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Re: [Help-bash] howto pass bash array to bc
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From: |
Greg Wooledge |
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Subject: |
Re: [Help-bash] howto pass bash array to bc |
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Date: |
Wed, 8 Aug 2012 13:43:18 -0400 |
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User-agent: |
Mutt/1.4.2.3i |
On Wed, Aug 08, 2012 at 12:38:51PM -0500, address@hidden wrote:
> I know this is not strickly bash but ...
> If I have a bash array, a=("1" "2" "3"), and I want to pass this array to
> bc for some computations, how do I/can I do this?
You'd need an operator of some kind, not just numbers. Let's suppose
you want to add them all:
a=(1 2 3)
IFS=+; echo "${a[*]}" | bc; unset IFS