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Node.js programs are invoked by running the interpreter node interpreter with a given file, so the first two arguments will be node and the name of the JavaScript source file. It is often useful to extract the rest of the arguments by slicing a sub-array from process.argv .
getopt is a concise description of the common POSIX command argument structure, and it is replicated widely by programmers seeking to provide a similar interface, both to themselves and to the user on the command-line. C: non-POSIX systems do not ship getopt in the C library, but gnulib [6] and MinGW (both accept GNU-style), as well as some ...
4DOS is a command-line interpreter by JP Software, designed to replace the default command interpreter COMMAND.COM in Microsoft DOS and Windows.It was written by Rex C. Conn and Tom Rawson and first released in 1989.
PLY is a parsing tool written purely in Python. It is, in essence, a re-implementation of Lex and Yacc originally in C-language . It was written by David M. Beazley .
[1] [2] It is specialized for use in text editors, as it supports incremental parsing for updating parse trees while code is edited in real time, [3] and provides a built-in S-expression query system for analyzing code. [4] Text editors which have official integrations with Tree-sitter include Atom, [5] GNU Emacs, [6] Neovim, [7] Lapce, [8] Zed ...
xargs (short for "extended arguments") [1] is a command on Unix and most Unix-like operating systems used to build and execute commands from standard input. It converts input from standard input into arguments to a command. Some commands such as grep and awk can take input either as
Windows PowerShell, a command processor based on .NET Framework. PowerShell, a command processor based on .NET; Hamilton C shell, a clone of the Unix C shell by Hamilton Laboratories; Take Command Console (4NT), a clone of CMD.EXE with added features by JP Software; Take Command, a newer incarnation of 4NT
Hamilton C shell and Cygwin bash on Windows 7, showing the use of recursion for factoring. The original C shell uses an ad hoc parser. This has led to complaints about its limitations. It works well enough for the kinds of things users type interactively but not very well for the more complex commands a user might take time to write in a script.