From 5d095fb843cd453d7e63775c8da7c6d261d33c62 Mon Sep 17 00:00:00 2001
From: Oleg Broytman <phd@phdru.name>
Date: Mon, 6 Nov 2023 03:37:41 +0300
Subject: [PATCH] bin/cleanup-filenames.sh: Remove accents

Convert latin1 characters to ascii.
---
 bin/cleanup-filenames.sh | 15 ++++++++-------
 bin/unicode_norm_nfd.py  | 23 +++++++++++++++++++++++
 2 files changed, 31 insertions(+), 7 deletions(-)
 create mode 100755 bin/unicode_norm_nfd.py

diff --git a/bin/cleanup-filenames.sh b/bin/cleanup-filenames.sh
index c977312..a517e96 100755
--- a/bin/cleanup-filenames.sh
+++ b/bin/cleanup-filenames.sh
@@ -7,7 +7,7 @@ fi
 
 for fname in "$@"; do
 
-   newname=$(echo "$fname" | sed -e "
+    newname=$(echo "$fname" | sed -e "
 s/[‘“’”‘“’”″′«»\`\"]/'/g
 s/ *: */ - /g
 s/[–—]/-/g
@@ -17,10 +17,11 @@ s/\?//g
 s/№/N/g
 ")
 
-   if [ "$fname" \!= "$newname" ]; then
-      echo "$fname"
-      echo "$newname"
-      mv -- "$fname" "$newname"
-      echo
-   fi
+    newname="$(unicode_norm_nfd.py "$newname")"
+    if [ "$fname" \!= "$newname" ]; then
+        echo "$fname"
+        echo "$newname"
+        mv -- "$fname" "$newname"
+        echo
+    fi
 done
diff --git a/bin/unicode_norm_nfd.py b/bin/unicode_norm_nfd.py
new file mode 100755
index 0000000..2cca0d9
--- /dev/null
+++ b/bin/unicode_norm_nfd.py
@@ -0,0 +1,23 @@
+#! /usr/bin/env python3
+# https://stackoverflow.com/a/518232/7976758
+
+import sys
+import unicodedata
+
+
+def strip_accents(s):
+    return ''.join(c for c in unicodedata.normalize('NFD', s)
+                   if unicodedata.category(c) != 'Mn')
+
+
+def latin1_to_ascii(uinput):
+    if isinstance(uinput, bytes):
+        uinput = uinput.decode(sys.getfilesystemencoding())
+    return strip_accents(uinput)
+
+
+if __name__ == '__main__':
+    if len(sys.argv) == 1:
+        sys.exit('Usage: %s name\n' % sys.argv[0])
+    for name in sys.argv[1:]:
+        print(latin1_to_ascii(name))
-- 
2.39.2