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Groups > gnu.bash.bug > #15588

Re: bug in arithmetic expansion

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    Date:        Sat, 9 Nov 2019 16:39:52 +0100
    From:        Davide Brini <dave_br@gmx.com>
    Message-ID:  <1MI5UD-1ifIp305PL-00FFhG@mail.gmx.com>

  | If you want to force base 10 interpretation (remember that leading 0 mean
  | octal in arithmetic context), you need to explicitly tell bash:
  |
  | $ echo $(( 10#0123 ))
  | 123

But do remember that that form is not portable, and is difficult to
use correctly in the cases that matter (when the actyal number comes
from a variable .. when it is literal, as in all the examples in this
thread, simply omitting the leading 0 is much simpler, and fully portable).

kre

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Re: bug in arithmetic expansion Robert Elz <kre@munnari.OZ.AU> - 2019-11-10 00:14 +0700

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