[perso/Immae/Config/Nixies.git] / shells / sub_bash.nix

# run with
# nix-shell shell.nix --run 'touch in ; tail -f in | bash & echo $! > pid'
# and then send commands with
# echo 'compute_me "1 + 3"' >> in
{ pkgs ? import <nixpkgs> {} }:
pkgs.mkShell {
  buildInputs = [ pkgs.bc ];
  shellHook = ''
    compute_me() {
      echo "$1" | bc;
    }
    export -f compute_me

    echo "I’m ready"
    '';
}
Commit	Line	Data
8eb07d94 IB	1	# run with
	2	# nix-shell shell.nix --run 'touch in ; tail -f in \| bash & echo $! > pid'
	3	# and then send commands with
	4	# echo 'compute_me "1 + 3"' >> in
	5	{ pkgs ? import <nixpkgs> {} }:
	6	pkgs.mkShell {
	7	buildInputs = [ pkgs.bc ];
	8	shellHook = ''
	9	compute_me() {
	10	echo "$1" \| bc;
	11	}
	12	export -f compute_me
	13
	14	echo "I’m ready"
	15	'';
	16	}