[英]Output features of a file based on its longest line
我想編寫一個程序file_stats.py,該程序在命令行上運行時接受文本文件名作為參數,並輸出字符數,單詞數,行數和文件中最長行的長度(以字符為單位) 。 如果我希望輸出看起來像這樣,是否有人知道執行這樣的正確語法:
Characters: 553
Words: 81
Lines: 21
Longest line: 38
假設您的文件路徑是一個字符串,則應該可以執行以下操作
file = "pathtofile.txt"
with open(file, "r") as f:
text = f.read()
lines = text.split("\n")
longest_line = 0
for l in lines:
if len(l) > longest_line:
longest_line = len(l)
print("Longest line: {}".format(longest_line))
整個程序
n_chars = 0
n_words = 0
n_lines = 0
longest_line = 0
with open('my_text_file') as f:
lines = f.readlines()
# Find the number of Lines
n_lines = len(lines)
# Find the Longest line
longest_line = max([len(line) for line in lines])
# Find the number of Words
words = []
line_words = [line.split() for line in lines]
for line in line_words:
for word in line:
words.append(word)
n_words = len(words)
# Find the number of Characters
chars = []
line_chars = [list(word) for word in words]
for line in line_chars:
for char in line:
chars.append(char)
n_chars = len(chars)
print("Characters: ", n_chars)
print("Words: ", n_words)
print("Lines: ", n_lines)
print("Longest: ", longest_line)
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