如何计算符合条件的文件中的行？ [英] How to count lines in a file that meet criteria?
问题描述
以下是具有访问网站的
访问者的IP地址和访问时间的内容文件。
68.122.69.241 | 1089822686
68.122.69.241 | 1089823630
68.122.69.241 | 1089823638
68.122.69.241 | 1089828547
第二列是时间的输出（）
我需要一个脚本来计算此文件中时间戳为<的每一行br />
大于时间（） - 3600 * 24。这将在过去24小时内给出
的访客数量。我还需要过去30天内的访客人数，并且每年需要
。我应该使用阵列吗？建议入门？
提前致谢。
Below are the contents file that has the IP address and time of visit of
visitors to a website.
68.122.69.241|1089822686
68.122.69.241|1089823630
68.122.69.241|1089823638
68.122.69.241|1089828547
The second column is the output of time()
I need a script to count each line in this file where the time stamp is
greater than time() - 3600*24. This will give number of visitors in the
last 24 hours. I also need number of visitors in the last 30 days, and
year. Should I use an array? Suggestions for getting started?
Thanks in advance.
推荐答案
"杰科" <无**** @ hotmail.com>在消息中写道
新闻：TD ******************* @ newssvr29.news.prodigy。 com ...
"deko" <no****@hotmail.com> wrote in message
news:TD*******************@newssvr29.news.prodigy. com...
以下是内容文件，其中包含访问网站的访问者的IP地址和访问时间。
68.122.69.241 | 1089822686
68.122.69.241 | 1089823630
68.122.69.241 | 1089823638
68.122.69.241 | 1089828547
第二栏是时间的输出（）
我需要一个脚本来计算这个文件中的每一行，其中时间戳大于时间（） - 3600 * 24。这将在过去24小时内为访客提供数量。我还需要过去30天内的访客数量，以及
年份。我应该使用阵列吗？关于入门的建议？
提前致谢。
Below are the contents file that has the IP address and time of visit of
visitors to a website.
68.122.69.241|1089822686
68.122.69.241|1089823630
68.122.69.241|1089823638
68.122.69.241|1089828547
The second column is the output of time()
I need a script to count each line in this file where the time stamp is
greater than time() - 3600*24. This will give number of visitors in the
last 24 hours. I also need number of visitors in the last 30 days, and
year. Should I use an array? Suggestions for getting started?
Thanks in advance.
f = file（" filename.txt"）;
foreach（
f=file("filename.txt");
foreach(
f as
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