diff --git a/patcher/apply-filter.js b/patcher/apply-filter.js
index 28dbc4c..6d03854 100755
--- a/patcher/apply-filter.js
+++ b/patcher/apply-filter.js
@@ -24,12 +24,17 @@ function cp(src, dest) {
 
   var data = fs.readFileSync(src, 'utf-8');
   fs.writeFileSync(dest, data);
+  return true
 }
 
 
 // let manifest = JSON.parse(fs.readFileSync('templates/.fontcustom-manifest.json', 'utf-8'))
 let fcyml = fs.readFileSync('../fontcustom.yml', 'utf-8')
-let desired = fs.readFileSync('../wanted.ini', 'utf-8').split('\n').filter((x) => x.length && x[0] !== '#')
+let desired = fs.readFileSync('../wanted.ini', 'utf-8').split('\n')
+  .filter((x) => x.length && x[0] !== '#')
+  .map((x) => x.trim().replace(/\s*#.*/, ''))
+
+// TODO deal with aliases properly
 
 console.log(`Including ${desired.length} icons`)
 
@@ -72,7 +77,14 @@ rmInDir('../Fork-Awesome/src/icons/svg')
 
 
 console.log('Copying desired files to FA~svg/ ...')
+let any_bad = false
 for (let a of desired) {
-  cp(`./templates/svg/${a}.svg`, `../Fork-Awesome/src/icons/svg/${a}.svg`)
+  if (!cp(`./templates/svg/${a}.svg`, `../Fork-Awesome/src/icons/svg/${a}.svg`)) {
+    console.log(`- \x1b[33mFile \x1b[31m"${a}.svg"\x1b[33m not found, probably a typo or alias\x1b[m`)
+    any_bad = true
+  }
 }
 
+if (any_bad) {
+  console.log(`\x1b[31mSome files were not found. If you included their aliases (e.g. save -> floppy-o), this is correct.\x1b[m`)
+}