---
name: "grc"
section: "1"
platform: "linux"
package: "grc"
version: "1.13-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/grc"
---

# grc(1)

frontend for generic colouriser grcat(1)

## NAME

grc - frontend for generic colouriser [**grcat**(1)](/grcat/1.md)

## SYNOPSIS

**grc** *\[options\] command \[args\]*

## DESCRIPTION

**grc** will execute command *command* with optional parameters  *\[args\]* piping its stdout or stderr into  **grcat**, with appropriate configuration file.

Configuration file for  **grc** is determined by /etc/grc.conf file.

Format of /etc/grc.conf: each entry consists of 2 lines, between entries there can be any number of empty  lines or lines beginning with # (comments)

First line is regular expression, second line the name of configuration  file for **grcat**.

Configuration file after the first regular expression matching  *command \[args\]* will be passed to  **grcat** as its configuration file

## OPTIONS

- **--help**

  Show summary of options.

- **--version**

  Display version.

- **-e --stderr**

  Redirect error output. Unless  **-s** is selected as well, this cancels redirection of standard output via  **grcat**

- **-s --stdout**

  Redirect standard output. Used to redirect standard output  together with **--stderr** option.

- **--colour=x**

  x is one of *on* *off* *auto*

  **--colour=on** will colourise (default)

  **--colour=off** will just execute  *command* without colourising.

  **--colour=auto** will test if standard output is a tty, and colourise only when it is.

## SEE ALSO

[**grcat**(1)](/grcat/1.md)

## AUTHOR

Written by Radovan Garabík \<garabik @ kassiopeia.juls.savba.sk\>