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Re: [shell-script] Subtração
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From: |
Victor Pereira |
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Subject: |
Re: [shell-script] Subtração |
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Date: |
Wed, 11 Oct 2000 19:37:49 -0300 |
vc faria assim
$DIANT=`expr $DIA '-' 5`
man expr
[ ]'z
zyon:/work#cd /pub
zyon:/pub#more beer
zyon:/pub#cd ~
zyon:~#sleep 18h && poweroff
___________________________________
Victor Alexandre do Valle Pereira
Unix, Security, Networking, Eleet Coding
Módulo Security Solutions -SP - Brasil
ICQ Number:163
----- Original Message -----
From: "Rodrigo Bernardo Pimentel" <address@hidden>
To: <address@hidden>
Sent: Wednesday, October 11, 2000 4:08 PM
Subject: Re: [shell-script] Subtração
> On Wed, Oct 11 2000 at 03:49:46pm -0300, Marcos M. S. Rezende wrote:
> > PessoALL,
> >
> > Como eu faço para subtrair de uma váriavel um dado valor?
> >
> > Ex.: DiaAnt=$Dia - 5
>
> DiaAnt=$(( $Dia - 5 ))
>
> (os espaços são por fins didáticos ;)
>
>
>
> rbp
>
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