UNIX for Dummies Questions & Answers

/* this displays files times to the second: ctime & mtime */
/* usage filetime <file name> [file name...[]] -  for HPUX */

/* jmc 4/25/1997 10:09AM */

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <sys/stat.h>   
#include <string.h>
#include <errno.h>


void statfile(char *, struct stat *);
void usage(void); 
void bail(void);  
void filetimes(char *, struct stat *);    

int main(int argc, char *argv[]){      
       struct stat st;
       int i=0;    
       char tmp[256]={'\0'};
       if(argc <2) usage();       
       for(i=1; i<argc;i++){       
               strcpy(tmp,argv[i]);
               statfile(tmp,&st);
               filetimes(tmp,&st);            
       }        
       
       return 0;
}                         
void filetimes(char *fname,struct stat *st){  /* display the file times */
       struct tm *tmptr;            
       struct stat lst;           
       char output[91]={'\0'};
       lst = *st;   
       printf("File times for %s\n",fname);
       tmptr=localtime(&lst.st_atime);
       strftime(output,80,"Last status change: %D %T",tmptr);
       printf("\t%s\n",output);
       tmptr=localtime(&lst.st_mtime);
       strftime(output,80,"Last modify time  : %D %T",tmptr);
       printf("\t%s\n",output);

       
}
void statfile(char *fname, struct stat *st){
       int result=0;   
       result=stat(fname,st);
       if(result == (-1)) bail();
}               
void usage(void){
    printf("usage:  filetime <filenames> \n");
    errno=0;
    bail();
}                

void bail(void){
    if (errno) perror("Fatal error");
    exit(EXIT_FAILURE);
}

ls -l --time-style=+'%d-%m-%y  %H:%M'