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Don't describe this module as being a popen() wrapper; that's a little 

confusing.  This is clearly Unix-specific; label it as such.
This commit is contained in:
Fred Drake 1999-04-22 15:19:01 +00:00
parent a694e00085
commit 47894d2858
1 changed files with 7 additions and 8 deletions
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15
Doc/lib/libcommands.tex
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@ -1,9 +1,10 @@
\section{\module{commands} --- \section{\module{commands} ---
Wrapper functions for \function{os.popen()}.} Utility functions for external commands}
\declaremodule{standard}{commands}
\sectionauthor{Sue Williams}{sbw@provis.com}
\modulesynopsis{Wrapper functions for \function{os.popen()}.} \declaremodule{standard}{commands}
\platform{Unix}
\modulesynopsis{Utility functions for running external commands.}
\sectionauthor{Sue Williams}{sbw@provis.com}
The \module{commands} module contains wrapper functions for The \module{commands} module contains wrapper functions for
@ -11,9 +12,7 @@ The \module{commands} module contains wrapper functions for
return any output generated by the command and, optionally, the exit return any output generated by the command and, optionally, the exit
status. status.
The \module{commands} module is only usable on systems which support The \module{commands} module defines the following functions:
\function{os.popen()} (currently \UNIX{}). It defines the following
functions:
\begin{funcdesc}{getstatusoutput}{cmd} \begin{funcdesc}{getstatusoutput}{cmd}
@ -22,7 +21,7 @@ return a 2-tuple \code{(\var{status}, \var{output})}. \var{cmd} is
actually run as \code{\{ \var{cmd} ; \} 2>\&1}, so that the returned actually run as \code{\{ \var{cmd} ; \} 2>\&1}, so that the returned
output will contain output or error messages. A trailing newline is output will contain output or error messages. A trailing newline is
stripped from the output. The exit status for the command can be stripped from the output. The exit status for the command can be
interpreted according to the rules for the \C{} function interpreted according to the rules for the C function
\cfunction{wait()}. \cfunction{wait()}.
\end{funcdesc} \end{funcdesc}