Merry Xmas (special present inside) Post: 303009984

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The Lounge What is on Your Mind? Merry Xmas (special present inside) Post 303009984 by bakunin on Saturday 23rd of December 2017 10:21:10 PM

12-23-2017

Registered User

Merry Xmas (special present inside)

A Merry Xmas to all of you.

And, as a special present to vbe (he knows why) a little exercise:

Code:

#! /bin/ksh

pPrintSnow ()
{
typeset -i iLen=$1
while (( iLen )) ; do
     if ! (( RANDOM % 31 )) ; then
          printf "%1s" "."
     else
          printf "%1s" " "
     fi
     (( iLen -= 1 ))
done
return 0
}



pPrintTreeLine ()
{
typeset -i iWidth=$1
typeset -i iTermWidth=$COLUMNS
typeset -i iOffset=$(( (iTermWidth - iWidth)/2 ))

pPrintSnow $iOffset
while [ $iWidth -gt 0 ] ; do
     if !   (( RANDOM % 11 )) ; then
          printf "%s" "$(tput sgr0;tput bold)i$(tput sgr0;tput dim)"
     elif ! (( RANDOM %  7 )) ; then
          printf "%s" "O"
     elif ! (( RANDOM % 13 )) ; then
          printf "%s" "O"
     else
          printf "%s" "*"
     fi
     (( iWidth -= 1 ))
done
pPrintSnow $iOffset
printf "\n"

return 0
}



pPrintTrunk ()
{
typeset -i iTrunkWidth=$(( $1 - 2 ))
typeset -i iTrunkHeight=$2
typeset -i iTermWidth=$COLUMNS
typeset -i iOffset=$(( (iTermWidth - iTrunkWidth)/2 ))
typeset -i iCnt=0

if [ $iTrunkWidth -lt 1 ] ; then
     (( iTrunkWidth = 1 ))
     (( iOffset = (iTermWidth - iTrunkWidth ) / 2 ))
fi

while (( iTrunkHeight )) ; do
     if (( iTrunkHeight == 1 )) ; then
          printf "%${iOffset}s/" " "
     else
          printf "%${iOffset}s " " "
     fi
     (( iCnt = iTrunkWidth ))
     while (( iCnt )) ; do
          printf "%s" "|"
          (( iCnt -= 1 ))
     done
     if (( iTrunkHeight == 1 )) ; then
          printf '\\ \n'
     else
          printf '\n'
     fi
     (( iTrunkHeight -= 1 ))
done
return 0
}



# main ()
typeset -i iHeight=$1
typeset -i iCnt=0

eval $(resize)
tput dim
(( iCnt = 1 ))
while [ $iCnt -le $(( iHeight *2 )) ] ; do
     pPrintTreeLine $iCnt
     (( iCnt += 2 ))
done
pPrintTrunk $(( iHeight / 2 )) $(( iHeight / 5 ))
tput sgr0

exit 0

bakunin

Last edited by bakunin; 12-24-2017 at 01:31 AM..

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LEARN ABOUT DEBIAN

welcome2l

WELCOME2L(1)						      Welcome2L User's Manual						      WELCOME2L(1)

NAME

       Welcome2L - Linux ANSI boot logo.

SYNOPSIS

       Welcome2L [ -scr ] [ -getty ] [ -gettps] [ -msg ] [ -cpu ]  [ -scrrand ] [ -xmas ]  [ -xmasauto ] [ -lcol ] [ -nolf ] [ -private ] [-notime
       ]

DESCRIPTION

       Welcome2L is a little program that may run at login time to produce a BBS like ANSI login logo. It's very similar to Linux_Logo. But where
       Linux_Logo intends to be portable, Welcome2L intends to produce the best looking ANSI screens by making full usage of PC graphic
       characters. Therefore an architecture able to display those characters (i386, Alpha with TGA adapter, ... ) is required to use it. And,
       even if it will work on larger screens, it will only produce 80 column ANSI screens.

OPTIONS

       -getty  Will display more accurate information when launched at boot time.

       -gettps Like -getty, but works with gettyps(8) program.

       -nolf   Will not add an empty line to the ansi screen produced.

       -msg    -msg"text of message" will show the message given as the distribution info.

       -cpu    -cpu"name" will show the  name given as the CPU name.

       -scrxx  Will display screen number xx.

       -scrrand
	       Will display a random screen.

       -xmas   Will display an Xmas screen.

       -xmasauto
	       Will automatically display an Xmas screen in December and January.

       -lcolxx Will change the prompt color to the color number xx. Type Welcome2L -help to see what number is attributed to a color.

       -private
	       Display an "Unauthorized access is prohibited" line at the bottom of the ANSI screen.

       -notime When dispalying date information, do not display time.

       -noblink
	       Turn blinking off. Useful with -xmas or -xmasauto on framebuffer devices, which do not support blinking.

       -help   Will display usage information.

EXAMPLE

       /usr/bin/Welcome2L -getty -msg"Debian GNU/Linux" -lcol14

RESTRICTIONS

       Welcome2L is not intended to run in a xterm.

CAVEAT

       Because "A 'welcome' page has been proven to be an invitation to come your system, thus making it legal to hack into your box."	you may
       want to use the "-private" arg when running Welcome2L to display an "Unauthorized access is prohibited" line at the bottom of the ANSI
       screen.

COPYRIGHT

       Welcome2L Copyright (C)1998-1999 Little Igloo Org is freely distributable under the GNU Public License, a copy of which you should have
       received with this software (in a file called COPYING).

AVAILABILITY

       You can get the last Welcome2L version, sources, binaries distribution or RedHat Packages, at : http://www.LittleIgloo.org

AUTHOR

       Jean-Marc Jacquet <jm@littleigloo.org>

3rd Berkeley Distribution				      Welcome2L Version 3.04						      WELCOME2L(1)