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cat.c
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115 lines (93 loc) · 2.02 KB
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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<unistd.h>
#include<sys/wait.h>
#include<fcntl.h>
#include<dirent.h>
#include <sys/stat.h>
#include<time.h>
int main(int argc, char* argv[])
{
strtok(argv[1]," ");
char* opt=strtok(NULL," ");
if(!strcmp(opt,"-n"))
{
char* fle;
int count=0;
while((fle=strtok(NULL," "))!=NULL)
{
char path[100];
FILE *run=fopen(strcat(strcat(getcwd(path,100),"/"),fle ),"r");
if(run==NULL)
{
printf("File not found\n");
}
char line[100];
int i=0;
while(fgets(line,sizeof(line),run))
{
printf(" %d %s",count+1,line);
count++;
i++;
}
}
}
else if(!strcmp(opt,"-s"))
{
char path[100];
char* fle;
while((fle=strtok(NULL," "))!=NULL)
{
FILE *run=fopen(strcat(strcat(getcwd(path,100),"/") ,fle),"r");
if(run==NULL)
{
printf("File not found\n");
}
char line[100];
while(fgets(line,sizeof(line),run))
{
printf("%s",line);
if(!strcmp(line,"\n"))
{
while(fgets(line,sizeof(line),run))
{
if(!strcmp(line,"\n"))
{
}
else
{
printf("%s",line);
break;
}
}
}
}
}
}
else
{
char path[100];
FILE *run=fopen(strcat(strcat(getcwd(path,100),"/"),opt),"r");
if(run==NULL)
{
printf("File not found\n");
}
char line[100];
while(fgets(line,sizeof(line),run))
{
printf("%s",line);
}
char* fle;
while((fle=strtok(NULL," "))!=NULL)
{
FILE *run=fopen(strcat(strcat(getcwd(path,100),"/"),fle),"r");
char line[100];
while(fgets(line,sizeof(line),run))
{
printf("%s",line);
}
}
}
return 0;
}