upload file to Google Cloud Storage, set it public and set cache

uploadFile.sh

#!/bin/bash

# Check args
if [ $# \< 2 ]; then
    echo "Usage: $(basename $0 $1) <file> <cache-millisec>";
    exit 1;
fi

#file name
fileName="";
if [ "$1" != "" ]; then
    fileName="$1";
fi

#file name
cache="";
if [ "$2" != "" ]; then
    cache="$2";
fi

bucketName = 'mybucket'

gsutil cp $fileName gs://$bucketName/$fileName
gsutil setmeta -h "Cache-Control:public, max-age=$cache" gs://$bucketName/$fileName
gsutil acl set public-read gs://$bucketName/$fileName