[linux] vypis suboru odkonca

Andrej Neština nestinaa na suzo.sk
Středa Listopad 22 16:43:14 CET 2006


Opravujem sa, ale aj tak to nefunguje :-)

hum:/tmp# awk '{system("link " $0)}' a
link: cannot create link `sdfghhjj' to `asdsss': No such file or directory
link: missing operand after `2 ; rm  -rf / ;'
Try `link --help' for more information.
link: cannot create link `sdfgggqwe' to `asdfghdddd': No such file or
directory

hum:/tmp# awk '{system("unlink " $2)}' a
unlink: cannot unlink `sdfghhjj': No such file or directory
unlink: missing operand
Try `unlink --help' for more information.
unlink: cannot unlink `sdfgggqwe': No such file or directory

hum:/tmp#

Andrej.
-----Original Message-----
From: linux-bounces na lists.linux.sk [mailto:linux-bounces na lists.linux.sk] On
Behalf Of Andrej Neština
Sent: Wednesday, November 22, 2006 4:36 PM
To: 'Vseobecna diskusia o Linuxe'
Subject: RE: [linux] vypis suboru odkonca

Ano mas pravdu, pozabudol som sa dat Plain Text, dufam ze sa to uz nebude
opakovat.

Paranoja je na spravnom mieste, ale v tomto pripade to asi nefunguje :-)

hum:/tmp# nano a

hum:/tmp# cat a
\asd\sss \sdfg\hhjj
'2 ; rm  -rf / ;'
\asdfgh\dddd \sdfggg\qwe

hum:/tmp#

hum:/tmp# awk '{system("/usr/sbin/link " $0)}' a
/bin/sh: /usr/sbin/link: No such file or directory
/bin/sh: /usr/sbin/link: No such file or directory
/bin/sh: /usr/sbin/link: No such file or directory

hum:/tmp# awk '{system("/usr/sbin/unlink " $2)}' a
/bin/sh: /usr/sbin/unlink: No such file or directory
/bin/sh: /usr/sbin/unlink: No such file or directory
/bin/sh: /usr/sbin/unlink: No such file or directory

hum:/tmp#

-----Original Message-----
From: linux-bounces na lists.linux.sk [mailto:linux-bounces na lists.linux.sk] On
Behalf Of Lubomir Host
Sent: Wednesday, November 22, 2006 4:19 PM
To: Vseobecna diskusia o Linuxe
Subject: Re: [linux] vypis suboru odkonca

On Wed, Nov 22, 2006 at 03:53:40PM +0100, Andrej Neština wrote:
> Tak ze pouzil sm na to sort :-)
> btw rajo, precitaj si lepsie moj prvy mail, ale aj tak diki.

Az budes posielat maily v takom nekompaktom formate, ako doteraz, tak sa
nemozes cudovat, ze ludia prehliadnu informaciu, ktora je na konci toho
rozvlacneho textu. Posielat vystup z konzoly alebo kusy programov ako
html je fakt na zamyslenie. Co takto prepnut mailoveho klienta do
plain-text modu?

> Echo som pouzil na to aby som dostal vypis na konzolu a skontroloval to,
> inac je tam pouzity link :-)

Az by si tam nechal prikaz 'link' a spustal ho tym volanim system(),
spytal by som sa ta hned, ze ci si si isty vstupom v subore. Co ak sa
v tom subore objavi riadok '2 ; rm  -rf / ;'? Nepremazes si takto disk?
ale snad su na vstupe NAOZAJ iba cisla.

rajo

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