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Free Open Source:

Swiss File Knife

a command line
multi function tool.

remove tabs
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create random numbers on the command line,

with the sfk random command on Windows, Mac OS X, Linux and Raspberry Pi.
- download the free Swiss File Knife Base from Sourceforge.
- open the Windows CMD command line, Mac OS X Terminal or Linux shell.
- OS X : type mv sfk-mac-64.exe sfk and chmod +x sfk then ./sfk
- Linux: type mv sfk-linux-64.exe sfk    and chmod +x sfk then ./sfk
  OS X and Linux syntax may differ, check the help within the tool.
sfk rand[om] [opt] [from to]

create a random number.

   -hex    produce hex output
   -dig=n  always use n digits

setting a random seed
   to set a fixed randomizer seed
   at the start of a script, use:
   sfk rand seed n
   with n from 1 to 16384.

command chaining
   supports output chaining.

   sfk rand 1 1000
      create a number from 1 to 1000
   sfk rand -dig=6 1 999999
      create a number from 1 to 999999
      with 6 digits, zero prefixed
   sfk rand 1 10 +setvar r
      set variable r to a random number

example script: a number guessing game 

@echo off
sfk script %~f0 -from begin %*
rem . %~f0 is the absolute batch file name
GOTO xend

sfk label begin -var
   +if "%1 = " begin
      +tell "add 'play' to play the number game."
      +stop 0
   +if "%1 = play" begin
      +call game
      +stop 0
   +tell "unknown parameter: %1"

sfk label game
   // Note: install SFKTray to see colorful lights.
   +rand 1 10
      +setvar mynum
   +tell "i know a number, you can guess it."
   +tell "enter from 1 to 10, you have 3 tries."
   +setvar try="try again."
   +for i from 1 to 3
         +setvar usernum
      +if "#(i) > 2"
         then setvar try=""
      +if "#(mynum) < #(usernum)" begin
         +status local "slot=#(i) color=red"
         +tell "no, my number is [Red]lower[def]. #(try)"
      +if "#(mynum) > #(usernum)" begin
         +status local "slot=#(i) color=red"
         +tell "no, my number is [Red]higher[def]. #(try)"
      +if "#(mynum) = #(usernum)" begin
         +status local "slot=1 color=green blink=fast timeout=10"
         +status local "slot=2 color=green blink=fast timeout=10"
         +tell "[green]correct, you win![def]"
         +stop 0
   +status local "slot=1 color=red blink=fast timeout=10"
   +status local "slot=2 color=red blink=fast timeout=10"
   +tell "[Red]3 tries done, you loose. it was #(mynum).[def]"


sfk is a free open-source tool, running instantly without installation efforts. no DLL's,
no registry changes - just get sfk.exe from the zip package and use it (binaries for
windows, linux and mac are included).

read more about all sfk functions here.

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