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Re: [shell-script] substring em shell


From: Humberto Pereira
Subject: Re: [shell-script] substring em shell
Date: Thu, 28 Sep 2006 18:36:55 -0300
User-agent: Opera Mail/9.02 (Linux)

On Thu, 28 Sep 2006 18:11:56 -0300, Wilames A. de Sousa <address@hidden> wrote:
Pessoal,

Estou com uma necessidade particular de ler os 3 ultimos caracteres de uma cadeia, pensei algumas maneiras toscas mas não funcionou.
Ola,

        echo "1234567890" | sed 's/^.*.{3}/\1/'

ou ainda

        echo "1234567890" | rev | cut -b-3 | rev


[]s
Humberto Pereira

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