Characters - EOF (End of File)

Lexical Analysis - Lexer - Lexical (Analyzer|Tokenizer|Scanner)

Lexical Analysis - Lexer - Lexical (Analyzer|Tokenizer|Scanner) About Lexer are also known as: * Lexical analyzer * Lexical Tokenizer * Lexical Scanner A lexer defines how the contents of "...

A step by step on how to replace a text in Notepad++ with regular expression

A step by step tutorial and snippets on how to replace a portion of text in notepad++ with regular expression

Antlr - Getting Started (Hello World)

A getting started page that brings you in the world of Antlr. Steps Installation Grammar antlr/antlr4/blob/master/doc/getting-started.mdantlr4 getting-started Create a grammar file called Hello.g4 an "...

Antlr - Parse Tree (AST)

The tree parser is an AST that is created by the parser from a text input. Articles Related Management Print Grun with grun, see the -tree of -gui option of Example: Type your text and end with a End "...

Bash - Read (Builtin Command) that capture a line

Read is a bash builtin command and read: by default one line or a number of characters (by option) from: the standard input, or from the file descriptor fd supplied as an argument to the -u option "...

How to see the difference between two characters (hyphen and dash) ?

This page shows you how to make the difference between two characters that are really visually similar. Example Problem Are this two characters the same ? Solution To solve this problem, you need to p "...

Network - netcat (nc, ncat)

netcat is a command line tool that reads and writes data across network connections, using TCP or UDP protocol. You can see it as the equivalent of telnet It emprunts its name from the cat command E "...

Sh - EOF (Control-D)

EOF EOF on the console is Control-D Articles Related Configuration $IGNOREEOF The variable IGNOREEOF contains a numeric parameters: how many end-of-files (control-D) the shell will ignore before logg "...

Shell Data Processing - (WC|Word Count) command (Line count)

The wc command is a filter that prints on one line sequentially the number of: newlines (lines), words, and characters from: files or from an input stream when: no FILE is specified or the file "...

Shell Data Processing - Standard Input Stream (Stdin)

in a shell Management Creation Cat From a file cat will start a standard input session You can redirect it to a file. Echo from literal If your command needs plain input without terminal emulation you "...