@Input
                    String getExtension()
                    void setExtension(String value)
                    @${ann.simpleName}
                    String getBad()
                    void setBad(String value)
                }

                void transform(TransformOutputs outputs) {
                    throw new RuntimeException()
                }
            }

        Base64.getDecoder().decode(getKeyAsBase64()).let { keyAsBytes ->
            SecretKeySpec(keyAsBytes, encryptionAlgorithm)
        }
    }

    private
    fun getKeyAsBase64(): String = System.getenv(GRADLE_ENCRYPTION_KEY_ENV_KEY) ?: ""

    override fun getKey(): SecretKey = secretKey

    override val sourceDescription: String
        get() = "$GRADLE_ENCRYPTION_KEY_ENV_KEY environment variable"

        List<Checksum> checksums = verification.getChecksums();
        for (Checksum checksum : checksums) {
            verifyChecksum(checksum.getKind(), file, checksum.getValue(), checksum.getAlternatives(), checksumService, builder);
        }
    }

            .environment('CLASSPATH', mergeClasspath())
    }

    private String mergeClasspath() {
        if (System.getenv('CLASSPATH') == null) {
            return System.getProperty('java.class.path')
        } else {
            return "${System.getenv('CLASSPATH')}${File.pathSeparator}${System.getProperty('java.class.path')}"
        }
    }

    private List args(Class mainClass, String... args) {

    }

    def "reports build logic reading environment variables with getenv(String) using GString parameters"() {
        // Note that the map returned from System.getenv() doesn't support GStrings as keys, so there is no point in testing it.
        buildFile << '''
            def ci = "ci"
            def value = "value"
            println "CI1 = " + System.getenv("${ci.toUpperCase()}1")
        '''

        when:

Sie könnten zum Beispiel eine Datei `main.py` haben mit:

```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

!!! tip "Tipp"
    Das zweite Argument für <a href="https://docs.python.org/3.8/library/os.html#os.getenv" class="external-link" target="_blank">`os.getenv()`</a> ist der zurückzugebende Defaultwert.

//go:cgo_import_dynamic libc_Fpathconf fpathconf "libc.so"
//go:cgo_import_dynamic libc_Fstat fstat "libc.so"
//go:cgo_import_dynamic libc_Getdents getdents "libc.so"
//go:cgo_import_dynamic libc_Getgid getgid "libc.so"
//go:cgo_import_dynamic libc_Getpid getpid "libc.so"
//go:cgo_import_dynamic libc_Geteuid geteuid "libc.so"
//go:cgo_import_dynamic libc_Getegid getegid "libc.so"
//go:cgo_import_dynamic libc_Getppid getppid "libc.so"

        dest.setBbb("bbb");
        dest.setDdd("ddd");

        BeanUtil.copyBeanToBean(src, dest);
        assertThat(dest.getAaa(), is("111"));
        assertThat(dest.getBbb(), is(nullValue()));
        assertThat(dest.getDdd(), is("ddd"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCopy_BeanToBean_ExcludeNull() throws Exception {
        final MyClass src = new MyClass();

}

func TestExitCode(t *testing.T) {
	testenv.MustHaveExec(t)

	magic := 123
	if os.Getenv("GO_CHILD_FLAG") != "" {
		fs := NewFlagSet("test", ExitOnError)
		if os.Getenv("GO_CHILD_FLAG_HANDLE") != "" {
			var b bool
			fs.BoolVar(&b, os.Getenv("GO_CHILD_FLAG_HANDLE"), false, "")
		}
		fs.Parse([]string{os.Getenv("GO_CHILD_FLAG")})
		os.Exit(magic)
	}

	tests := []struct {
		flag       string

	cgoCflags := os.Getenv("CGO_CFLAGS")
	if cgoCflags != "" {
		cgoCflags += " "
	}
	cgoCflags += "-I" + tmpdir

	cgoLdflags := os.Getenv("CGO_LDFLAGS")
	if cgoLdflags != "" {
		cgoLdflags += " "
	}
	cgoLdflags += "-L" + tmpdir + " -ltestgo2c2go"

	goenv := []string{"CGO_CFLAGS=" + cgoCflags, "CGO_LDFLAGS=" + cgoLdflags}

	ldLibPath := os.Getenv("LD_LIBRARY_PATH")
	if ldLibPath != "" {