added other programs

shell.nix

@@ -8,12 +8,15 @@ pkgs.mkShell {
 		pkgs.fortune
 		pkgs.nyancat
 		pkgs.coreutils
+		pkgs.sl
+		pkgs.asciiquarium
+		pkgs.pv
 	];
 
 	shellHook = ''
 		LAST=""
-		STIME=60
-		programs="cmatrix cbonsai nyancat fortuneCow otherCow"
+		STIME=120
+		programs="cmatrix cbonsai nyancat fortuneCow otherCow train fish"
 	
 		trap 'stty sane; tput cnorm; clear' EXIT
 
@@ -48,6 +51,15 @@ pkgs.mkShell {
 					fortune | cowsay --random
 					sleep "$STIME"
 					;;
+				train)
+					sl
+					;;
+				fish)
+					asciiquarium & pid=$!
+					( sleep "$STIME" && kill $pid ) & watcher=$!
+					wait $pid 2>/dev/null
+					kill $watcher 2>/dev/null || true
+					;;
 				esac
 				sleep 1
 			done