SlideShare a Scribd company logo
1 of 43
Download to read offline
GROOVYON
THESHELL
SHELLSCRIPTINGWITHGROOVY
Alexander Klein /http://codecentric.de alexander.klein@codecentric.de
0
WHY?
GROOVY
IS
COOL
BECAUSE
I
CAN
TODOCOMPLEXSTUFF
TESTINGYOURSCRIPTS
IFYOUKNOWGROOVY
BETTERTHANBASH
ALEXANDER(SASCHA)KLEIN
 
Principal Consultant
codecentric AG
Stuttgart
 
Groovy, JavaFX, UI / UX
 
Griffon committer
 
alexander.klein@codecentric.de
@saschaklein
http://gplus.to/karfunkel
EXECUTING
GROOVY
SCRIPTS$ groovy Test.groovy
SHE-BANG-COMMENT(#!)
#!/usr/local/bin/groovy
USINGTHEDEFAULT
ENVIRONMENT
#!/usr/bin/env groovy
DEFININGTHECLASSPATH
#!/usr/bin/env groovy -cp myjar.jar
USINGSYSTEMVARIABLES
#!/usr/bin/env groovy -cp ${HOME}/bin
DEFININGSYSTEMVARIABLES
#!/usr/bin/env VAR1=value1 VAR2=value2 groovy
BUT
DOESNOTWORKONLINUX
Alternative script for /usr/bin/env
Without defining system variables
#!/bin/bash
ARGS=( $1 ) # separate $1 into multiple space-delimited arguments.
shift # consume $1
PROG=`which ${ARGS[0]}` # find path for executable
unset ARGS[0] # discard executable name
ARGS+=( "$@" ) # remainder of arguments preserved "as-is".
# iterate array and expand variables
declare -a PARAMS
for i in "${ARGS[@]}"
do
PARAMS=("${PARAMS[@]}" "`eval "echo $i"`")
done
exec $PROG "${PARAMS[@]}" # execute the command
GROOVYSERV
FASTERSTARTUP
JVM process running in the background
Scriptstart ~10-20 times faster
INSTALLATION
WINDOWS
GroovyServ is part of the Groovy Windows-Installer
LINUX
gvm install groovyserv
MACOSX
brew install groovyserv
BINARYPACKAGE
$ cd /tmp
$ unzip groovyserv-1.0.0-bin.zip
$ groovyserv-1.0.0-bin/bin/setup.sh
export PATH=/tmp/groovyserv-1.0.0/bin:$PATH
USAGE
groovyclient MyScript.groovy
#!/usr/bin/env groovyclient
WRITING
SCRIPTS
RESTRICTIONS
Classname == Filename
to be found from other script
EXECUTING
SHELLCOMMANDS
"mkdir foo".execute()
["mkdir", "my directory"].execute()
WORKINGDIR&
ENVIRONMENT
"ls".execute([], new File("/tmp"))
"env".execute(["VAR1=Test", "VAR2=Something"], new File("."))
"env".execute([*:System.env,
VAR1: 'Test'].collect{ k,v -> "$k=$v" }, new File("."))
RESULTACCESS
println "ls".execute().text
println "cmd /c dir".execute().text
"ls".execute().inputStream.eachLine { println it }
"ls".execute().in.eachLine { println it }
"myCommand".execute().err.eachLine { println it }
def proc = new ProcessBuilder("myCommand").redirectErrorStream(true).start()
proc.in.eachLine { println it }
PROCESSCONTROL
Process process = "mkdir foo".execute()
process.waitFor()
int exitValue = process.exitValue()
if(!exitValue) {
//do your error-handling
}
if(!"mkdir foo".execute().waitFor()) {
//do your error-handling
}
"grep pattern".execute().waitForOrKill(1000)
def process = "myLongRunningCommand".execute()
...
process.destroy()
PROCESSOUTPUT
Process process = "myCommand".execute()
def out = new StringBuffer()
def err = new StringBuffer()
process.waitForProcessOutput( out, err )
if( out.size() > 0 ) println out
if( err.size() > 0 ) println err
def p = "rm -f foo.tmp".execute([], tmpDir)
p.consumeProcessOutput() // Prevent blocking by small buffer
p.waitFor()
PIPING
"less temp.sh".execute().pipeTo("grep Detected".execute()).text
def proc1 = "less temp.sh".execute()
def proc2 = "grep Detected".execute()
proc1 | proc2
println proc2.text
WILDCARDS
"ls *.java".execute() // won't work
"sh -c ls *.java".execute() // Shell resolves the wildcard
SHELLHELPERI
class Shell {
final Map env = System.env
File dir = new File('.')
boolean redirectErrorStream = false
long timeout = 5000
Shell env(Map env) {
this.env.putAll(env); return this
}
Shell dir(File dir) {
this.dir = dir; return this
}
Shell dir(String dir) {
this.dir = new File(dir); return this
}
Shell redirectErrorStream(boolean redirectErrorStream = true) {
this.redirectErrorStream = redirectErrorStream; return this
}
Shell timeout(int timeout = 5000) {
this.timeout = timeout; return this
}
SHELLHELPERII
Process execute(String command) {
new ProcessBuilder(['sh', '-c', command])
.directory(dir)
.redirectErrorStream(redirectErrorStream)
.environment(env.collect{k,v -> "$k=$v"} as String[])
.start()
}
int call(String command, boolean consumeOutput = true) {
Process proc = execute(command)
if(consumeOutput)
proc.consumeProcessOutput()
if(timeout)
proc.waitForOrKill(timeout)
else
proc.waitFor()
return proc.exitValue()
}
def eachLine(String command, Closure action) {
execute(command).in.eachLine(action)
}
}
SHELLHELPERIII
def shell = new Shell()
shell.call("mkdir /tmp/groovy")
shell.call("echo 123 >> /tmp/groovy/test")
shell.dir("/tmp/groovy").call("echo $HOME >> test2")
shell.eachLine("ls ."){
println "- $it -"
}
shell.eachLine("cat test2"){
println "- $it -"
}
HELPFULLSTUFF
ACCESSINGSYSTEM-VARIABLES
println System.env.PWD
ACCESSINGSYSTEM-PROPERTIES
println System.properties.'user.dir'
GETYOURPID
import java.lang.management.*
println ManagementFactory.runtimeMXBean.name.split('@').first().toInteger()
CLIBUILDER
PARSINGCOMMANDLINE
ARGUMENTS
DSL ontop of Apache Commons CLI
!#/usr/bin/env groovy
def cli = new CliBuilder(usage: 'MyScript')
cli.with {
v(longOpt: 'version', 'show version information')
}
def opt = cli.parse(args)
if (!opt)
System.exit(2)
if (opt.v) {
println "Version: 1.0.0"
}
ASAMPLE
usage: MyScript [options] [args]
-?,--help usage information
--config <arg> A script for tweaking the configuration
-D <property=value> use value for given property
-s,--source <path> Aliases for '-source'
-source <path> Specify where to find the files
-v,--version version information
THECODEI
#!/usr/bin/env groovy
def cli = new CliBuilder(usage: 'MyScript [options] [args]')
cli.with {
source (args:1, argName: 'path', optionalArg: false,
'Specify where to find the files')
_ (longOpt: 'config', args:1, argName: 'arg', optionalArg: false,
'A script for tweaking the configuration')
s (longOpt: 'source', args:1, argName:'path', optionalArg: false,
"Aliases for '-source'")
'?' (longOpt: 'help', 'usage information')
v (longOpt: 'version', 'version information')
D (args: 2, valueSeparator: '=', argName: 'property=value',
'use value for given property')
}
THECODEII
def opt = cli.parse(args)
if (!opt) // usage already displayed by cli.parse()
System.exit(2)
if(opt.'?')
cli.usage()
else if (opt.v)
println "Version: 1.0.0"
else {
if (opt.config)
println "Configuration: $opt.config"
if(opt.D) {
println "Custom properties:"
println opt.Ds.collate(2).collect{ it.join('=') }.join('n')
}
def home = System.properties.'user.dir'
if (opt.s || opt.source)
home = opt.s ?: opt.source
println "Working on files:"
opt.arguments().each println "$home/$it"
}
DEPENDENCY
MANAGEMENT
GRAPE
GROOVYADAPTABLEPACKAGINGENGINE
@Grab(group='org.springframework', module='spring-orm',
version='3.2.5.RELEASE')
import org.springframework.jdbc.core.JdbcTemplate
@Grab('org.springframework:spring-orm:3.2.5.RELEASE')
import org.springframework.jdbc.core.JdbcTemplate
Cachedirectory ~/.groovy/grape
@GRABANNOTATIONI
Annotatable everywhere
often seen at import statements
group (String)
Maven groupId or Ivy organization
module (String)
Maven artifactId or Ivy artifact
version (String)
literal
'1.1-RC3'
Ivy range
'[1.0, 2,0]' -> 1.0 or 2.0
'[2.1,)' -> 2.1 or greater
classifier (String)
'jdk15'
optional
MULTIPLEDEPENDENCIES
@Grapes([
@Grab(group='commons-primitives', module='commons-primitives',
version='1.0'),
@Grab(group='org.ccil.cowan.tagsoup', module='tagsoup', version='0.9.7')
])
class Example {
...
}
REPOSITORIES
Configuration in ~/.groovy/grapeConfig.xml
Grape cache -> ~/.groovy/grapes
Maven Local -> ~/.m2/repository
JCenter (includes Maven Central)
Codehaus.org
IBiblio
Java.net
http://jcenter.bintray.com
http://repository.codehaus.org
http://www.ibiblio.org
http://download.java.net/maven/2
@GrabResolver(name='restlet', root='http://maven.restlet.org/')
@Grab(group='org.restlet', module='org.restlet', version='1.1.6')
EXCLUDETRANSITIVEDEPENDENCIES
@Grab('net.sourceforge.htmlunit:htmlunit:2.8')
@GrabExclude('xml-apis:xml-apis')
GRABCONFIG
@GrabConfig(systemClassLoader=true)
@Grab(group='mysql', module='mysql-connector-java', version='5.1.6')
GrabConfig
systemClassLoader (boolean)
using the System-ClassLoader
initContextClassLoader (boolean)
ContextClassLoader = CL of the current thread
autoDownload (boolean)
automatic downloading
disableChecksums (boolean)
checking checksums
PROXY-CONFIGURATION
$ groovy -Dhttp.proxyHost=<host> -Dhttp.proxyPort=<port>
-Dhttp.proxyUser=<user> -Dhttp.proxyPassword=<user> yourscript.groovy
JAVA_OPTS = -Dhttp.proxyHost=<host> -Dhttp.proxyPort=<port>
-Dhttp.proxyUser=<user> -Dhttp.proxyPassword=<user>
QUESTIONS?
Alexander (Sascha) Klein
 
codecentric AG
Curiestr. 2
70563 Stuttgart
 
tel +49.711.67400-328
mobile +49.172.5294020
alexander.klein@codecentric.de
@saschaklein
 
http://www.codecentric.de
http://blog.codecentric.de

More Related Content

What's hot

On UnQLite
On UnQLiteOn UnQLite
On UnQLitecharsbar
 
Working with databases in Perl
Working with databases in PerlWorking with databases in Perl
Working with databases in PerlLaurent Dami
 
OpenGurukul : Language : Shell Scripting
OpenGurukul : Language : Shell ScriptingOpenGurukul : Language : Shell Scripting
OpenGurukul : Language : Shell ScriptingOpen Gurukul
 
KubeCon EU 2016: Custom Volume Plugins
KubeCon EU 2016: Custom Volume PluginsKubeCon EU 2016: Custom Volume Plugins
KubeCon EU 2016: Custom Volume PluginsKubeAcademy
 
Using the Power to Prove
Using the Power to ProveUsing the Power to Prove
Using the Power to ProveKazuho Oku
 
PL/Perl - New Features in PostgreSQL 9.0
PL/Perl - New Features in PostgreSQL 9.0PL/Perl - New Features in PostgreSQL 9.0
PL/Perl - New Features in PostgreSQL 9.0Tim Bunce
 
Créer une base NoSQL en 1 heure
Créer une base NoSQL en 1 heureCréer une base NoSQL en 1 heure
Créer une base NoSQL en 1 heureAmaury Bouchard
 
Yapcasia2011 - Hello Embed Perl
Yapcasia2011 - Hello Embed PerlYapcasia2011 - Hello Embed Perl
Yapcasia2011 - Hello Embed PerlHideaki Ohno
 
Unix And Shell Scripting
Unix And Shell ScriptingUnix And Shell Scripting
Unix And Shell ScriptingJaibeer Malik
 
ZeroMQ Is The Answer
ZeroMQ Is The AnswerZeroMQ Is The Answer
ZeroMQ Is The AnswerIan Barber
 
Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...
Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...
Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...Puppet
 
Unix Programming with Perl
Unix Programming with PerlUnix Programming with Perl
Unix Programming with PerlKazuho Oku
 
Kansai.pm 10周年記念 Plack/PSGI 入門
Kansai.pm 10周年記念 Plack/PSGI 入門Kansai.pm 10周年記念 Plack/PSGI 入門
Kansai.pm 10周年記念 Plack/PSGI 入門lestrrat
 
Good Evils In Perl (Yapc Asia)
Good Evils In Perl (Yapc Asia)Good Evils In Perl (Yapc Asia)
Good Evils In Perl (Yapc Asia)Kang-min Liu
 

What's hot (20)

Shell Scripting
Shell ScriptingShell Scripting
Shell Scripting
 
High Performance tDiary
High Performance tDiaryHigh Performance tDiary
High Performance tDiary
 
On UnQLite
On UnQLiteOn UnQLite
On UnQLite
 
Working with databases in Perl
Working with databases in PerlWorking with databases in Perl
Working with databases in Perl
 
OpenGurukul : Language : Shell Scripting
OpenGurukul : Language : Shell ScriptingOpenGurukul : Language : Shell Scripting
OpenGurukul : Language : Shell Scripting
 
Shell Script Tutorial
Shell Script TutorialShell Script Tutorial
Shell Script Tutorial
 
KubeCon EU 2016: Custom Volume Plugins
KubeCon EU 2016: Custom Volume PluginsKubeCon EU 2016: Custom Volume Plugins
KubeCon EU 2016: Custom Volume Plugins
 
Using the Power to Prove
Using the Power to ProveUsing the Power to Prove
Using the Power to Prove
 
Augeas @RMLL 2012
Augeas @RMLL 2012Augeas @RMLL 2012
Augeas @RMLL 2012
 
PL/Perl - New Features in PostgreSQL 9.0
PL/Perl - New Features in PostgreSQL 9.0PL/Perl - New Features in PostgreSQL 9.0
PL/Perl - New Features in PostgreSQL 9.0
 
Créer une base NoSQL en 1 heure
Créer une base NoSQL en 1 heureCréer une base NoSQL en 1 heure
Créer une base NoSQL en 1 heure
 
Yapcasia2011 - Hello Embed Perl
Yapcasia2011 - Hello Embed PerlYapcasia2011 - Hello Embed Perl
Yapcasia2011 - Hello Embed Perl
 
Unix And Shell Scripting
Unix And Shell ScriptingUnix And Shell Scripting
Unix And Shell Scripting
 
Chap06
Chap06Chap06
Chap06
 
ZeroMQ Is The Answer
ZeroMQ Is The AnswerZeroMQ Is The Answer
ZeroMQ Is The Answer
 
Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...
Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...
Puppet Camp Chicago 2014: Smoothing Troubles With Custom Types and Providers ...
 
Memory Manglement in Raku
Memory Manglement in RakuMemory Manglement in Raku
Memory Manglement in Raku
 
Unix Programming with Perl
Unix Programming with PerlUnix Programming with Perl
Unix Programming with Perl
 
Kansai.pm 10周年記念 Plack/PSGI 入門
Kansai.pm 10周年記念 Plack/PSGI 入門Kansai.pm 10周年記念 Plack/PSGI 入門
Kansai.pm 10周年記念 Plack/PSGI 入門
 
Good Evils In Perl (Yapc Asia)
Good Evils In Perl (Yapc Asia)Good Evils In Perl (Yapc Asia)
Good Evils In Perl (Yapc Asia)
 

Similar to Groovy on the Shell

Configuration Surgery with Augeas
Configuration Surgery with AugeasConfiguration Surgery with Augeas
Configuration Surgery with AugeasPuppet
 
How Secure Are Docker Containers?
How Secure Are Docker Containers?How Secure Are Docker Containers?
How Secure Are Docker Containers?Ben Hall
 
Introducing PHP Latest Updates
Introducing PHP Latest UpdatesIntroducing PHP Latest Updates
Introducing PHP Latest UpdatesIftekhar Eather
 
2007 09 10 Fzi Training Groovy Grails V Ws
2007 09 10 Fzi Training Groovy Grails V Ws2007 09 10 Fzi Training Groovy Grails V Ws
2007 09 10 Fzi Training Groovy Grails V Wsloffenauer
 
ELK: a log management framework
ELK: a log management frameworkELK: a log management framework
ELK: a log management frameworkGiovanni Bechis
 
Im trying to run make qemu-nox In a putty terminal but it.pdf
Im trying to run  make qemu-nox  In a putty terminal but it.pdfIm trying to run  make qemu-nox  In a putty terminal but it.pdf
Im trying to run make qemu-nox In a putty terminal but it.pdfmaheshkumar12354
 
DEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destruction
DEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destructionDEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destruction
DEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destructionFelipe Prado
 
deepjs - tools for better programming
deepjs - tools for better programmingdeepjs - tools for better programming
deepjs - tools for better programmingnomocas
 
Apache Hadoop Shell Rewrite
Apache Hadoop Shell RewriteApache Hadoop Shell Rewrite
Apache Hadoop Shell RewriteAllen Wittenauer
 
Jakob Holderbaum - Managing Shared secrets using basic Unix tools
Jakob Holderbaum - Managing Shared secrets using basic Unix toolsJakob Holderbaum - Managing Shared secrets using basic Unix tools
Jakob Holderbaum - Managing Shared secrets using basic Unix toolsDevSecCon
 
PHP Backdoor: The rise of the vuln
PHP Backdoor: The rise of the vulnPHP Backdoor: The rise of the vuln
PHP Backdoor: The rise of the vulnSandro Zaccarini
 
Gazelle - Plack Handler for performance freaks #yokohamapm
Gazelle - Plack Handler for performance freaks #yokohamapmGazelle - Plack Handler for performance freaks #yokohamapm
Gazelle - Plack Handler for performance freaks #yokohamapmMasahiro Nagano
 
Hadoop spark performance comparison
Hadoop spark performance comparisonHadoop spark performance comparison
Hadoop spark performance comparisonarunkumar sadhasivam
 
Vagrant for real (codemotion rome 2016)
Vagrant for real (codemotion rome 2016)Vagrant for real (codemotion rome 2016)
Vagrant for real (codemotion rome 2016)Michele Orselli
 
Vagrant for real
Vagrant for realVagrant for real
Vagrant for realCodemotion
 
Alexander Reelsen - Seccomp for Developers
Alexander Reelsen - Seccomp for DevelopersAlexander Reelsen - Seccomp for Developers
Alexander Reelsen - Seccomp for DevelopersDevDay Dresden
 
JavaScript Growing Up
JavaScript Growing UpJavaScript Growing Up
JavaScript Growing UpDavid Padbury
 
Security Challenges in Node.js
Security Challenges in Node.jsSecurity Challenges in Node.js
Security Challenges in Node.jsWebsecurify
 

Similar to Groovy on the Shell (20)

Configuration Surgery with Augeas
Configuration Surgery with AugeasConfiguration Surgery with Augeas
Configuration Surgery with Augeas
 
Vagrant for real
Vagrant for realVagrant for real
Vagrant for real
 
How Secure Are Docker Containers?
How Secure Are Docker Containers?How Secure Are Docker Containers?
How Secure Are Docker Containers?
 
Introducing PHP Latest Updates
Introducing PHP Latest UpdatesIntroducing PHP Latest Updates
Introducing PHP Latest Updates
 
2007 09 10 Fzi Training Groovy Grails V Ws
2007 09 10 Fzi Training Groovy Grails V Ws2007 09 10 Fzi Training Groovy Grails V Ws
2007 09 10 Fzi Training Groovy Grails V Ws
 
Perl basics for Pentesters
Perl basics for PentestersPerl basics for Pentesters
Perl basics for Pentesters
 
ELK: a log management framework
ELK: a log management frameworkELK: a log management framework
ELK: a log management framework
 
Im trying to run make qemu-nox In a putty terminal but it.pdf
Im trying to run  make qemu-nox  In a putty terminal but it.pdfIm trying to run  make qemu-nox  In a putty terminal but it.pdf
Im trying to run make qemu-nox In a putty terminal but it.pdf
 
DEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destruction
DEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destructionDEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destruction
DEF CON 27 - PATRICK WARDLE - harnessing weapons of Mac destruction
 
deepjs - tools for better programming
deepjs - tools for better programmingdeepjs - tools for better programming
deepjs - tools for better programming
 
Apache Hadoop Shell Rewrite
Apache Hadoop Shell RewriteApache Hadoop Shell Rewrite
Apache Hadoop Shell Rewrite
 
Jakob Holderbaum - Managing Shared secrets using basic Unix tools
Jakob Holderbaum - Managing Shared secrets using basic Unix toolsJakob Holderbaum - Managing Shared secrets using basic Unix tools
Jakob Holderbaum - Managing Shared secrets using basic Unix tools
 
PHP Backdoor: The rise of the vuln
PHP Backdoor: The rise of the vulnPHP Backdoor: The rise of the vuln
PHP Backdoor: The rise of the vuln
 
Gazelle - Plack Handler for performance freaks #yokohamapm
Gazelle - Plack Handler for performance freaks #yokohamapmGazelle - Plack Handler for performance freaks #yokohamapm
Gazelle - Plack Handler for performance freaks #yokohamapm
 
Hadoop spark performance comparison
Hadoop spark performance comparisonHadoop spark performance comparison
Hadoop spark performance comparison
 
Vagrant for real (codemotion rome 2016)
Vagrant for real (codemotion rome 2016)Vagrant for real (codemotion rome 2016)
Vagrant for real (codemotion rome 2016)
 
Vagrant for real
Vagrant for realVagrant for real
Vagrant for real
 
Alexander Reelsen - Seccomp for Developers
Alexander Reelsen - Seccomp for DevelopersAlexander Reelsen - Seccomp for Developers
Alexander Reelsen - Seccomp for Developers
 
JavaScript Growing Up
JavaScript Growing UpJavaScript Growing Up
JavaScript Growing Up
 
Security Challenges in Node.js
Security Challenges in Node.jsSecurity Challenges in Node.js
Security Challenges in Node.js
 

More from sascha_klein

Groovy on the shell
Groovy on the shellGroovy on the shell
Groovy on the shellsascha_klein
 
GroovyFX - groove JavaFX Gr8Conf EU 2017
GroovyFX - groove JavaFX Gr8Conf EU 2017GroovyFX - groove JavaFX Gr8Conf EU 2017
GroovyFX - groove JavaFX Gr8Conf EU 2017sascha_klein
 
Bob the Builder - Gr8Conf EU 2017
Bob the Builder - Gr8Conf EU 2017Bob the Builder - Gr8Conf EU 2017
Bob the Builder - Gr8Conf EU 2017sascha_klein
 
GroovyFX - Groove JavaFX
GroovyFX - Groove JavaFXGroovyFX - Groove JavaFX
GroovyFX - Groove JavaFXsascha_klein
 
Using Groovy with Jenkins
Using Groovy with JenkinsUsing Groovy with Jenkins
Using Groovy with Jenkinssascha_klein
 
Introduction to Graphics- and UI-Design
Introduction to Graphics- and UI-DesignIntroduction to Graphics- and UI-Design
Introduction to Graphics- and UI-Designsascha_klein
 
Groovy on the shell
Groovy on the shellGroovy on the shell
Groovy on the shellsascha_klein
 
Vert.x using Groovy - Simplifying non-blocking code
Vert.x using Groovy - Simplifying non-blocking codeVert.x using Groovy - Simplifying non-blocking code
Vert.x using Groovy - Simplifying non-blocking codesascha_klein
 

More from sascha_klein (10)

DSL101
DSL101DSL101
DSL101
 
Groovy on the shell
Groovy on the shellGroovy on the shell
Groovy on the shell
 
GroovyFX - groove JavaFX Gr8Conf EU 2017
GroovyFX - groove JavaFX Gr8Conf EU 2017GroovyFX - groove JavaFX Gr8Conf EU 2017
GroovyFX - groove JavaFX Gr8Conf EU 2017
 
Bob the Builder - Gr8Conf EU 2017
Bob the Builder - Gr8Conf EU 2017Bob the Builder - Gr8Conf EU 2017
Bob the Builder - Gr8Conf EU 2017
 
GroovyFX - Groove JavaFX
GroovyFX - Groove JavaFXGroovyFX - Groove JavaFX
GroovyFX - Groove JavaFX
 
Using Groovy with Jenkins
Using Groovy with JenkinsUsing Groovy with Jenkins
Using Groovy with Jenkins
 
Introduction to Graphics- and UI-Design
Introduction to Graphics- and UI-DesignIntroduction to Graphics- and UI-Design
Introduction to Graphics- and UI-Design
 
Android on Groovy
Android on GroovyAndroid on Groovy
Android on Groovy
 
Groovy on the shell
Groovy on the shellGroovy on the shell
Groovy on the shell
 
Vert.x using Groovy - Simplifying non-blocking code
Vert.x using Groovy - Simplifying non-blocking codeVert.x using Groovy - Simplifying non-blocking code
Vert.x using Groovy - Simplifying non-blocking code
 

Recently uploaded

Top Software Development Trends in 2024
Top Software Development Trends in  2024Top Software Development Trends in  2024
Top Software Development Trends in 2024Mind IT Systems
 
ERP For Electrical and Electronics manufecturing.pptx
ERP For Electrical and Electronics manufecturing.pptxERP For Electrical and Electronics manufecturing.pptx
ERP For Electrical and Electronics manufecturing.pptxAutus Cyber Tech
 
Big Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/ML
Big Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/MLBig Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/ML
Big Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/MLAlluxio, Inc.
 
Sales Territory Management: A Definitive Guide to Expand Sales Coverage
Sales Territory Management: A Definitive Guide to Expand Sales CoverageSales Territory Management: A Definitive Guide to Expand Sales Coverage
Sales Territory Management: A Definitive Guide to Expand Sales CoverageDista
 
Fields in Java and Kotlin and what to expect.pptx
Fields in Java and Kotlin and what to expect.pptxFields in Java and Kotlin and what to expect.pptx
Fields in Java and Kotlin and what to expect.pptxJoão Esperancinha
 
Your Vision, Our Expertise: TECUNIQUE's Tailored Software Teams
Your Vision, Our Expertise: TECUNIQUE's Tailored Software TeamsYour Vision, Our Expertise: TECUNIQUE's Tailored Software Teams
Your Vision, Our Expertise: TECUNIQUE's Tailored Software TeamsJaydeep Chhasatia
 
Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...
Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...
Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...Jaydeep Chhasatia
 
Enterprise Document Management System - Qualityze Inc
Enterprise Document Management System - Qualityze IncEnterprise Document Management System - Qualityze Inc
Enterprise Document Management System - Qualityze Incrobinwilliams8624
 
IA Generativa y Grafos de Neo4j: RAG time
IA Generativa y Grafos de Neo4j: RAG timeIA Generativa y Grafos de Neo4j: RAG time
IA Generativa y Grafos de Neo4j: RAG timeNeo4j
 
Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...
Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...
Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...OnePlan Solutions
 
eAuditor Audits & Inspections - conduct field inspections
eAuditor Audits & Inspections - conduct field inspectionseAuditor Audits & Inspections - conduct field inspections
eAuditor Audits & Inspections - conduct field inspectionsNirav Modi
 
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.Sharon Liu
 
Introduction-to-Software-Development-Outsourcing.pptx
Introduction-to-Software-Development-Outsourcing.pptxIntroduction-to-Software-Development-Outsourcing.pptx
Introduction-to-Software-Development-Outsourcing.pptxIntelliSource Technologies
 
Why Choose Brain Inventory For Ecommerce Development.pdf
Why Choose Brain Inventory For Ecommerce Development.pdfWhy Choose Brain Inventory For Ecommerce Development.pdf
Why Choose Brain Inventory For Ecommerce Development.pdfBrain Inventory
 
Kawika Technologies pvt ltd Software Development Company in Trivandrum
Kawika Technologies pvt ltd Software Development Company in TrivandrumKawika Technologies pvt ltd Software Development Company in Trivandrum
Kawika Technologies pvt ltd Software Development Company in TrivandrumKawika Technologies
 
Growing Oxen: channel operators and retries
Growing Oxen: channel operators and retriesGrowing Oxen: channel operators and retries
Growing Oxen: channel operators and retriesSoftwareMill
 
online pdf editor software solutions.pdf
online pdf editor software solutions.pdfonline pdf editor software solutions.pdf
online pdf editor software solutions.pdfMeon Technology
 
Cybersecurity Challenges with Generative AI - for Good and Bad
Cybersecurity Challenges with Generative AI - for Good and BadCybersecurity Challenges with Generative AI - for Good and Bad
Cybersecurity Challenges with Generative AI - for Good and BadIvo Andreev
 
ARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdf
ARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdfARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdf
ARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdfTobias Schneck
 
Watermarking in Source Code: Applications and Security Challenges
Watermarking in Source Code: Applications and Security ChallengesWatermarking in Source Code: Applications and Security Challenges
Watermarking in Source Code: Applications and Security ChallengesShyamsundar Das
 

Recently uploaded (20)

Top Software Development Trends in 2024
Top Software Development Trends in  2024Top Software Development Trends in  2024
Top Software Development Trends in 2024
 
ERP For Electrical and Electronics manufecturing.pptx
ERP For Electrical and Electronics manufecturing.pptxERP For Electrical and Electronics manufecturing.pptx
ERP For Electrical and Electronics manufecturing.pptx
 
Big Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/ML
Big Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/MLBig Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/ML
Big Data Bellevue Meetup | Enhancing Python Data Loading in the Cloud for AI/ML
 
Sales Territory Management: A Definitive Guide to Expand Sales Coverage
Sales Territory Management: A Definitive Guide to Expand Sales CoverageSales Territory Management: A Definitive Guide to Expand Sales Coverage
Sales Territory Management: A Definitive Guide to Expand Sales Coverage
 
Fields in Java and Kotlin and what to expect.pptx
Fields in Java and Kotlin and what to expect.pptxFields in Java and Kotlin and what to expect.pptx
Fields in Java and Kotlin and what to expect.pptx
 
Your Vision, Our Expertise: TECUNIQUE's Tailored Software Teams
Your Vision, Our Expertise: TECUNIQUE's Tailored Software TeamsYour Vision, Our Expertise: TECUNIQUE's Tailored Software Teams
Your Vision, Our Expertise: TECUNIQUE's Tailored Software Teams
 
Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...
Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...
Optimizing Business Potential: A Guide to Outsourcing Engineering Services in...
 
Enterprise Document Management System - Qualityze Inc
Enterprise Document Management System - Qualityze IncEnterprise Document Management System - Qualityze Inc
Enterprise Document Management System - Qualityze Inc
 
IA Generativa y Grafos de Neo4j: RAG time
IA Generativa y Grafos de Neo4j: RAG timeIA Generativa y Grafos de Neo4j: RAG time
IA Generativa y Grafos de Neo4j: RAG time
 
Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...
Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...
Transforming PMO Success with AI - Discover OnePlan Strategic Portfolio Work ...
 
eAuditor Audits & Inspections - conduct field inspections
eAuditor Audits & Inspections - conduct field inspectionseAuditor Audits & Inspections - conduct field inspections
eAuditor Audits & Inspections - conduct field inspections
 
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.
 
Introduction-to-Software-Development-Outsourcing.pptx
Introduction-to-Software-Development-Outsourcing.pptxIntroduction-to-Software-Development-Outsourcing.pptx
Introduction-to-Software-Development-Outsourcing.pptx
 
Why Choose Brain Inventory For Ecommerce Development.pdf
Why Choose Brain Inventory For Ecommerce Development.pdfWhy Choose Brain Inventory For Ecommerce Development.pdf
Why Choose Brain Inventory For Ecommerce Development.pdf
 
Kawika Technologies pvt ltd Software Development Company in Trivandrum
Kawika Technologies pvt ltd Software Development Company in TrivandrumKawika Technologies pvt ltd Software Development Company in Trivandrum
Kawika Technologies pvt ltd Software Development Company in Trivandrum
 
Growing Oxen: channel operators and retries
Growing Oxen: channel operators and retriesGrowing Oxen: channel operators and retries
Growing Oxen: channel operators and retries
 
online pdf editor software solutions.pdf
online pdf editor software solutions.pdfonline pdf editor software solutions.pdf
online pdf editor software solutions.pdf
 
Cybersecurity Challenges with Generative AI - for Good and Bad
Cybersecurity Challenges with Generative AI - for Good and BadCybersecurity Challenges with Generative AI - for Good and Bad
Cybersecurity Challenges with Generative AI - for Good and Bad
 
ARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdf
ARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdfARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdf
ARM Talk @ Rejekts - Will ARM be the new Mainstream in our Data Centers_.pdf
 
Watermarking in Source Code: Applications and Security Challenges
Watermarking in Source Code: Applications and Security ChallengesWatermarking in Source Code: Applications and Security Challenges
Watermarking in Source Code: Applications and Security Challenges
 

Groovy on the Shell