The command wc –l some_file will print out the number of:
举一反三
- 以下选项中，_______的功能是在文件file中查找显示所有以"*"开头的行。 A: find \* file B: wc -l * <; file C: grep -n * file D: grep '^\*' test.txt
- Reference notation may include thedate of the letter, a file number, the contract number, L/C number or the initials of thesigner of the letter and take the form as “Our ref.’’ and “Your ref.’’ .
- 执行下列命令后，当前打开的数据库文件名是 Number="3" File="File"+Number USE &File A: File3 B: &File C: FileNumber D: File
- 以下程序的输出结果是___________。 number = 10 if number % 2 == 0: print(number, 'is even') elif number % 5 == 0: print(number, 'is multiple of 2')
- 下列程序段执行后,输出结果是: number = 20 try: if number < 0: number = -number print(number,end=) except: print("有异常发生",end=) else: print("平安无事",end=) finally: print("我很好我可以的",end=)