$awk
Pattern scanning and column text processing language.
awk [OPTIONS] 'program' [FILE...]Prueba en vivo en la terminal interactiva
Simulación del lado del cliente sin instalación y con respuesta inmediata.
Descripción general y funcionamiento
`awk` is a complete programming language designed for data extraction and reporting. It treats text files as tables divided into records (lines) and fields (columns delimited by spaces or commas), making it effortless to parse CSVs, log files, and system process tables.
Opciones y banderas comunes
| Flag / Option | Description |
|---|---|
| -F [separator] | Define custom field separator character (e.g., -F: for /etc/passwd). |
| -v [var=val] | Assign a value to an internal awk program variable. |
Ejemplos prácticos del mundo real
awk -F: '{print $1}' /etc/passwdSplits lines by colon (:) and prints the first column containing account usernames.
Comandos de Linux relacionados
Busque patrones de cadenas o expresiones regulares dentro de archivos de texto.
Output the first part (top lines) of text files.
Output the last part (bottom lines) of files or stream real-time logs.
Print newline, word, and byte counts for files.
Print text strings or write data to files using shell redirection.
Stream editor for filtering and transforming text using pattern substitutions.