com.intellij.util.ReadEnv Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of symbol-processing-aa Show documentation

KSP implementation on Kotlin Analysis API

There is a newer version: 2.1.0-Beta1-1.0.25

// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package com.intellij.util;

import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Map;

public final class ReadEnv {
  public static void main(String[] args) throws Exception {
    if (args.length != 1) throw new Exception("Exactly one argument expected");

    Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(args[0]), "UTF-8"));
    try {
      for (Map.Entry each : System.getenv().entrySet()) {
        // on Windows Java getenv() includes variables that start from '='.
        // These variables are not available available in normal command environment.

        // https://stackoverflow.com/questions/30102750/java-system-getenv-environment-names-starting-with
        if (each.getKey().startsWith("=")) continue;

        out.write(each.getKey());
        out.write("=");
        out.write(each.getValue());
        out.write("\0");
      }
    }
    finally {
      out.close();
    }
  }
}