The Dir Commandwe All Know The Dos Command "Dir". IT CAN List The file name with "?", "*" As the parameter, it can list the files you need. Input SpecificationThere Are several lines (at most 100) each contain a file name and terminated by a line containing '*'. Then a line contains a integer N and followed N lines. each line containa command "dir" with parameter. Output SpecificationFor each "dir" print the result, each file name in a line in lower case. If nothing foundprint "no such files" in a single line. Print a blank line after each result. Note thatthe command "dir" will treat the capital letter and small letter as The Same. Same. Sample InputAutoExec.bat
Boot.ini
Bootfont.bin
Config.sys
IO.sys
Msdos.sys
Pagefile.sys
*
4
Dir autoexec.bat
DIR boot *. *
DIR ??. sys
DIR *. *
Sample OutputautoExec.bat
Boot.ini
Bootfont.bin
IO.sys
Autoexec.bat
Boot.ini
Bootfont.bin
Config.sys
IO.sys
Msdos.sys
Pagefile.sys
I started to use C later discovered that I can't understand the input. I can't do it. #Include
#include
#include
Using namespace std;
void main ()
{
Char files [100] [20];
INT IDX = 0;
INT IDXF = 0;
CHAR CH;
Scanf ("% C", & ch);
While (ch! = '*')
{
IF (ch> = 'a' && ch <= 'z')
CH = 'a' ch-'A ';
FILES [IDX] [IDX ] = CH;
IF (CH == '/ n')
{
FILES [IDXF] [IDX] = '/ 0';
IDX = 0;
IDXF ;
}
CH = GetChar ();
}
Int n;
Scanf ("% D / N", & n);
For (int i = 0; i { CHAR COM [20]; / / Enter command Save in COM Cin >> COM; // filter out DIR Cin >> COM; For (int J = 0; J COM [J] = 'A' COM [J] - 'A'; Bool Found = false; For (int J = 0; j { INT P = 0, q = 0; // P Points the word characters in the current file name, Q Points the characters in the command L1: IF (files [j] == COM [q]) // Character is equal, Pass { P ; Q ; Goto L1; } IF (files [j] == '/ n' && strlen (com) == q) // two strings at the same time, OK { Printf ("% s", files [j]); Found = True; CONTINUE; } IF (COM [q] == '*') // '*' matches { IF (COM [q 1] == '/ 0') // If * is the last character of the command, OK { Cout << Files [J]; Found = True; CONTINUE; } While (P P ; Q ; Goto L1; } IF (files [j]! = '/ n' && com [q] == '?') // match? To ensure that the file name is not over { P ; Q ; Goto L1; } } IF (! Found) Printf ("No Such Files / N"); Cout << Endl; } }
