ktexec - compile and optionally executes Kotlin file.

ktexec.sh

#!/bin/bash

###############################################################
# Script Name   : ktexec                                      #
# Description   : Compile and optionally executes Kotlin File #
# Args          : KOTLIN-FILE [-x]                            #
# Author        : José Almir                                  #
# Email         : jrcodev@gmail.com                           #
###############################################################

function quit() {
    echo -e "\033[1;0m"
    [[ -z $1 ]] && exit 0
    exit $1
}

function shwerr(){
    echo -e "\033[1;31m[ERROR] $1"
} 

FILENAME="${1%.*}"
EXTENSION="${1##*.}"

[[ ! $(which kotlinc 2>/dev/null) ]] && shwerr "Install Kotlin-compiler to compile kt code."  && quit 1
[[ $EXTENSION != 'kt' || -z $1 ]] && shwerr "Pass a Kotlin file as parameter" && quit 1
[[ ! -e $1 ]] && shwerr "File not found" && quit 1

echo -e "\033[1;32m[COMPILING] $1 ..."
kotlinc $1 -include-runtime -d $FILENAME.'jar'
[[ $? -ne 0 ]] && shwerr "A error has occurred when compiling" && quit 1
echo -e "\033[1;32m[DONE] Kotlin file compiled."

[[ $2 == '-x' ]] && echo -e "\033[1;32m[RUNNING] $FILENAME.jar ...\n\033[1;0m" && java -jar $FILENAME.'jar'
quit

A sample:
ktexec.sh MyFile.kt -x

Using with vim

Copy the script to /usr/bin:
sudo cp ktexec.sh /usr/bin

Add this to your .vimrc:
:command KtExec :! ktexec.sh %:p -x

On vim normal mode, use:
:KtExec

Then the file will be compiled and executed.

😄