diff --git a/bash/nixpkgs/flake.lock b/bash/nixpkgs/flake.lock
new file mode 100644
index 0000000..45fde49
--- /dev/null
+++ b/bash/nixpkgs/flake.lock
@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1722073938,
+        "narHash": "sha256-OpX0StkL8vpXyWOGUD6G+MA26wAXK6SpT94kLJXo6B4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e36e9f57337d0ff0cf77aceb58af4c805472bfae",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/bash/nixpkgs/flake.nix b/bash/nixpkgs/flake.nix
new file mode 100644
index 0000000..9505679
--- /dev/null
+++ b/bash/nixpkgs/flake.nix
@@ -0,0 +1,17 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
+  };
+
+  outputs = { self, nixpkgs, systems, ... }:
+    let eachSystem = nixpkgs.lib.genAttrs (import systems);
+    in {
+      packages = eachSystem (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          soe = pkgs.callPackage ./package.nix {};
+          default = self.packages.${system}.soe;
+        });
+    };
+}
diff --git a/bash/nixpkgs/package.nix b/bash/nixpkgs/package.nix
new file mode 100644
index 0000000..20e14bc
--- /dev/null
+++ b/bash/nixpkgs/package.nix
@@ -0,0 +1,17 @@
+{ stdenv
+, bash
+}:
+
+stdenv.mkDerivation {
+  pname = "soe";
+  version = "1.0";
+
+  src = ./.;
+
+  buildInputs = [ bash ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp soe $out/bin
+  '';
+}
diff --git a/bash/nixpkgs/soe b/bash/nixpkgs/soe
new file mode 100755
index 0000000..e861d8f
--- /dev/null
+++ b/bash/nixpkgs/soe
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+echo -n "Primes up to: "
+read num
+echo
+
+nums=()
+for i in `seq 2 $num`; do
+    nums+=($i)
+done
+
+unset nums[-1]
+
+while [ -n "$nums" ]; do
+    prime=${nums[0]}
+    echo -n "$prime "
+    nums_=()
+    for elem in "${nums[@]}"; do
+        [ $(( $elem % $prime )) -eq 0 ] || nums_+=($elem)
+    done
+    nums=(${nums_[@]})
+done
+
+echo
diff --git a/fish/nixpkgs/flake.lock b/fish/nixpkgs/flake.lock
new file mode 100644
index 0000000..c44d5a5
--- /dev/null
+++ b/fish/nixpkgs/flake.lock
@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1722141560,
+        "narHash": "sha256-Ul3rIdesWaiW56PS/Ak3UlJdkwBrD4UcagCmXZR9Z7Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "038fb464fcfa79b4f08131b07f2d8c9a6bcc4160",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/fish/nixpkgs/flake.nix b/fish/nixpkgs/flake.nix
new file mode 100644
index 0000000..9505679
--- /dev/null
+++ b/fish/nixpkgs/flake.nix
@@ -0,0 +1,17 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
+  };
+
+  outputs = { self, nixpkgs, systems, ... }:
+    let eachSystem = nixpkgs.lib.genAttrs (import systems);
+    in {
+      packages = eachSystem (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          soe = pkgs.callPackage ./package.nix {};
+          default = self.packages.${system}.soe;
+        });
+    };
+}
diff --git a/fish/nixpkgs/package.nix b/fish/nixpkgs/package.nix
new file mode 100644
index 0000000..aaeb6d2
--- /dev/null
+++ b/fish/nixpkgs/package.nix
@@ -0,0 +1,17 @@
+{ stdenv
+, fish
+}:
+
+stdenv.mkDerivation {
+  pname = "soe";
+  version = "1.0";
+
+  src = ./.;
+
+  buildInputs = [ fish ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp soe $out/bin
+  '';
+}
diff --git a/fish/nixpkgs/soe b/fish/nixpkgs/soe
new file mode 100755
index 0000000..5cc2b5a
--- /dev/null
+++ b/fish/nixpkgs/soe
@@ -0,0 +1,19 @@
+#!/usr/bin/env fish
+
+read -P "Primes up to: " num
+echo
+
+set nums (seq 2 $num)[..-2]
+
+while test -n "$nums"
+    set prime $nums[1]
+    echo -n "$prime "
+
+    set -e nums_
+    for elem in $nums
+        test (math $elem % $prime) -eq 0 || set -a nums_ $elem
+    end
+    set nums $nums_
+end
+
+echo
diff --git a/flake.lock b/flake.lock
index 785f948..5999137 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,41 +1,6 @@
 {
   "nodes": {
-    "flake-utils": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1675132057,
-        "narHash": "sha256-lq7VYB8J2wn35CeByP9760tR6mwQtztPze+J8O4fHdU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "5b374db81f4a26de2cef6dae71b4478b362866a4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
-      }
-    }
+    "root": {}
   },
   "root": "root",
   "version": 7
diff --git a/flake.nix b/flake.nix
index cf65e5a..6164411 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,20 +1,43 @@
 {
-  description = "The Sieve of Eratosthenes implemented in many different languages";
+  description = "Templates of the Sieve of Eratosthenes implemented in various languages";
 
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs";
-    flake-utils.url = "github:numtide/flake-utils";
-  };
+  outputs = { self, ... }:
+    let
+      # Get all project directories
+      subdirs = dir:
+        let sub = builtins.readDir dir;
+        in builtins.filter
+          (d: sub.${d} == "directory")
+          (builtins.attrNames sub);
 
-  outputs = { self, nixpkgs, flake-utils, ... }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
+      vowelStart = str: builtins.elem (builtins.substring 0 1 str) [ "a" "e" "i" "o" "u" ];
 
-        currentDir = builtins.readDir ./.;
-        dirs = pkgs.lib.filterAttrs (_: v: v == "directory") currentDir;
-      in {
-        packages = builtins.mapAttrs (dir: _: pkgs.callPackage ./${dir} {}) dirs;
-        devShells = builtins.mapAttrs (dir: _: pkgs.callPackage ./${dir}/shell.nix {}) dirs;
-      });
+      concatMapAttrs = func: attr:
+        builtins.foldl' (x: y: x // y) {}
+          (builtins.map func attr);
+
+      templateDirs =
+        builtins.concatMap (lang:
+          builtins.map
+            (pkg: { inherit lang pkg; })
+            (subdirs ./${lang}))
+          (subdirs ./.);
+    in {
+      templates = concatMapAttrs ({ lang, pkg }: {
+        "${lang}-${pkg}" = {
+          description = "Packaging a${if vowelStart lang
+                                      then "n"
+                                      else ""} ${lang} executable using ${pkg}";
+          path = builtins.filterSource
+            (path: type: builtins.baseNameOf path != "flake.lock")
+            ./${lang}/${pkg};
+        };
+      }) templateDirs // concatMapAttrs (lang: {
+        "${lang}" = self.templates."${lang}-nixpkgs" // {
+          description = "Packaging a${if vowelStart lang
+                                      then "n"
+                                      else ""} ${lang} executable";
+        };
+      }) (subdirs ./.);
+    };
 }
diff --git a/python/.envrc b/python/nixpkgs/.envrc
similarity index 100%
rename from python/.envrc
rename to python/nixpkgs/.envrc
diff --git a/python/bin/soe-python b/python/nixpkgs/bin/soe
old mode 100644
new mode 100755
similarity index 100%
rename from python/bin/soe-python
rename to python/nixpkgs/bin/soe
diff --git a/python/nixpkgs/flake.lock b/python/nixpkgs/flake.lock
new file mode 100644
index 0000000..c44d5a5
--- /dev/null
+++ b/python/nixpkgs/flake.lock
@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1722141560,
+        "narHash": "sha256-Ul3rIdesWaiW56PS/Ak3UlJdkwBrD4UcagCmXZR9Z7Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "038fb464fcfa79b4f08131b07f2d8c9a6bcc4160",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/python/nixpkgs/flake.nix b/python/nixpkgs/flake.nix
new file mode 100644
index 0000000..9505679
--- /dev/null
+++ b/python/nixpkgs/flake.nix
@@ -0,0 +1,17 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
+  };
+
+  outputs = { self, nixpkgs, systems, ... }:
+    let eachSystem = nixpkgs.lib.genAttrs (import systems);
+    in {
+      packages = eachSystem (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          soe = pkgs.callPackage ./package.nix {};
+          default = self.packages.${system}.soe;
+        });
+    };
+}
diff --git a/python/default.nix b/python/nixpkgs/package.nix
similarity index 68%
rename from python/default.nix
rename to python/nixpkgs/package.nix
index 76a15d5..961c388 100644
--- a/python/default.nix
+++ b/python/nixpkgs/package.nix
@@ -1,7 +1,7 @@
-{ python3, ... }:
+{ python3 }:
 
 python3.pkgs.buildPythonApplication {
-  pname = "soe-python";
+  pname = "soe";
   version = "1.0";
   src = ./.;
 
diff --git a/python/setup.py b/python/nixpkgs/setup.py
similarity index 71%
rename from python/setup.py
rename to python/nixpkgs/setup.py
index 0e31be3..158092b 100644
--- a/python/setup.py
+++ b/python/nixpkgs/setup.py
@@ -3,5 +3,5 @@ from setuptools import setup
 setup(
     name="soe",
     version="1.0.0",
-    scripts=["bin/soe-python"]
+    scripts=["bin/soe"]
 )
diff --git a/python/shell.nix b/python/nixpkgs/shell.nix
similarity index 53%
rename from python/shell.nix
rename to python/nixpkgs/shell.nix
index 5feafb5..332eaff 100644
--- a/python/shell.nix
+++ b/python/nixpkgs/shell.nix
@@ -1,2 +1,3 @@
-{ python3, ... }:
+{ python3 }:
+
 python3.buildEnv.env
diff --git a/python/soe/__init__.py b/python/nixpkgs/soe/__init__.py
similarity index 100%
rename from python/soe/__init__.py
rename to python/nixpkgs/soe/__init__.py
diff --git a/python/soe/main.py b/python/nixpkgs/soe/main.py
similarity index 59%
rename from python/soe/main.py
rename to python/nixpkgs/soe/main.py
index 23f1cf2..f6a1425 100644
--- a/python/soe/main.py
+++ b/python/nixpkgs/soe/main.py
@@ -1,5 +1,4 @@
 
-
 def sieve_of_eratosthenes(n):
     nums = list(range(2, n))
     while nums:
@@ -8,18 +7,11 @@ def sieve_of_eratosthenes(n):
         yield prime
 
 def main():
-    num = 0
-    another = True
-    while another:
-        try:
-            num = int(input())
-            another = False
-        except ValueError:
-            pass
-
+    num = int(input("Primes up to: "))
     print()
     for i in sieve_of_eratosthenes(num):
-        print(i)
+        print(i, end=" ")
+    print()
 
 
 if __name__ == "__main__":