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// usage.cc
#include "xd.ih"
void usage(std::string const &progname)
{
cerr << "\n" <<
progname << " by " << Icmbuild::author << "\n" <<
progname << " V" << Icmbuild::version << " " << Icmbuild::year << "\n"
"\n"
"Usage: " << progname << " [options] args\n"
"Where:\n"
" [options] - optional arguments (short options and default values "
"between\n"
" parentheses):\n"
" --all (-a) - skip `ignore' specification in the\n"
" configuration file\n"
" --config-file (-c) <file> - path to the config file to use\n"
" ($HOME/.xdrc)\n"
" --add-root <when> - search expansions from /\n"
" (if-empty)\n"
" --directories <which> - which directories to show?\n"
" (all)\n"
" --help (-h) - provide this help\n"
" --generalized-search (-g) - use the GDS mode\n"
" --start-at <origin> - where to start the search?\n"
" (home)\n"
" --traditional - use the traditional mode\n"
" --version (-v) - show version information and terminate\n"
" --verbose (-V) - show " << progname << "'s actions in "
"detail\n"
" args - arguments, possibly containing directory separators [/-].\n"
"\n" <<
progname <<
" eXchanges Directories by interpreting the characters of its\n"
"argument(s) as the initial characters of nested subdirectories.\n"
"Multiple arguments or arguments separated by / or - define the\n"
"initial characters of subsequently nested subdirectories.\n"
"\n"
"If the first argument starts with . expansion starts at the current\n"
"directory; if it's 0 expansion starts in the user's home directory;\n"
"if it's / expansion starts at the root; if it's a number (1 .. 9) \n"
"expansion starts at parent <number>; otherwise expansion starts\n"
"at the location defined by the configuration file\n"
"\n"
"When the specification results in multiple solutions, a final\n"
"selection is requested from a displayed list of alternatives.\n"
"\n"
"Use 'man xd' or read the xdrc file provided with the distribution\n"
"for details about " << progname << "'s configuration file\n"
"\n";
}
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