CODEWITHSUNDEEP
kotlinkotlin-script
Ivan
Ivan

Reputation: 480

kscript : How to get directory of current file?

Is there a way to get directory of a current script location in kotlin script?

I could achieve this in bash with

 dirname $0

or

# Absolute path to this script. /home/user/bin/foo.sh
SCRIPT=$(readlink -f $0)
# Absolute path this script is in. /home/user/bin
SCRIPTPATH=`dirname $SCRIPT`

Upvotes: 11

Views: 1424

Answers (3)

shining
shining

Reputation: 1069

To get the directory of the current file in KScript, you can use the DIR magic constant provided by Kotlin which is shown below

println(__DIR__)

For example, if your script file is located at /home/shining/script.kts, running the above code will produce the output given below

/home/shining/

This way, you can easily obtain the directory of the current script file, here are the list of examples you can see to use kotlin as an scripting language https://tutcoach.com/kotlin/kotlin-scripting/

Upvotes: 0

Rohen Giralt
Rohen Giralt

Reputation: 437

The builtin kotlin-main-kts script definition adds a __FILE__ variable to the script context. Access works just as you'd expect:

println(__FILE__) // java.io.File object representing /home/user/bin/foo.main.kts (or wherever the script is)
println(__FILE__.parentFile) // java.io.File object representing /home/user/bin
println(__FILE__.absolutePath) // the string /home/user/bin/foo.main.kts
println(__FILE__.parent) // the string /home/user/bin

You can also change the name of the variable using the annotation ScriptFileLocation:

@file:ScriptFileLocation("scriptPath")
println(scriptPath.absolutePath) // /home/user/bin/foo.main.kts

Keep in mind IntelliJ autocomplete doesn't love changing the variable name like that, though. :-)

So how do you run your script with kotlin-main-kts? In Kotlin 1.3.70 and above, it's as easy as ensuring your script's name ends in .main.kts. The compiler will automatically apply this special context, giving you access to __FILE__. For more information, check out the Kotlin repository here.

Upvotes: 2

Arlind Hajredinaj
Arlind Hajredinaj

Reputation: 8519

You can use:

File(".")

and don't forget to import java.io.File

Upvotes: -3

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