made newer installer that does not require tar stuff

prod/hysh/bin/help

@@ -0,0 +1 @@
+local a={{name="cd",usage="cd [dir]",desc="Change working directory. Use '-' to return to previous directory.",flags={}},{name="pwd",usage="pwd",desc="Print current working directory.",flags={}},{name="ls",usage="ls [-alh] [dir]",desc="List directory contents. Coloured by type: dirs=blue, symlinks=cyan, executables=green.",flags={{"-a","Show hidden files (starting with .)"},{"-l","Long format: permissions, owner, group, size, mtime, name"},{"-h","Human-readable file sizes (with -l)"},{"--help","Display help and exit"}}},{name="find",usage="find [path] [-name PAT] [-type f|d|l] [-maxdepth N]",desc="Walk the filesystem tree and print matching paths.",flags={{"-name PAT","Match filename against shell glob (* and ?)"},{"-type f|d|l","Filter by file, directory, or symlink"},{"-maxdepth N","Descend at most N directory levels"},{"-mindepth N","Skip entries shallower than N levels"},{"-empty","Match empty files or empty directories"}}},{name="cp",usage="cp [-rRp] SOURCE... DEST",desc="Copy files or directories.",flags={{"-r,-R","Recurse into directories"},{"-p","Preserve permissions"},{"--help","Display help and exit"}}},{name="mv",usage="mv [-f] SOURCE... DEST",desc="Move or rename files and directories.",flags={{"-f","Do not prompt before overwriting (default)"},{"--help","Display help and exit"}}},{name="rm",usage="rm [-rRf] FILE...",desc="Remove files or directories.",flags={{"-r,-R","Recursively remove directories and their contents"},{"-f","Ignore nonexistent files, never prompt"},{"--help","Display help and exit"}}},{name="touch",usage="touch FILE...",desc="Create an empty file, or no-op if it already exists.",flags={}},{name="mkdir",usage="mkdir <dir>",desc="Create a directory.",flags={}},{name="ln",usage="ln -s [-f] TARGET LINK",desc="Create a symbolic link. Multiple targets can be linked into a directory.",flags={{"-s","Create a symbolic link (required; hard links not supported)"},{"-f","Remove existing destination before creating link"},{"--help","Display help and exit"}}},{name="cat",usage="cat [file...]",desc="Print file(s) to stdout. Reads stdin if no file given.",flags={}},{name="head",usage="head [-n N] [file...]",desc="Print the first N lines of each file (default 10).",flags={{"-n N","Number of lines to print"},{"--help","Display help and exit"}}},{name="tail",usage="tail [-n N] [file...]",desc="Print the last N lines of each file (default 10).",flags={{"-n N","Number of lines to print"},{"--help","Display help and exit"}}},{name="wc",usage="wc [-lwc] [file...]",desc="Count lines, words, and bytes in files.",flags={{"-l","Print line count"},{"-w","Print word count"},{"-c","Print byte count"},{"--help","Display help and exit"}}},{name="grep",usage="grep [-ivnlcrR] PATTERN [file...]",desc="Search for lines matching a Lua pattern.",flags={{"-i","Ignore case"},{"-v","Invert: select non-matching lines"},{"-n","Prefix output with line numbers"},{"-l","Print only filenames that contain a match"},{"-c","Print count of matching lines per file"},{"-r,-R","Recurse into directories"},{"--help","Display help and exit"}}},{name="sed",usage="sed 's/PAT/REPL/' [file...]",desc="Stream editor. Applies substitution commands to each line.",flags={}},{name="sort",usage="sort [-rnu] [file...]",desc="Sort lines of text.",flags={{"-r","Reverse the sort order"},{"-n","Numeric sort"},{"-u","Suppress duplicate lines"},{"--help","Display help and exit"}}},{name="uniq",usage="uniq [-cdui] [input [output]]",desc="Filter adjacent duplicate lines.",flags={{"-c","Prefix each line with its repetition count"},{"-d","Print only lines that appear more than once"},{"-u","Print only lines that appear exactly once"},{"-i","Ignore case when comparing"},{"--help","Display help and exit"}}},{name="tee",usage="tee [-a] [file...]",desc="Copy stdin to stdout and to each FILE simultaneously.",flags={{"-a","Append to files instead of overwriting"},{"--help","Display help and exit"}}},{name="basename",usage="basename STRING [SUFFIX]",desc="Strip directory and optional suffix from a path.",flags={}},{name="dirname",usage="dirname STRING...",desc="Strip the last component from a path.",flags={}},{name="readlink",usage="readlink [-fenq] file...",desc="Print the target of a symbolic link.",flags={{"-f","Canonicalize: follow every symlink component"},{"-e","Like -f but all components must exist"},{"-n","Do not output trailing newline"},{"--help","Display help and exit"}}},{name="stat",usage="stat file...",desc="Display file type, size, owner, group, and permissions.",flags={{"--help","Display help and exit"}}},{name="chmod",usage="chmod [-R] MODE file...",desc="Change file permissions. MODE may be octal (755) or symbolic (u+x).",flags={{"-R","Recurse into directories"},{"--help","Display help and exit"}}},{name="chown",usage="chown [-R] USER[:GROUP] file...",desc="Change file owner and/or group.",flags={{"-R","Recurse into directories"},{"--help","Display help and exit"}}},{name="chgrp",usage="chgrp [-R] GROUP file...",desc="Change file group ownersLine truncated