wookietreiber’s gists

wookietreiber / StringInputStream.scala

Created March 13, 2015 07:28

Scala StringInputStream: have a String and read from it with an InputStream

	import java.io.InputStream

	class StringInputStream(s: String) extends InputStream {
	private val bytes = s.getBytes

	private var pos = 0

	override def read(): Int = if (pos >= bytes.length) {
	-1
	} else {

wookietreiber / optLast.scala

Created October 19, 2014 10:28

last option for scala scripts

	import annotation.tailrec

	def optLast[A](opts: String*)(convert: String => Option[A])(implicit args: List[String]): Option[A] = {
	val longOpts = opts filter { _ startsWith "--" }
	val longOptsRE = longOpts.mkString("^(","\|",")=(.+)").r

	@tailrec def optLastInternal(current: Option[A], args: List[String]): Option[A] = args match {
	case Nil =>
	current

wookietreiber / qrunnerstats.scala

Last active August 10, 2018 12:52

list short per user waiting job and slots stats of grid engine managed clusters, see full collection: https://github.com/wookietreiber/grid-engine-tools

	// this gist has been superseded by
	// https://github.com/idiv-biodiversity/grid-engine-tools

wookietreiber / qwaiterstats.scala

Last active August 10, 2018 12:53

list short per user running job and slots stats of grid engine managed clusters, see full collection: https://github.com/wookietreiber/grid-engine-tools

	// this gist has been superseded by
	// https://github.com/idiv-biodiversity/grid-engine-tools

wookietreiber / ZipInvert.scala

Created April 5, 2014 13:45

Scala inverted zip extension method

	import language.higherKinds

	import collection.GenIterable
	import collection.generic.CanBuildFrom

	implicit class ZipInvert[A,CC[X] <: GenIterable[X]](coll: CC[A]) {
	def zipInvert[A1 >: A, B, That](that: GenIterable[B])(implicit bf: CanBuildFrom[CC[A], (B, A1), That]): That = {
	val b = bf(coll)
	val these = coll.iterator
	val those = that.iterator

wookietreiber / ffmpeg-convert-animation.sh

Last active August 29, 2015 13:57

ffmpeg-based animation converter, converts from * to high quality x264 and good libvorbis, is quite slow, however

	#!/bin/bash

	[[ -z $2 ]] && {
	echo "usage $0 /path/to/movie/in /path/to/movie/out" > /dev/stderr
	exit 1
	}

	PRESET=veryslow
	TUNE=animation
	CRF=18

wookietreiber / imap-check.scala

Last active August 29, 2015 13:57

Checks your IMAP folders for new and unread messages.

	#!/bin/bash

	cd "$(dirname "$0")"

	[[ ! -d lib ]] &&
	mkdir lib

	[[ ! -e lib/java-mail.jar ]] &&
	wget -q -O lib/java-mail.jar http://search.maven.org/remotecontent?filepath=com/sun/mail/javax.mail/1.5.1/javax.mail-1.5.1.jar

wookietreiber / one-liner.md

Last active August 5, 2024 12:28

collection of linux one-liner commands

♫ Christian Krause ♫ wookietreiber