Implement the Simple LS command

Today, the weather is good, to achieve their own LS command to play, now implement the-l parameter, and then the other parameters to complete the completion:)

1#include <stdio.h>2#include <sys/types.h>3#include <sys/stat.h>4#include <dirent.h>5#include <string.h>6#include <pwd.h>7#include <time.h>8 9 voidShowls (structStat *p,Char*d_name)Ten { One     CharFlag; A     if(S_isreg (P->st_mode)) flag='-'; -     Else if(S_isdir (P->st_mode)) flag='D'; -         Else if(S_ISCHR (P->st_mode)) flag='C'; the         Else if(S_isblk (P->st_mode)) flag='b'; -         Else if(S_isfifo (P->st_mode)) flag='P'; -         Else if(S_islnk (P->st_mode)) flag='L';  -     Elseflag='?'; +printf"%c\t", flag); -  +printf"%o\t",p->st_mode&0777); A  atprintf"%d\t",p->st_nlink); -  -     structpasswd *s; -S=getpwuid (p->st_uid); -printf"%s\t",s->pw_name); -  inprintf"%ld\t",p->st_size); -  to     Charbuf[ -]; +time_t t=p->St_mtime; -Strftime (BUF,sizeof(BUF),"%F%T", LocalTime (&t)); theprintf"%s\t", buf); *  $printf"%s\t", d_name);Panax Notoginsengprintf"\ n"); - } the  + intMainintargcChar*argv[]) A { the     Char*path; +     if(argc==1) -Path="."; $     if(argc==2) $path=argv[1];  -     if(argc==3) -path=argv[2]; the  -     if(argc>=2&AMP;&AMP;STRCMP (argv[1],"- L")==0)Wuyi     {     the         if(strcmp (argv[1],"- L")==0&&argc==2) -Path="."; Wu         if(Opendir (path) = =NULL) -         { Aboutprintf"File open failed! Please enter it correctly! "); $printf"%m"); -             return-1; -         } -DIR *p = opendir (path);//pointer to all the contents of the current path A chdir (path); +         structDirent *q;//structure partition content block theprintf"type \ t permissions \ t-link number \ t user name \ t byte number \ t last modified time \ t file name \ n"); -          while((Q=readdir (p))! =NULL) $         { the             structstat s; theStat (q->d_name,&s); the             if(q->d_name[0]=='.') the                 Continue;//do not show hidden files -Showls (&s,q->d_name); in         } theprintf"\ n"); the Closedir (p); About         return 0; the     } the     if(Opendir (path) = =NULL) the     { +printf"File open failed! Please enter it correctly! "); -printf"%m"); the         return-1;Bayi     } theDIR *p =opendir (path); the chdir (path); -     structDirent *Q; -      while((Q=readdir (p))! =NULL) the     {     the         if(q->d_name[0]=='.') the             Continue;//do not show hidden files theprintf"%s\t",q->d_name); -     } theprintf"\ n"); the Closedir (p); the     return 0;94}

Execution Result:

Implement the Simple LS command