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This class prints the first several lines of a file. The default is to print 5 lines, but the -n flag can specify a different number. If no file is specified on the command line, read from standard input. The code bekoow is to help get started.   #include #include   // You may assume that lines are no longer than 1024 bytes #define LINELEN 1024   static void usage (void);   int main (int argc, char *argv[]) { return EXIT_SUCCESS; }   static void usage (void) { printf ("head, prints the first few lines of a file\n"); printf ("usage: head [FLAG] FILE\n"); printf ("FLAG can be:\n"); printf (" -n N show the first N lines (default 5)\n"); printf ("If no FILE specified, read from STDIN\n"); }

This class prints the first several lines of a file. The default is to print 5 lines, but the -n flag can specify a different number. If no file is specified on the command line, read from standard input. The code bekoow is to help get started.   #include #include   // You may assume that lines are no longer than 1024 bytes #define LINELEN 1024   static void usage (void);   int main (int argc, char *argv[]) { return EXIT_SUCCESS; }   static void usage (void) { printf ("head, prints the first few lines of a file\n"); printf ("usage: head [FLAG] FILE\n"); printf ("FLAG can be:\n"); printf (" -n N show the first N lines (default 5)\n"); printf ("If no FILE specified, read from STDIN\n"); }

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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This class prints the first several lines of a file. The default is to print 5 lines, but the -n
flag can specify a different number. If no file is specified on the command line, read
from standard input. The code bekoow is to help get started.
 
#include <stdio.h>
#include <stdlib.h>

 

// You may assume that lines are no longer than 1024 bytes
#define LINELEN 1024

 

static void usage (void);

 

int
main (int argc, char *argv[])
{
return EXIT_SUCCESS;
}

 

static void
usage (void)
{
printf ("head, prints the first few lines of a file\n");
printf ("usage: head [FLAG] FILE\n");
printf ("FLAG can be:\n");
printf (" -n N show the first N lines (default 5)\n");
printf ("If no FILE specified, read from STDIN\n");
}
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