add sd card fixer

.bin/fix-sd.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+drive="$1"
+mountpoint="/media/sd-card-$(date +%s)"
+
+trap clean EXIT
+clean() {
+  umount "$mountpoint"
+  rm "$mountpoint"
+}
+
+filenames="$(fsck.exfat "$drive" 2>&1 | sed -nE "s/.* file '(.*?)' is not allocated.*/\1/p")"
+mkdir "$mountpoint"
+mount "$drive" "$mountpoint"
+
+echo "$filenames" | while read -r filename; do
+  find "$mountpoint" -type f -name "$filename" -exec rm {} \;
+done
+