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Re: [Help-bash] floating point arithmetic
From: |
Chris F.A. Johnson |
Subject: |
Re: [Help-bash] floating point arithmetic |
Date: |
Tue, 31 Oct 2017 17:08:33 -0400 (EDT) |
User-agent: |
Alpine 2.10 (DEB 1266 2009-07-14) |
On Tue, 31 Oct 2017, João Eiras wrote:
I have my own little bash script for this use case:
$ cat calc
IFS=""
awk "BEGIN { print (${*:-0}); }" /dev/null
I use this:
calc()
{
awk 'BEGIN {print '"${*//x/*}"'}'
}
...so that I can use 'x' instead of '*', which needs quoting.
--
Chris F.A. Johnson, <http://cfajohnson.com>