diff options
Diffstat (limited to 'lineio.txi')
| -rw-r--r-- | lineio.txi | 19 |
1 files changed, 10 insertions, 9 deletions
@@ -11,10 +11,10 @@ omitted, in which case it defaults to the value returned by @code{current-input-port}. @end defun -@defun read-line! string +@deffn {Procedure} read-line! string -@defunx read-line! string port +@deffnx {Procedure} read-line! string port Fills @var{string} with characters up to, but not including a newline or end of file, updating the @var{port} to point to the last character read or following the newline if it was read. If no characters are @@ -23,7 +23,7 @@ of file was found, the number of characters read is returned. Otherwise, @code{#f} is returned. The @var{port} argument may be omitted, in which case it defaults to the value returned by @code{current-input-port}. -@end defun +@end deffn @defun write-line string @@ -32,14 +32,15 @@ omitted, in which case it defaults to the value returned by Writes @var{string} followed by a newline to the given @var{port} and returns an unspecified value. The @var{Port} argument may be omitted, in which case it defaults to the value returned by -@code{current-input-port}.@refill +@code{current-input-port}. @end defun -@defun display-file path +@defun system->line command tmp -@defunx display-file path port -Displays the contents of the file named by @var{path} to @var{port}. The -@var{port} argument may be ommited, in which case it defaults to the -value returned by @code{current-output-port}. +@defunx system->line command +@var{command} must be a string. The string @var{tmp}, if supplied, is a path to use as +a temporary file. @code{system->line} calls @code{system} with @var{command} as argument, +redirecting stdout to file @var{tmp}. @code{system->line} returns a string containing the +first line of output from @var{tmp}. @end defun |