### CRand.tcl 2.0.0 x9A3HLgz

#REQUIREMENTS
# PBinScr.tcl fMrtKqyq

#LICENSE
# Copyright © 2013 Alberto Dietze "DoctorD90"
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Full GPLv3 Text: http://www.gnu.org/licenses/gpl.txt

#PATERNITY
#Coder: DoctorD90
#Network: irc.OnlineGamesNet.net
#Chan: #eHito
#Mail: DoctorD90@EggTcl.tk

#PURPOSE
#Create Random codes of fixed length.

#USAGE
#set var [crand CodeLength ?CharsTyp? ?CaseSens?]
#-CodeLength:
#  How many chars must be the code.
#-CharsTyp (Default 0
#  0  Numbers
#  1  Letters
#  2  Alfa Numeric
#-CaseSens (Default 0)
#  0  Capital Letter
#  1  Low Letter
#  2  Random


### DON'T EDIT ANYTHING BELOW ###

proc crand {len {typ {0}} {case {0}}} {
  if {![string is integer -strict $len]} {
    return "[list -1 "\002$len\002 Must Be A Number"]"
  }
  if {![string is integer -strict $typ]} {
    return "[list -1 "\002$typ\002 Must Be A Number"]"
  }
  if {![string is integer -strict $case]} {
    return "[list -1 "\002$case\002 Must Be A nNmber"]"
  }
  set a 0
  set b 35
  if {$typ} {
    set a 10
  }
  if {!$typ} {
    set b 9
  }
  set i 0
  set code ""
  set gap [expr {$b - $a + 1}]
  while {$i != $len} {
    set c [expr {int(rand() * $gap) + $a}]
    switch -regexp -- $c {
      ^10$ { set c "A" }
      ^11$ { set c "B" }
      ^12$ { set c "C" }
      ^13$ { set c "D" }
      ^14$ { set c "E" }
      ^15$ { set c "F" }
      ^16$ { set c "G" }
      ^17$ { set c "H" }
      ^18$ { set c "I" }
      ^19$ { set c "J" }
      ^20$ { set c "K" }
      ^21$ { set c "L" }
      ^22$ { set c "M" }
      ^23$ { set c "N" }
      ^24$ { set c "O" }
      ^25$ { set c "P" }
      ^26$ { set c "Q" }
      ^27$ { set c "R" }
      ^28$ { set c "S" }
      ^29$ { set c "T" }
      ^30$ { set c "U" }
      ^31$ { set c "V" }
      ^32$ { set c "W" }
      ^33$ { set c "X" }
      ^34$ { set c "Y" }
      ^35$ { set c "Z" }
    }
    if {$type != "0"} {
      if {$case || [rand 2]} {
        set c [string tolower $c]
      }
    }
    append code $c
    incr i
  }
  return $code
}

###
putlog "CRand.tcl LOADED"