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Re: [linux_var] bash capitolo 2
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- Subject: Re: [linux_var] bash capitolo 2
- From: Gianluca Zoni <zoninoz@inventati.org>
- Date: Tue, 16 Jul 2013 15:16:08 +0200
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On 160713, 15:09, Gianluca Zoni wrote:
> > > > On 2013-07-16 at 09:23:22 +0200, Cristian Gaiatto wrote:
> > > > > Trovato l'inghippo. Il problema è nel file da cui ricava l'immagine da aprire che è di questo tipo
> > > > >
> > > > > %
> > > > > bitta.jpg
> > > > > N0 (BITTA DIS.SM-83162 15-4)
> > > > > N1 {UT.:T11/T1-T4-T33-T22 CENTR.}
> > > > > n10 ....
> > > > >
> > > > > mentre se uso un file con solo bitta.jpg funziona tutto
>
> altra ipotesi: e se il contenuto di "$nomefile" in realtà fosse in una sola riga?
> puoi controllarlo con:
> cat "$nomefile" | wc -l
>
> ti dice in quante righe è il suo contenuto
>
anzi: e se il nome del file da pescare fosse nella terza riga anziché nella seconda? (potrebbe esserci una riga vuota all'inizio)
potresti provare a variare riga. In ogni caso, $(cat "$nomefile" | wc -l) ti permette di verificare il numero esatto di righe di $nomefile
--
Z O N I N O Z
Gianluca Zoni
zoninoz@inventati.org
http://inventati.org/zoninoz
http://savannah.gnu.org/users/zoninoz
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