diff --git a/Cargo.lock b/Cargo.lock
index 2aca437..67425ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1146,6 +1146,17 @@ name = "indexmap"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "interdiff-rs"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "patch-rs 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "iovec"
 version = "0.1.2"
@@ -1711,11 +1722,13 @@ dependencies = [
 
 [[package]]
 name = "patch-rs"
-version = "0.5.5"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2842,7 +2855,7 @@ dependencies = [
 
 [[package]]
 name = "torchbear"
-version = "0.11.9"
+version = "0.11.10"
 dependencies = [
  "actix 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "actix-lua 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2865,11 +2878,12 @@ dependencies = [
  "globwalk 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "human-panic 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "interdiff-rs 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libm 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime_guess 1.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "patch-rs 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "patch-rs 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlua 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlua_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3504,6 +3518,7 @@ dependencies = [
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum ignore 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ad03ca67dc12474ecd91fdb94d758cbd20cb4e7a78ebe831df26a9b7511e1162"
 "checksum indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7e81a7c05f79578dbc15793d8b619db9ba32b4577003ef3af1a91c416798c58d"
+"checksum interdiff-rs 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "791bdfe28740c768a1f56b77fcf0a7489ba38e60ba34e7f9dd606ae89271893d"
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
 "checksum ipconfig 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "08f7eadeaf4b52700de180d147c4805f199854600b36faa963d91114827b2ffc"
 "checksum itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5b8467d9c1cebe26feb08c640139247fac215782d35371ade9a2136ed6085358"
@@ -3568,7 +3583,7 @@ dependencies = [
 "checksum parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
 "checksum parking_lot_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad7f7e6ebdc79edff6fdcb87a55b620174f7a989e3eb31b65231f4af57f00b8c"
 "checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
-"checksum patch-rs 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c3deb7dd96f6d65adf50fef5f6f3a1ceb61ea9fa97fb33ccbf14aa256220de2c"
+"checksum patch-rs 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "acb08234420136e64b501853c784206c1e2f29c8f3240c6fc342c199642dcff1"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum pest 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0fce5d8b5cc33983fc74f78ad552b5522ab41442c4ca91606e4236eb4b5ceefc"
 "checksum pest 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "54f0c72a98d8ab3c99560bfd16df8059cc10e1f9a8e83e6e3b97718dd766e9c3"
diff --git a/Cargo.toml b/Cargo.toml
index 786a1a1..c2f5471 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,8 +51,9 @@ comrak = "0.4"
 serde_json = "1.0"
 serde_derive = "1.0"
 diff-rs = "0.2"
-patch-rs = "0.5"
+patch-rs = "0.6"
 splitdiff-rs = "0.4"
+interdiff-rs = "0.2"
 select = "0.4"
 scl = { git = "https://github.com/foundpatterns/scl" }
 # string
diff --git a/src/bindings/text/diff.rs b/src/bindings/text/diff.rs
index b0b1668..bc89496 100644
--- a/src/bindings/text/diff.rs
+++ b/src/bindings/text/diff.rs
@@ -6,6 +6,11 @@ use std::{
 use chrono::{DateTime, Local};
 use diff_rs::diff;
 
+#[cfg(target_os = "windows")]
+const NULL_SOURCE: &str = "nul";
+#[cfg(target_os = "linux")]
+const NULL_SOURCE: &str = "/dev/null";
+
 fn time_format(d: &DateTime<Local>) -> String {
     d.format("%Y-%m-%d %H:%M:%S.%f %z").to_string()
 }
@@ -53,8 +58,23 @@ pub fn init(lua: &Lua) -> crate::Result<()> {
             format!("+++ {}\t{}", &right, time_format(&mtime(&right).map_err(LuaError::external)?))
         ];
 
-        let left = read_file(&left).map_err(LuaError::external)?;
-        let right = read_file(&right).map_err(LuaError::external)?;
+        if left == NULL_SOURCE && right == NULL_SOURCE {
+            return Err(rlua::Error::external(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Both files cannot be null"
+            )));
+        }
+
+        let left = if left != NULL_SOURCE {
+            read_file(&left).map_err(LuaError::external)?
+        } else {
+            Vec::new()
+        };
+        let right = if right != NULL_SOURCE {
+            read_file(&right).map_err(LuaError::external)?
+        } else {
+            Vec::new()
+        };
 
         let diff = diff(&left, &right, 3).map_err(LuaError::external)?;
 
@@ -69,4 +89,3 @@ pub fn init(lua: &Lua) -> crate::Result<()> {
 
     Ok(())
 }
-
diff --git a/src/bindings/text/interdiff.rs b/src/bindings/text/interdiff.rs
new file mode 100644
index 0000000..7f3c78e
--- /dev/null
+++ b/src/bindings/text/interdiff.rs
@@ -0,0 +1,45 @@
+use rlua::Lua;
+
+use std::{io, fs};
+use patch_rs::{Patch, PatchProcessor};
+
+#[cfg(target_os = "windows")]
+const NULL_SOURCE: &str = "nul";
+#[cfg(target_os = "linux")]
+const NULL_SOURCE: &str = "/dev/null";
+
+pub fn init(lua: &Lua) -> crate::Result<()> {
+    let module = lua.create_table()?;
+
+    module.set(
+        "interdiff",
+        lua.create_function(|_, (patch_1, patch_2): (String, String)| {
+            if patch_1 == NULL_SOURCE && patch_2 == NULL_SOURCE {
+                return Err(rlua::Error::external(io::Error::new(
+                    io::ErrorKind::InvalidInput,
+                    "Both patches cannot be null"
+                )));
+            }
+
+            let patch_1 = if patch_1 != NULL_SOURCE {
+                let patch_1 = fs::read_to_string(patch_1).map_err(rlua::Error::external)?;
+                PatchProcessor::convert(&patch_1).map_err(rlua::Error::external)?
+            } else {
+                Patch::default()
+            };
+
+            let patch_2 = if patch_2 != NULL_SOURCE {
+                let patch_2 = fs::read_to_string(patch_2).map_err(rlua::Error::external)?;
+                PatchProcessor::convert(&patch_2).map_err(rlua::Error::external)?
+            } else {
+                Patch::default()
+            };
+
+            Ok(interdiff_rs::interdiff(patch_1, patch_2, 3).to_string())
+        })?,
+    )?;
+
+    lua.globals().set("interdiff", module)?;
+
+    Ok(())
+}
diff --git a/src/bindings/text/mod.rs b/src/bindings/text/mod.rs
index 54605df..45ca164 100644
--- a/src/bindings/text/mod.rs
+++ b/src/bindings/text/mod.rs
@@ -4,6 +4,7 @@ pub mod patch;
 pub mod scl;
 pub mod select;
 pub mod splitdiff;
+pub mod interdiff;
 pub mod yaml;
 
 use rlua::prelude::*;
@@ -16,6 +17,7 @@ pub fn init(lua: &Lua) -> crate::Result<()> {
     diff::init(&lua)?;
     patch::init(&lua)?;
     splitdiff::init(&lua)?;
+    interdiff::init(&lua)?;
 
     Ok(())
 }