb"><font color="#888888"><div><br>
</div><div>Mike</div>
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