1""" 

2@file 

3@brief Wrapper function @see fn file_head into a command line. 

4 

5.. versionadded:: 1.5 

6""" 

7from __future__ import print_function 

8import os 

9import sys 

10from pyquickhelper.cli.cli_helper import call_cli_function 

11 

12 

13def file_head_cli(fLOG=print, args=None): 

14 """ 

15 Takes the first lines from a file using function @see fn file_head. 

16 

17 :param fLOG: logging function 

18 :param args: to overwrite ``sys.args`` 

19 

20 .. cmdref:: 

21 :title: extract the first lines of a file 

22 :cmd: pyensae.cli.head_cli:file_head_cli 

23 

24 Extracts the first line of a file. 

25 """ 

26 try: 

27 from pyensae.filehelper.content_helper import file_head 

28 except ImportError: 

29 folder = os.path.normpath(os.path.join( 

30 os.path.abspath(os.path.dirname(__file__)), "..", "..")) 

31 sys.path.append(folder) 

32 from pyensae.filehelper.content_helper import file_head 

33 

34 call_cli_function(file_head, args=args, fLOG=fLOG, 

35 skip_parameters=('fLOG',)) 

36 

37 

38if __name__ == "__main__": 

39 file_head_cli()