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bug#69488: tr (question)
From: |
lacsaP Patatetom |
Subject: |
bug#69488: tr (question) |
Date: |
Mon, 4 Mar 2024 09:25:24 +0100 |
Le ven. 1 mars 2024 à 20:30, Pádraig Brady <P@draigbrady.com> a écrit :
> On 01/03/2024 15:33, lacsaP Patatetom wrote:
> > hi,
> >
> > I did a few tests with tr and I'm surprised by the results...
> >
> > $ echo éèçà
> > éèçà
> >
> > these characters are encoded in utf-8 on 2 bytes :
> >
> > $ echo éèçà | xxd
> > 00000000: c3a9 c3a8 c3a7 c3a0 0a .........
> >
> > now I use tr to remove non-printable characters :
> >
> > $ echo éèçà | tr -cd '[:print:]'
> > $ echo éèçà | tr -cd '[:print:]' | wc
> > 0 0 0
> >
> > all characters are deleted by tr
> > now I want to keep the "é" character :
> >
> > $ echo éèçà | tr -cd '[:print:]é'
> > ��
> >
> > why do the "�" characters appear ?
> >
> > regards, lacsaP.
>
>
> It's a known issue that tr is currently non multi-byte aware.
>
> thanks,
> Pádraig
>
hi,
thank you for this clarification.
what alternative to `tr` would you recommend for this type of treatment ?
regards, lacsaP.