Generate Fat binary for iOS System symbols

iOS Symbols Fat.sh

#!/bin/sh
BASEDIR=`echo "${PWD}"`
DIRECTORY="${BASEDIR}/SystemSymbolsFat"
SystemSymbols="${BASEDIR}/SystemSymbols"
SystemSymbols_arm64e="${BASEDIR}/SystemSymbols-arm64e"

#----Creating a clean directory----
if [ -d "${DIRECTORY}" ]; then  
    rm -rf "${DIRECTORY}"
fi
mkdir "${DIRECTORY}"

echo "--------Files missing in arm64--------"
for file1 in "${SystemSymbols_arm64e}"/*; do
	file_name1="${file1##*/}"
	file_missing=true
    for file2 in "${SystemSymbols}"/*; do
    	file_name2="${file2##*/}"
        if [[ $file_name1 == $file_name2 ]]; then
            file_missing=false
        fi
    done

    if [[ "$file_missing" == true ]]; then
    	echo "${file_name1}" 
    	cp "${file1}" "${DIRECTORY}/"
    fi
done

echo "--------Files missing in arm64e--------"
for file1 in "${SystemSymbols}"/*; do
	file_name1="${file1##*/}"
	file_missing=true
    for file2 in "${SystemSymbols_arm64e}"/*; do
    	file_name2="${file2##*/}"
        if [[ $file_name1 == $file_name2 ]]; then
            file_missing=false
        fi
    done

    if [[ "$file_missing" == true ]]; then
    	echo "${file_name1}" 
    	cp "${file1}" "${DIRECTORY}/"
    fi
done


#----Copying libraries----
echo "--------Fat libraries name--------"
for lib_path in "${SystemSymbols}"/*; do 
	file_name="${lib_path##*/}"
	lip_path_e="$SystemSymbols_arm64e/$file_name"
	if [ -f "${lip_path_e}" ]; then  
        echo "${file_name}"
		lipo "${lib_path}" "${lip_path_e}" -create -output "${DIRECTORY}"/"${file_name}"
	fi
done