diff options
Diffstat (limited to 'Doc/lib/liboptparse.tex')
-rw-r--r-- | Doc/lib/liboptparse.tex | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/Doc/lib/liboptparse.tex b/Doc/lib/liboptparse.tex index 79f5ee8..8b1b404 100644 --- a/Doc/lib/liboptparse.tex +++ b/Doc/lib/liboptparse.tex @@ -109,7 +109,7 @@ than \var{sys.argv[1:]}, so you should read ``argument'' as ``an element of \begin{itemize} \item a hyphen followed by a few letters, e.g. \programopt{-pf} (this is - *not* the same as multiple options merged into a single + \emph{not} the same as multiple options merged into a single argument.) \item a hyphen followed by a whole word, e.g. \programopt{-file} (this is technically equivalent to the previous syntax, but they aren't @@ -449,7 +449,7 @@ parser.add_option("-m", "--mode", \end{verbatim} If \module{optparse} encounters either \programopt{-h} or -\longprogramopt{--help} on the command-line, or if you just call +\longprogramopt{help} on the command-line, or if you just call \method{parser.print_help()}, it prints the following to stdout: \begin{verbatim} @@ -561,7 +561,7 @@ parser = OptionParser(usage="%prog [-f] [-q]", version="%prog 1.0") Note that ``\%prog'' is expanded just like it is in \var{usage}. Apart from that, \var{version} can contain anything you like. When you supply it, -\module{optparse} automatically adds a\ longprogramopt{version} option to your +\module{optparse} automatically adds a \longprogramopt{version} option to your parser. If it encounters this option on the command line, it expands your \var{version} string (by replacing ``\%prog''), prints it to stdout, and exits. @@ -786,7 +786,8 @@ then \module{optparse}, on seeing the \programopt{-f} or Clearly, the \var{type} and \var{dest} arguments are (usually) almost as important as \var{action}. \var{action} is the only attribute that -is meaningful for *all* options, though, so it is the most important. +is meaningful for \emph{all} options, though, so it is the most +important. \subsubsection{Option actions\label{optparse-option-actions}} @@ -812,9 +813,9 @@ If \var{type} is not supplied, it defaults to ``string''. If \var{dest} is not supplied, \module{optparse} derives a destination from the first long option strings (e.g., -\longprogramopt{foo-bar} -> \var{foo_bar}). If there are no long +\longprogramopt{foo-bar} becomes \var{foo_bar}). If there are no long option strings, \module{optparse} derives a destination from the first -short option string (e.g., \programopt{-f} -> \var{f}). +short option string (e.g., \programopt{-f} becomes \var{f}). Example: @@ -902,7 +903,7 @@ values.tracks = [] values.tracks.append(int("3")) \end{verbatim} -If, a little later on, \samp{--tracks=4} is seen, it does: +If, a little later on, \longprogramopt{tracks=4} is seen, it does: \begin{verbatim} values.tracks.append(int("4")) @@ -910,7 +911,7 @@ values.tracks.append(int("4")) See ``Error handling'' (section~\ref{optparse-error-handling}) for information on how \module{optparse} deals with something like -\samp{--tracks=x}. +\longprogramopt{tracks=x}. \term{count} [required: \var{dest}] @@ -982,9 +983,9 @@ parser = OptionParser(usage, option_list=[ make_option("--secret", help=SUPPRESS_HELP) \end{verbatim} -If \module{optparse} sees either \longprogramopt{-h} or \longprogramopt{help} on -the command line, it will print something like the following help -message to stdout: +If \module{optparse} sees either \programopt{-h} or +\longprogramopt{help} on the command line, it will print something +like the following help message to stdout: \begin{verbatim} usage: <yourscript> [options] |