Version 0.1.0 candidate behavior writes its operand text followed by a newline repeatedlyuntil stdout is closed or the task is cancelled.
yes [STRING]...
With no operands the line is y; multiple operands are joined by one space.--help and --version print one line and exit. A broken pipe is treated asnormal producer termination, so yes | head does not report a command-levelfailure. The command does not inspect terminal state or introduce an outputquota; callers should use a bounded consumer in tests.