$sed
Stream editor for filtering and transforming text using pattern substitutions.
sed [OPTIONS] SCRIPT [INPUT-FILE...]Prueba en vivo en la terminal interactiva
Simulación del lado del cliente sin instalación y con respuesta inmediata.
Descripción general y funcionamiento
`sed` (Stream Editor) performs basic text transformations on an input stream or file. Its most famous capability is search-and-replace using the `s/find/replace/g` syntax, allowing automated batch editing of source code and configurations without opening a visual editor.
Opciones y banderas comunes
| Flag / Option | Description |
|---|---|
| -i | Edit files in place directly instead of printing to stdout. |
| -e [script] | Add the script to the commands to be executed. |
| -n | Suppress automatic printing of pattern space. |
Ejemplos prácticos del mundo real
echo "localhost:3000" | sed "s/3000/8080/g"Replaces port 3000 with 8080 in the stream.
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.
Pattern scanning and column text processing language.