C:\>pear install Ethna-0.2.0.tar.gz parsePackageName(): "0.2.0.tar.gz" is neither a valid version nor a valid state in "Ethna-0.2.0.tar.gz" invalid package name/package file "Ethna-0.2.0.tar.gz" Cannot initialize 'Ethna-0.2.0.tar.gz', invalid or missing package file Package "Ethna-0.2.0.tar.gz" is not valid install failed