---
sidebar_label: "Prolog-Hello-World"
sidebar_position: 10
---
%%bash
sudo add-apt-repository ppa:swi-prolog/stable
sudo apt-get update
sudo apt-get install swi-prolog

%%writefile helloworld.pl
hello_world :- write('Hello World'), nl, 
               halt.

%%bash
swipl -q -s helloworld.pl -g hello_world

!wget https://dist.ipfs.io/go-ipfs/v0.4.2/go-ipfs_v0.4.2_linux-amd64.tar.gz
!tar xvfz go-ipfs_v0.4.2_linux-amd64.tar.gz
!mv go-ipfs/ipfs /usr/local/bin/ipfs
!ipfs init
!ipfs cat /ipfs/QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG/readme
!ipfs config Addresses.Gateway /ip4/127.0.0.1/tcp/8082
!ipfs config Addresses.API /ip4/127.0.0.1/tcp/5002
!nohup ipfs daemon > startup.log &

!ipfs add helloworld.pl

!curl -sL https://get.bacalhau.org/install.sh | bash

%%bash --out job_id
bacalhau docker run \
-v QmYq9ipYf3vsj7iLv5C67BXZcpLHxZbvFAJbtj7aKN5qii:/helloworld.pl \
--wait \
--id-only \
swipl \
 -- swipl -q -s helloworld.pl -g hello_world

%env JOB_ID={job_id}

%%bash
bacalhau list --id-filter ${JOB_ID} --wide

%%bash
bacalhau describe ${JOB_ID}

%%bash
rm -rf results && mkdir -p results
bacalhau get $JOB_ID --output-dir results

%%bash
cat results/combined_results/stdout