AnyEnvVarsExist returns true if any of the environment variables exist, false if none exist.

AnyEnvVarsExistString is the same as AnyEnvVarsExist only it returns the environment variable key of the first environment variable that exists, or an empty string if none exist.

AnyPathsExists returns true if any of the provided paths exist, false if none exist.

AnyPathsExistString is same as AnyPathsExist, only it returns the first path that exists or an empty string if none exist.

Close closes things and logs errors if it fails.

Compress gzips the given input.

EnvVarExists returns true if environment variable exists, false if not.

PathExists returns true if a path exists, false if it does not.

Uncompress un-gzips the given input.