$awk
Pattern scanning and column text processing language.
awk [OPTIONS] 'program' [FILE...]Essayer en direct dans le bac à sable interactif
Simulation côté client sans installation avec retour instantané.
Aperçu et fonctionnement
`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.
Options et drapeaux courants
| 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. |
Exemples pratiques du monde réel
awk -F: '{print $1}' /etc/passwdSplits lines by colon (:) and prints the first column containing account usernames.
Commandes Linux associées
Rechercher des motifs de chaînes ou des expressions régulières dans des fichiers texte.
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.