pregunta de bash

[Cristian Gutierrez]

Hoy en la ma~nana, Mauricio Vergara Ereche dijo:

[...]

> Yo probe con 
> if grep -q usbfs /proc/filesystems; then true; else false; fi
>
> y para rescatar el valor, 
> echo $_

Ojo:
  echo $?

-- 
Cristian Gutierrez			http://www.dcc.uchile.cl/~crgutier
crgutier[@]dcc.uchile.cl                        Jabber:crgutier en jabber.org

Eyes: n, devices used to examine things to find answers.
Fingers: n, devices used far too much to ask questions before Eyes (qv)
	 have been applied to problem documentation.
                            -- Alan Cox on LKML.