
nix3-edit:tldr:5bc48
nix3-edit: Dump the source of a package to stdout.
$ EDITOR=cat nix edit ${nixpkgs#pkg}
try on your machine
This command sets the EDITOR
environment variable to cat
and then runs the nix edit
command with a modified version of the nixpkgs
variable.
Here is a breakdown of the command:
EDITOR=cat
sets theEDITOR
environment variable to the valuecat
. TheEDITOR
variable is often used by command-line tools to determine the user's preferred text editor for editing files.${nixpkgs#pkg}
modifies the value of thenixpkgs
variable by removing the substringpkg
from the beginning of the string. This is a form of parameter expansion in shell scripting, where#
denotes the removal of the shortest match from the beginning of the string.nix edit
is a command used in the Nix package manager to open a package or derivation in an editor. By default, it uses the value of theEDITOR
environment variable to determine the editor to use.- The modified
nixpkgs
variable is passed as an argument to thenix edit
command, which opens the specified package or derivation in the configured editor.
So, this command effectively opens a package or derivation in an editor specified by the EDITOR
environment variable, with the modified nixpkgs
value.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.