replace_animation.sh

#!/bin/bash

set -e
# Extracts all guid from an animation
extract_id_list() {
  grep -o "guid: [0-9a-z]\+" $1 | grep -o "[0-9a-z][0-9a-z][0-9a-z][0-9a-z][0-9a-z]\+" | xargs -n1 | sort -u | xargs
}

# Gives a meta file from it's guid
find_by_id() {
  grep -HLIlr "guid: $1" . --include *.meta
}

# Finds the guid given a meta file
find_by_name() {
  grep -o "guid: [0-9a-z]\+" $1 | grep -o "[0-9a-z][0-9a-z][0-9a-z][0-9a-z][0-9a-z]\+"
}

if [ "$#" -ne 3 ]; then
    echo "Illegal number of parameters"
    echo "Usage: replace_animation.sh \"path/to/animation.anim\" \"OldGraphicsName\" \"NewGraphicsName\""
    echo "It will replace all graphics that contains \"OldGraphicsName\" string with \"NewGraphicsName\""
fi

animation=$1
old_name=$2
new_name=$3

echo $animation
echo $old_name
echo $new_name

file_list=($(extract_id_list $animation))

for i in "${file_list[@]}"
do
  echo "Starting with file id: $i"
  current_file_name=$(find_by_id $i)
  echo $current_file_name
  new_file_name=$(echo $(basename $current_file_name) | sed "s/$old_name/$new_name/g")
  echo $new_file_name

  new_file_path=$(find . -name $new_file_name)
  if [[ $new_file_path ]]; then
    echo "OK"
  else
    echo "File not found. Terminating"
    exit 1
  fi
  echo $new_file_path

  new_id=$(find_by_name $new_file_path)

  sed -i'' "s/$i/$new_id/g" $animation

  echo
done