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Re: [shell-script] teste numerico


From: MrBiTS
Subject: Re: [shell-script] teste numerico
Date: Tue, 23 Sep 2008 16:18:01 -0300
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Humberto Cruz wrote:
> pode ser tambem:
> 
> $ var=123456 #variavel
> $ tr -d ".," <<< $var #remove ponto ou virgula ( para testar numeros decimais 
> )
> $ if [ $var -eq $var ]; then echo "num"; else echo "nao-num"; fi
> #testa numericamente

Não pode não

$ var=13.456
$ echo $var
13.456
$ tr -d '.' <<< $var
13456
$ echo $var
13.456
$ if [ $var -eq $var ]; then echo "num"; else echo "nao-num"; fi
bash: [: 13.456: integer expression expected
nao-num

De mais a mais, $var sempre será igual $var

- --

Um abraço

.0. MrBiTs - address@hidden
..0 GnuPG  - 
http://keys.cardboard.net:11371/pks/lookup?op=get&search=0xAC37715A6DD1F186
000 http://www.mrbits.com.br


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