Search synchronized files conflicted by Nextcloud and replace the original file if it is zero sized.

renmove_zero-conflicted_files.sh

#!/usr/bin/bash

# Search synchronized files conflicted by Nextcloud and
# replace the original file if it is zero sized.

START_DIR="$1"
GLOB_PATTERN=' (conflicted copy ????-??-?? *)'
REGEX_PATTERN=' \(conflicted copy [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]+\)'

OLDIFS=$IFS
IFS=$'\n'
for CONFLICTED_PATH in $(find "${START_DIR:-.}" -name "*${GLOB_PATTERN}*")
do
  ZERO_PATH=$(echo "$CONFLICTED_PATH" | sed --regexp-extended "s/$REGEX_PATTERN//")
  
  # Original file does not exist or is zero sized
  if [ ! -s "$ZERO_PATH" ]
  then
    echo -n "Renaming '$CONFLICTED_PATH' to '$ZERO_PATH' ..."
    mv "$CONFLICTED_PATH" "$ZERO_PATH"
    echo ' done.'
  fi
done
IFS=$OLDIFS