Re: suma en bash

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#8730

From: ale
Date: Thu, 10 Oct 2002 04:33

47 lines
1629 bytes

Esteban Navarro <scandisk@able.es> wrote in message news:<mg9tna.81a.ln@127.0.0.1>...-
> 
> 
> Estoy intentando crear un script en bash que me sume los numeros de un 
> fichero: ej.
> 
> 12,67
> 14,78
> 45,90
> 56,34
> ...
> 
> �Es posible?
> 


# suma numeros enteros

suma=0
for num in `cat fichero`
    do
      ((suma+=num))
    done

echo "$suma"


# suma numeros de punto flotante (decimal separado por un punto)

suma=0
for num in `cat fichero`
     do
        suma=$(echo "scale=2; $suma+$num" | bc)
     done

echo "$suma"


# suma numeros de punto flotante (decimal separado por una coma)

suma=0
for num in `sed 's/,/./g' fichero`
     do
        suma=$(echo "scale=2; $suma+$num" | bc)
     done

echo `echo "$suma" | sed 's/\./,/'`

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From: anr@freeshell.org (ale)
Newsgroups: es.comp.os.linux.programacion
Subject: Re: suma en bash
Date: 9 Oct 2002 21:33:33 -0700
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