Date: Sat, 6 Apr 2013 00:10:24 +0200 From: Cedric Blancher <cedric.blancher@googlemail.com> To: freebsd-i18n@freebsd.org Subject: Re: Where does FreeBSD tr -C differ from tr -c? Message-ID: <CALXu0Uc28U9DkChvNLVJzb57aQNPcdz8yvLxu_LvmTBRZRMW1w@mail.gmail.com> In-Reply-To: <CALXu0Ue5uX05md777qJP8rHKZR1f1L-%2B0CR3Osjo1rRET8shrg@mail.gmail.com> References: <CALXu0Ue5uX05md777qJP8rHKZR1f1L-%2B0CR3Osjo1rRET8shrg@mail.gmail.com>
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On 5 April 2013 16:04, Cedric Blancher <cedric.blancher@googlemail.com> wrote:
> Has anyone discovered examples for FreeBSD tr -c producing different
> output than tr -C?
> I tried this (ksh93) test script but it NEVER produces a difference in
> the en_US.utf8 and fr_FR.utf-8 locales:
>
> ------ snip ------
> builtin rm
>
> typeset string
> typeset -li16 n_ch ;
>
> for (( n_ch=1 ; n_ch < 0x5000 ; n_ch++ )) ; do
> ch="$(printf "\u[${n_ch/~(El)16#/}]")"
> string+="$ch"
> done
>
> typeset -li16 m1 m2
> for (( m1=0x32 ; m1 < 0x3000 ; m1+=7 )) ; do
> (( m2=m1+1500 ))
> range="$(printf "\u[${m1/~(El)16#/}]-\u[${m2/~(El)16#/}]")"
>
> tr -Cd "$range" <<<"$string" >'res_C' &
> tr -cd "$range" <<<"$string" >'res_c' &
> wait
> res_c="$( <'res_c' )"
> res_C="$( <'res_C' )"
> rm 'res_c' 'res_C'
>
> if [[ "$res_c" != "$res_C" ]] ; then
> printf 'DIFFER range=%q\n' "${range}"
> fi
> done
> exit 0
> ------ snip ------
>
> So when does tr -C differ from tr -c? I need examples, please...
Anyone? FreeBSD tr implements option -C but there are no usage
*examples* where exactly it differs from -c.
Ced
--
Cedric Blancher <cedric.blancher@googlemail.com>
Institute Pasteur
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