问编辑文本表格文件的有效方法，使每个单元格从相同的位置开始

EN

sed 's/^ /_ /' file | column -t | sed 's/^_ /  /'

hello   world        this     is
        an           example  file
is      there        a        good
way     to           clean    this
        your         help     is
highly  appreciated

#!/usr/bin/env python
import re
import sys

def clean_columns(filename, rename_file=False, column_pad=4):
    if rename_file:
        cleaned_filename = 'cleaned_' + filename
    else:
        cleaned_filename = filename

    cleaned_text = ''

    with open(filename, 'r') as dirty_file:
        text = dirty_file.readlines()

    string_list = list(
        {string.strip()
                for line in text
                for string in line.strip().split(' ')})

    max_string_length = len(max(string_list, key=len))
    column_width = max_string_length + column_pad
    formatting_string = '{: <' + str(column_width) + '}'

    for line in text:
        line = re.sub(r'\s+',' ', line).split(' ')
        formatting = formatting_string * len(line)
        line = formatting.format(*line)
        cleaned_text += line + '\n'

    with open(cleaned_filename, 'w') as cleaned:
        cleaned.write(cleaned_text)


clean_columns('sample.txt', rename_file=True, column_pad=8)

hello              world              this               is
                   an                 example            file
is                 there              a                  good
way                to                 clean              this
                   your               help               is
highly             appreciated