Article View: ch.comp.os.linux
Article #22299Re: Problem mit lpr un FF
From: Marc SCHAEFER
Date: Thu, 20 May 1999 00:00
Date: Thu, 20 May 1999 00:00
34 lines
1993 bytes
1993 bytes
Sven Kirmess <Sven.Kirmess@gmx.net> wrote: > Geht das immer, das kleiner als um eine Datei einzulesen? Wird das von Bash > geliefert oder muss das Tool das unterst�tzen? like the shell wildcards, is handled by bash Homework: Try ``echo *'' and try to understand why. The only case where < would not work is if the called software does seek()s. If you use |, there is the added restriction that any program assuming he can do greater than PIPE_SIZE I/O while using the system read()/write() will not work. PIPE_SIZE is 4096 bytes. stdio handles that transparently. > > or cat Filename | cat | cat | cat | cat | lpr -Phpljet4l-a4-raw :) > Diese Version gef�llt mir am besten... :-) But on Linux, it's quite CPU intensive. Some UNIX systems implements pipes through memory mapping. For example, on Solaris, cat < /dev/null | cat > /dev/zero creates two cat processes, but then no byte are exchanged, just MMU tables are shuffled around. > Ich hab aber eine Mail von p.sonderegger erhalten; In der Datei > /etc/apsfilterrc unter SuSE musste ich nur print_raw_supress_formfeed="yes" > entauskommentieren (komisches Wort...), falls es jemand interessiert... Ah, ok, so the problem was indeed apsfilter. You see, you can even teach me things :) [ on my system, raw are cat :) ]
Technical Details
Message-ID:
<7i09t5$t0f$1@vulcan.alphanet.ch>Path:
arc1-ca.pugleaf.net!unknown!not-for-mailReferences:
<37418BB6.F8D87553@gmx.net> <7htm2i$tl0$1@vulcan.alphanet.ch> <37433C86.FC93AF36@gmx.net>Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII X-Google-Thread: f4b73,47ce97f3d870d46c X-Google-Attributes: gidf4b73,public From: Marc SCHAEFER <schaefer@alphanet.ch> Subject: Re: Problem mit lpr un FF Date: 1999/05/20 Message-ID: <7i09t5$t0f$1@vulcan.alphanet.ch> X-Deja-AN: 479946937 Content-Transfer-Encoding: 8bit References: <37418BB6.F8D87553@gmx.net> <7htm2i$tl0$1@vulcan.alphanet.ch> <37433C86.FC93AF36@gmx.net> Supersedes: <7i0925$snr$1@vulcan.alphanet.ch> Content-Type: text/plain; charset=ISO-8859-1 Organization: ALPHANET NF -- Not for profit telecom research Mime-Version: 1.0 Reply-To: Marc SCHAEFER <schaefer@alphanet.ch> Newsgroups: ch.comp.os.linux