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Title WhereIs utility
Author Rakesh Juyal
Author Email r.juyal [at] gmail.com
Description 'Whereis' utility is used to search for specified files in
specified environment variable ( by default PATH variable ), also it
accepts wildcard characters..

>>>and to see other options just wtite 'whereis' followed by return.

[ Why/When to use ] sometime we get the error 'Bad command or File
name'
possible reasons are:-
>> wrong spelling
>> File donot exist

So for later reason you can search whether it exist or not.

Example:-
whereis grep.exe vi.exe
whereis /n CLASSPATH myClass.class *.jar

Category C » Beginners / Lab Assignments
Hits 366753
Code Select and Copy the Code
/****************************************/ /************* WhereIs.cpp *************/ /****************************************/ /* @Programmer: Rakesh Juyal @Creation Date: March, 15 2006 @Email: r.juyal@Gmail.com */ #include <Stdio.h> #include <alloc.h> #include <stdlib.h> #include <string.h> #include <dos.h> #include <conio.h> int findfile ( char *file1, char *curPath, int showfilename ); void showHelp(); void main() { char *path = NULL; char *ptr = NULL; char tmp = 'r'; char curPath[128]; char *filesTofind[128]; char envVariable[128]; int i = 0; int j = 0; int k = 0; int found = 0; int showFileMode = 0; int verboseMode = 0; int numberOfFilesToFind = 0; if ( _argc == 1 ) { showHelp(); return; } else { strcpy ( envVariable, "PATH" ); for ( i = 1; i < _argc; i++ ) { if ( ( _argv[i][0] == '/' ) || ( _argv[i][0] == '-' ) ) { // Found an option switch ( _argv[i][1] ) { default: printf ("Invalid switch %s ",_argv[i] ); return; case 's': case 'S': showFileMode = 1; break; case 'v': case 'V': verboseMode = 1; break; case 'n': case 'N': if ( _argc > i + 2 ) { i++; strcpy ( envVariable, _argv[ i ]); } break; case 'f': case 'F': break; } } else { break; } } } if ( ( _argv[1][0] != '/' ) && ( _argv[1][0] != '-' ) ) // if no options i = 1; for ( ; i < _argc; i++ ) { filesTofind[numberOfFilesToFind] = ( char * ) calloc ( strlen ( _argv[i] ) + 1 , 1); strcpy ( filesTofind[numberOfFilesToFind], _argv[i] ); numberOfFilesToFind++; } if ( numberOfFilesToFind == 0 ) { printf ("No files to find? " ); return; } ptr = &tmp; ptr = getenv( envVariable ); if ( ptr == NULL ) { printf ( "'%s' Variable not defined in Environment. NOTE: Case sensitive " , envVariable); return; } path = &tmp; path = (char * ) calloc ( strlen( ptr ) + 3 , 1); strcpy ( path, ptr ); //printf ( "PATH:= %s", path ); //printf (" ../--\../--\../--\../--\.."); i = 0; while ( path[i] != '

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