find and copy files

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

.gitignore

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+/target/

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>scripting</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.8

.settings/org.eclipse.m2e.core.prefs

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+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>scripting</groupId>
+	<artifactId>scripting</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<dependencies>
+		<dependency>
+			<groupId>com.martiansoftware</groupId>
+			<artifactId>jsap</artifactId>
+			<version>2.1</version>
+		</dependency>
+		<dependency>
+			<groupId>log4j</groupId>
+			<artifactId>log4j</artifactId>
+			<version>1.2.16</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>3.3.2</version>
+		</dependency>
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<version>2.4</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.1</version>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>

src/main/java/de/tilman/scripting/FindAndCopyFilesFromList.java

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+package de.tilman.scripting;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.filefilter.TrueFileFilter;
+import org.apache.log4j.BasicConfigurator;
+import org.apache.log4j.ConsoleAppender;
+import org.apache.log4j.Level;
+import org.apache.log4j.Logger;
+import org.apache.log4j.PatternLayout;
+
+import com.martiansoftware.jsap.FlaggedOption;
+import com.martiansoftware.jsap.JSAP;
+import com.martiansoftware.jsap.JSAPException;
+import com.martiansoftware.jsap.JSAPResult;
+import com.martiansoftware.jsap.Switch;
+
+public class FindAndCopyFilesFromList {
+
+	private static Logger log = Logger.getLogger(FindAndCopyFilesFromList.class);
+
+	private void processFile(String fileList, String searchDir, String targetDir) throws IOException {
+		// read file list
+		List<String> lines = FileUtils.readLines(new File(fileList), "utf-8");
+		
+		// search files
+		long dirs = 0, files = 0, copiedFiles = 0;
+		
+		Iterator<File> it = FileUtils.iterateFilesAndDirs(new File(searchDir), TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE);
+		while (it.hasNext()) {
+			File file = it.next();
+
+			if (file.isDirectory())
+				dirs++;
+			else {
+				files++;
+				if (lines.contains(file.getName())) {
+					FileUtils.copyFile(file, new File(targetDir));
+					copiedFiles++;
+				}
+			}
+		}
+		System.out.println("Copied " + copiedFiles + " files from " + dirs + " directories with " + files + " files.");
+	}
+
+	public static void main(String[] args) {
+		BasicConfigurator.configure(new ConsoleAppender(new PatternLayout("%p %m%n"))); // "%d{ISO8601} - %p %m%n"
+		log.setLevel(Level.INFO);
+
+		JSAP jsap = new JSAP();
+		try {
+			FlaggedOption fileListOption = new FlaggedOption("file list").setLongFlag("fileList").setShortFlag('l')
+					.setStringParser(JSAP.STRING_PARSER).setRequired(true);
+			fileListOption.setHelp("path to file list");
+			jsap.registerParameter(fileListOption);
+
+			FlaggedOption searchDirOption = new FlaggedOption("search dir").setLongFlag("searchDir").setShortFlag('s')
+					.setStringParser(JSAP.STRING_PARSER).setRequired(true);
+			searchDirOption.setHelp("directory to search");
+			jsap.registerParameter(searchDirOption);
+
+			FlaggedOption targetDirOption = new FlaggedOption("target dir").setLongFlag("targetDir").setShortFlag('t')
+					.setStringParser(JSAP.STRING_PARSER).setRequired(true);
+			targetDirOption.setHelp("directory to copy to");
+			jsap.registerParameter(targetDirOption);
+
+			Switch helpSwitch = new Switch("help").setLongFlag("help").setShortFlag('?');
+			helpSwitch.setHelp("print help and exit");
+			jsap.registerParameter(helpSwitch);
+		} catch (JSAPException e) {
+			log.fatal(e.getMessage());
+			System.exit(-1001);
+		}
+
+		JSAPResult config = jsap.parse(args);
+
+		if (!config.success() || config.getBoolean("help")) {
+			for (@SuppressWarnings("rawtypes")
+			java.util.Iterator errs = config.getErrorMessageIterator(); errs.hasNext();) {
+				log.error("Error: " + errs.next());
+			}
+
+			log.error("Usage: " + jsap.getUsage() + "\n\n" + jsap.getHelp());
+			System.exit(-1002);
+		}
+
+		FindAndCopyFilesFromList facffl = new FindAndCopyFilesFromList();
+		try {
+			facffl.processFile(config.getString("file list"), config.getString("search dir"), config.getString("target dir"));
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+}