Odd issue running runcommand-onend.sh with if [ -f ..

[LeatherWing]

I have two scripts for a dynamic marquee: runcommand-onstart.sh and runcommand-onend.sh

for debugging I used the statements

# echo 1 is $1 > ~/runout.txt
# echo 2 is $2 >> ~/runout.txt

this works as expected for the onstart.sh. I get a ~/runout.txt file
however for onend.sh the file created is ~/'runout.txt'$'\r' with the expected contents

when my script checks for a file

#!/bin/sh
DIR="$(dirname "${3}")" ; FILE="$(basename "${3}")"
GAME=${FILE%.*}
#IF Maquee exists on RetroPi
if [ -f $DIR/marquee/$GAME.png ]
then
...

this works fine and as expected in onstart.sh.
however onend.sh the stops executing at the if statment.

runcommand.log gives me

$'\r': command not found (every blank line in the file)

syntax error: unexpected end of file

nothing inside or after the if statement will execute.

For now I'm just setting the dynamic marquee to a default with no logic since it's on exiting a game anyway. However I would like to check if other files are available before setting a static default.

[mitu]

Check whether the onend script file has the correct line endings, looks like there's a stray DOS CR somewhere.

[LeatherWing]

@mitu you're exactly correct. I ran dos2unix on the file and it works as expected. Thought about /r not being a thing in unix files 30 seconds after I posted.
No clue how it happened, both were edited in notepad++.