Batch file to open multiple instances of cmd and run Ruby script in each instance

Question

I'm trying to open multiple instances of cmd up which each run a ruby script at the same time. For background into the scripts, each of these ruby scripts run watir-webdriver and spawn new browser instances. All of this should happen instantaneously.

Here's what I've tried:

start cmd /k
cd %USERPROFILE%\Desktop
ruby script_1.rb
start cmd /k
cd %USERPROFILE%\Desktop
ruby script_2.rb
start cmd /k
cd %USERPROFILE%\Desktop
ruby script_3.rb

However, only two cmd prompts opened and in the second one it just sits at the C:\Users\test\Desktop and doesn't run the command. I commented out each of the three ruby commands and then ran it and it opened up all three cmd prompts.

Why do you need to run cmd? start /D "%USERPROFILE%\Desktop" ruby script_1.rb should open a new console window. — Eryk Sun
– Eryk Sun, Commented Jun 17, 2015 at 14:05
Ah okay, I've never done batch scripting before so this is all new to me. — hockeybpr25
– hockeybpr25, Commented Jun 17, 2015 at 14:48

JosefZ · Accepted Answer · 2015-06-16 20:22:57Z

3

Try next approach:

pushd %USERPROFILE%\Desktop
start "1" cmd /k ruby script_1.rb
start "2" cmd /k ruby script_2.rb
start "3" cmd /k ruby script_3.rb

answered Jun 16, 2015 at 20:22

JosefZ

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