Module helper

Functions

• find_one_object
• lockfile
  Lock a file for exclusive access.
• no_object_exists
  Returns Ok(()) if no objects specified by id or label exist.
• object_exists
  Returns true if one or more objects specified by id or label exist.
• parse_range
  Parse a range from a string (e.g. “10..20”). The integers in the range may be expressed in either decimal or hexadecimal.
• random_id
  Generates an 8-byte random id.
• read_file
  Reads a file into a byte buffer.
• search_spec
• search_spec_ex
  Constructs a search template given an id or label.
• write_file
  Writes data to a file.