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