setgrent

NAME

rename OLDNAME,NEWNAME Changes the name of a file; an existing file NEWNAME will be clobbered. Returns true for success, false otherwise.

goto LABEL goto EXPR goto &NAME The

NAME

fileno FILEHANDLE Returns the file descriptor for a filehandle, or undefined if the filehandle is not open. If there is no real file descriptor

readpipe EXPR readpipe EXPR is executed as a system command. The collected standard output of the command

NAME

C-style Logical Or Binary "||" performs a short-circuit logical OR operation. That is, if

getsockopt SOCKET,LEVEL,OPTNAME Queries the option named OPTNAME associated with SOCKET at a given LEVEL. Options may exist at multiple protocol