[BASH] MassLauncher, How to Ruin Any Script Quickly

[falloutr 20]

Hi guys,

So my first post here and first post really getting back into the community. I came from TopBot which is an old defunct client so have some experience from the past.
Anyway on with the thread..

I went a bit overboard with this one but its fairly simple in design, it will take a file formatted like below located in the same directory as it
 

308:script name:param0 param1
318:script name0:param0
331:script name1:params...

And launch the script it is configured to launch on all those accounts with the world selected, once done it will output their PIDs and you can press enter to kill them all at once.
Its pretty straight forward that I'm sure most of you can figure out how to convert it to your favorite scripts if they require more or less parameters

Here is the beast:
 

#!/bin/bash
file='accounts.txt'
db_username='YOUR_DB_USERNAME'
db_pass='YOUR_DB_PASS'

pids_calc="pgrep java"
pids=$(eval $pids_calc)
while IFS=: read -r world script params
do	
	sh -c 'java -jar ~/DreamBot/BotData/client.jar -world "$0" -username "$1" -password "$2" -script "$3" -params "$4"' "$world" "$db_username" "$db_pass" "$script" "$param0"&
	sleep .5
	newpids_calc="pgrep java"
	newpids=$(eval $newpids_calc)
	newpid=($(comm --nocheck-order -3 <(printf "%s\n" "${pids[@]}") <(printf "%s\n" "${newpids[@]}")))
	printf "*****\n"
	printf "*\n"
	printf "NEW PID IS: %s\n" $newpid
	printf "*\n"
	printf "*****\n"
	newpid=" "$newpid
	finalpids+=$newpid
	sleep 3
	pids=$newpids
	let "launch_count++"
done < "$file"
let "sleep_time=4*$launch_count" #change out the number here for faster/slower finish time
  				 #set conservatively to 4 by default because slow VPS, 2 is optimal on my desktop
sleep $sleep_time
printf "*****\n"
printf "*\n"
printf "Client launched with pid: %s\n" $finalpids 
printf "All clients launched, press enter to kill all\n"
printf "*\n"
printf "*****\n"
read -s
kill -9 $finalpids

P.S. any feedback is welcome, if you have a masslauncher yourself share it :^D
Would love to get a powershell and awk version too!

P.P.S. I'll be adding any good recommendations and separate versions to the OP, giving credit ofc
Also special thanks to Nezz for doing most of the work! :^)

EDIT0: Made it a bit more generic to make it a little bit easier for other scripts

[sadgonzer 46]

glade to see your first post realy  useful thanks for sharing this with us keep up

[Pseudo 179]

Good job on the contribution dude. You may want to correct the title though .

 

How to Ruin Any Script Quickly

[Articron 738]

This is that good stuff bud

Glad to have  you here Fallout