I have a file which is named “-l”, and I use the wc to count the file, undesirably wc requested the standard input rather than my file "-l" ,although I use it through the command

it didn't work as my will, however, linux itself do not limit this kind of name style, but wc does, so unreasonable, such as my above command actually doesn't cause a ambiguity, so can you improve it ? try to check whether those files exist by the args from arg[2] atleast,not ignore those arguments.

 

expect your reply.:)

 

 

 

Cheers,

JameDam