34 lines
594 B
C
34 lines
594 B
C
|
/*
|
||
|
|
* Executes a given program, converting all
|
||
|
|
* output to upper case.
|
||
|
|
*/
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <ctype.h>
|
||
|
|
|
||
|
|
char buffer[256];
|
||
|
|
|
||
|
|
void main( int argc, char **argv )
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
int c;
|
||
|
|
FILE *f;
|
||
|
|
|
||
|
|
for( i = 1; i < argc; i++ ) {
|
||
|
|
strcat( buffer, argv[i] );
|
||
|
|
strcat( buffer, " " );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( ( f = _popen( buffer, "r" ) ) == NULL ) {
|
||
|
|
perror( "_popen" );
|
||
|
|
exit( 1 );
|
||
|
|
}
|
||
|
|
while( ( c = getc(f) ) != EOF ) {
|
||
|
|
if( islower( c ) )
|
||
|
|
c = toupper( c );
|
||
|
|
putchar( c );
|
||
|
|
}
|
||
|
|
_pclose( f );
|
||
|
|
}
|