iter_count()

Statistics.iter_count

(

str

file_name

)

@brief calculate file rows.
@param[in] file_name File's full name.
@return Returns file rows.

Definition at line 64 of file Statistics.py.

def iter_count(file_name: str):
 
    '''
    @brief calculate file rows.
    @param[in] file_name File's full name.
    @return Returns file rows.
    '''
 
    buffer = 1024 * 1024
    with open(file_name, encoding='gb18030', errors='ignore') as f:
        buf_gen = takewhile(lambda x: x, (f.read(buffer) for _ in repeat(None)))
        n = sum(buf.count('\n') for buf in buf_gen) + 1
        return n
 

Referenced by iter_files().