#! /usr/bin/env python3
# Find symbolic links and show where they point to.
# Arguments are directories to search; default is current directory.
# No recursion.
# (This is a totally different program from "findsymlinks.py"!)
import sys, os
def lll(dirname):
for name in os.listdir(dirname): #包含了'.' 和 '..'目录
if name not in (os.curdir, os.pardir): #需要格外注意
full = os.path.join(dirname, name)
if os.path.islink(full):
print(name, '->', os.readlink(full)) #读取软链接的目标文件路径
def main():
args = sys.argv[1:]
if not args: args = [os.curdir] #os.curdir, 目前来说是'.',可调用os.path
.abspath('.')转换为绝对路径
first = 1
for arg in args: #为了标识输出信息是哪一个目录的
if len(args) > 1:
if not first: print()
first = 0
print(arg + ':')
lll(arg) #这里是原文的一个小bug吧.
if __name__ == '__main__':
main()
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