@ School first

FileSpliterator.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+  </component>
+</module>

FileSpliterator.ipr

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="InspectionProjectProfileManager">
+    <profile version="1.0">
+      <option name="myName" value="Project Default" />
+    </profile>
+    <version value="1.0" />
+  </component>
+  <component name="Kotlin2JvmCompilerArguments">
+    <option name="jvmTarget" value="1.8" />
+  </component>
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/FileSpliterator.iml" filepath="$PROJECT_DIR$/FileSpliterator.iml" />
+    </modules>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" default="true" project-jdk-name="10" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="libraryTable">
+    <library name="KotlinJavaRuntime">
+      <CLASSES>
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8.jar!/" />
+      </CLASSES>
+      <JAVADOC />
+      <SOURCES>
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7-sources.jar!/" />
+        <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8-sources.jar!/" />
+      </SOURCES>
+    </library>
+  </component>
+</project>

FileSpliterator.iws

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="2e837d0e-f64d-441f-982b-ceea8ceb799a" name="Default Changelist" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Class" />
+        <option value="Kotlin File" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectId" id="1m8ZiByVnXffLATLAZZxiMGD7Be" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="2e837d0e-f64d-441f-982b-ceea8ceb799a" name="Default Changelist" comment="" />
+      <created>1608877305551</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1608877305551</updated>
+    </task>
+    <servers />
+  </component>
+</project>

src/io/github/teddyxlandlee/nios/filesplit/main.kt

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+package io.github.teddyxlandlee.nios.filesplit
+
+import kotlin.system.exitProcess
+
+fun main(args: Array<String>) {
+    if (args.size < 2) {
+        help()
+    }
+}
+
+fun help() {
+    println("Usage: java -jar file-spliterator-${version}.jar <encode|decode> <filename> [args]\n" +
+            "encode: arg: filename\n" +
+            "decoee: arg: directory name\n" +
+            "more args:\n [max_one_file_size] default 99.4MB\n" +
+            "[directory name] default filesplit-<origin_filename>");
+    exitProcess(1);
+}

src/io/github/teddyxlandlee/nios/filesplit/version.kt

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+package io.github.teddyxlandlee.nios.filesplit
+
+const val major: Byte = 0
+const val minor: Byte = 1
+const val micro: Byte = 0
+const val version: String = "0.1.0"