If channelId is in nonblocking mode, the command may not read as many bytes as requested: once all available input has been read, the command will return the data that is available rather than blocking for more input. The -nonewline switch is ignored if the command returns before reaching the end of the file.
Read translates end-of-line sequences in the input into newline characters according to the -translation option for the channel. See the manual entry for fconfigure for details on the -translation option.
Copyright © 1993 The Regents of the University of California. Copyright © 1994-1996 Sun Microsystems, Inc. Copyright © 1995-1997 Roger E. Critchlow Jr.