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  • From: Lee Forrest <lforrestster AT gmail.com>
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: [BL] DOS & Shell Scripting Guide 41
  • Date: Fri, 2 Feb 2007 18:00:24 +0000

On Sat, Feb 03, 2007 at 01:55:10PM +1300, 3aoo-cvfd AT dea.spamcon.org wrote:
> Lee Forrest wrote:
> >
> > Haven't figured out how to neatly format the above
> > without resorting to utilities not standard to BL.
>
> printf ?

I can use it a little bit, but don't know how to make it do the above. Here's
the code for the list below:

clear
num=1
set "/" "/bin" "/dev" "/etc" "/home" "/lib" "/proc" "/root" "/sbin" "/usr"
"/var" ".." `/bin/ls -F`
for file in "$@" ; do
printf "%s[${num}] $file "
num=`expr $num + 1`
done

[1] / [2] /bin [3] /dev [4] /etc [5] /home [6] /lib [7] /proc
[8] /root [9] /sbin [10] /usr [11] /var [12] .. [13] cardmgr [14]
chat [15] install-to-hd [16] lsof [17] nc@ [18] pppd [19]
pure-authd [20] pure-ftpd [21] pure-ftpwho [22] pure-mrtginfo [23]
pure-quotacheck [24] pure-uploadscript [25] receive [26] send [27]
tcpdump [28] special/

I know I can get the columns and rows of someone's screen with 'stty size',
and divide the
number of files by 4 with 'expr NUM / 4'....

Do you know how to turn that mess into, say, 4 neat columns, with printf? I'd
love to be able
to do that.

I have the manpage and a C reference for the other escapes. It's just that my
Greek is a little
rusty :-\

Thanks,

Lee

--
BasicLinux: Small is Beautiful
http://www.basiclinux.com.ru





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