Problem se skriptem

[David Trcka]

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On Fri, 5 Apr 2002, Jiri Caha wrote:

> cat soubor | read LINE; echo $LINE 
> 
> jaky je v tom rozdil???
> 
Nekdo by rekl, ze to je trest za nadbytecny cat ;)

read LINE <soubor; echo $LINE

Duvod je zrejme ten, ze shell pri pouziti roury (to je ta svisla cara) 
spusti subshell, takze promenne v nem nastavene se po navratu z nej 
ztrati.

- -- 
    David Trcka, network administrator
  PODA s.r.o., Internet Service Provider
Ostrava, 28. rijna 150, The Czech Republic
        Voice/Fax: +420 69 6612600
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"If everything is under control, you are moving too slow."
                          -- Mario Andretti

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