Cat中包含变量名称的文件

Question

var=`date`

pg_dump -U postgres database_name > ~/database_backups/database_name.backup.${var}

new_item_id=$(cat ~/database_backups/database_name.backup.${var}| grep "Item" | awk '{print($1);exit}’)

cat：/Users/karanj/database_backups/database_name.backup。：没有这样的文件或目录