test_gocd_script.sh

#!/bin/bash

echo "Let us pretend that this is building something ... and takes 20 seconds"

count=0
while [ "$count" -lt 20 ]; do
    count=$((count + 1))

    color_code=$((31 + (count % 7)))
    printf "\e[01;${color_code}mBuilding [$count of 20]\e[00m\n"

    sleep 1
done

cat >my-artifact.html <<EOF
<html>
<body>
<h3>An example artifact</h3>
<pre>
==== ==== ====
An example artifact, created on: $(date)

Pipeline which created it: $GO_PIPELINE_NAME
Pipeline counter was: $GO_PIPELINE_COUNTER
==== ==== ====
</pre>
<body>
</html>
EOF