输出指定文件file的尾部内容,默认输出最后十行内容(output the last part of files。Print the last 10 lines of each FILE to standard output. ) 格式:tail file1 file2 ... 指定多个文件时,会显示每个文件的文件名称,再显示该文件的尾部内容(With more than one FILE, precede each with a header giving ...
它可以显示文件的最后几行内容,默认显示文件的末尾10行。 二、tail命令的使用帮助 2.1 tail命令的help帮助信息 使用--help,查看tail的帮助信息。 代码语言:bash 复制 [root@openEuler-test ~]# tail --help Usage: tail [OPTION]... [FILE]... Print the last 10 lines of each FILE to standard output....
输出指定文件file的尾部内容,默认输出最后十行内容(output the last part of files。Print the last 10 lines of each FILE to standard output. ) 格式:tail file1 file2 ... 指定多个文件时,会显示每个文件的文件名称,再显示该文件的尾部内容(With more than one FILE, precede each with a header giving ...
复制 [root@yanggongzi~]# tail--helpUsage:tail[OPTION]...[FILE]...Print the last10linesofeachFILEto standard output.With more than oneFILE,precede eachwitha header giving the file name.With noFILE,or whenFILEis-,read standard input.将每个文件的最后10行打印到标准输出。 如果有多个文件,在每...
last_10_lines=lines[-10:] 1. 上述代码中,[-10:]表示从列表末尾开始取出10个元素。 步骤5:打印最后10行 最后一步是打印最后10行的内容。 forlineinlast_10_lines:print(line) 1. 2. 上述代码中,我们使用循环遍历打印每一行的内容。 完整代码
output the last NUM lines, instead of the last10;oruse-n+NUM to output starting with line NUM --max-unchanged-stats=N with--follow=name, reopen aFILEwhich hasnot changed size after N (default5) iterations to seeifit has been unlinkedorrenamed (this ...
#[clap(required = false, short = 'n', long = "lines", default_value = "10", name = "[-K]", about = "output the last K lines, instead of the last 10; or use -n +K to output starting with the Kth")] // 这里类型是与检查函数返回一致的(也就是输入都是 &str 但是返回的可以...
Print the last 10 lines of each FILE to standard output. With morethan one FILE, precede each with a header giving the file name. With no FILE, or ...
last_lines = lines_list[lines:] # 打印结果 print(''.join(last_lines)) 3、使用示例: if __name__ == "__main__": file_path = "example.txt" tail(file_path, 5) 这个tail函数可以查看指定文件的最后几行内容,注意,这里假设文件编码为UTF8,如果文件编码不同,需要修改decode函数的参数,这个实现...
Print the last 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no FILE, or when FILE is -,readstandard input. Mandatory arguments to long options are mandatoryforshort options too. ...