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Old 12-01-2004, 08:58 AM   #1
ukrainet
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Registered: Nov 2004
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What applicability of a file /dev/null

What applicability of a file /dev/null
 
Old 12-01-2004, 09:04 AM   #2
otoomet
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Registered: Oct 2004
Location: Tartu, Århus,Nürnberg, Europe
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You mean what /dev/null can be used for?

you can e.g. run commands with output sent to /dev/null, so you keep just the return code.

Code:
if which >/dev/null 2>/dev/null rxvt; then
    rxvt &
else
    xterm &
fi
runs rxvt if it exists and xterm otherwise.

best,

Ott
 
  


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