On 08/31/2015 05:55 AM, Mike - st257 wrote:
I'm not an expert in bc, so I might be wrong, but it looks like setting
>the ibase inside a function is simply too late. ibase affects how bc
>interprets input.
>
Thanks Gordon.
Big bummer given that behavior. :-/
I suppose that depends on what you're trying to accomplish. Most
conversions you can do entirely within bash, if that's your goal.
function dec_to_hex () { printf '%x\n' $1; }
function hex_to_dec() { printf '%d\n' $(( 16#$1 )); }
function hex_to_bin() { echo 'obase=2;' $(( 16#$1 )) | bc; }
$ dec_to_hex 10
a
$ hex_to_dec a
10
$ hex_to_bin a
1010
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