Pipeline Utility Steps
findFiles: Find files in the workspace
nodesByLabel: List of nodes by Label, by default excludes offline nodes.
readJSON: Read JSON from files in the workspace.
readManifest: Read a Jar Manifest
readMavenPom: Read a maven project file.
readProperties: Read properties from files in the workspace or text.
readYaml: Read yaml from files in the workspace or text.
sha1: Compute the SHA1 of a given file
tee: Tee output to file
touch: Create a file (if not already exist) in the workspace, and set the timestamp
unzip: Extract Zip file
writeJSON: Write JSON to a file in the workspace.
writeMavenPom: Write a maven project file.
writeYaml: Write a yaml from an object.
zip: Create Zip file