Category : OS/2 Files
Archive : OS2TOOLS.ZIP
Filename : WC.C
Output of file : WC.C contained in archive : OS2TOOLS.ZIP
WC.C
A UNIX-style Word Count utility.
**/
#include
#include
#include
#include
/**
Constants
**/
#define TRUE 1 /* Boolean Truth */
#define FALSE 0 /* Boolean Falsehood */
#define MAXLINE 2048 /* maximum line size */
/**
Statics
**/
static char szBuffer[MAXLINE] ;
static unsigned long lChars ; /* Number of characters */
static unsigned long lWords ; /* Number of words */
static unsigned long lLines ; /* Number of lines */
static unsigned long lTChars ; /* Total characters */
static unsigned long lTWords ; /* Total words */
static unsigned long lTLines ; /* Total lines */
static int bChars ; /* print character count */
static int bWords ; /* print word count */
static int bLines ; /* print line count */
static int bTotals ; /* print a total count */
/**
Function prototypes
**/
void main( int, char ** ) ;
static void Count( char * ) ;
static void PrintCount( long, long, long, char * ) ;
/**
PrintCount()
Print the count of words, characters and lines.
**/
static void PrintCount( lCCnt, lWCnt, lLCnt, szName )
long lCCnt ;
long lWCnt ;
long lLCnt ;
char *szName ;
{
if ( bChars ) /* print character count only */
printf( "%ld %s\n", lCCnt, szName ) ;
else if ( bWords ) /* print word count only */
printf( "%ld %s\n", lWCnt, szName ) ;
else if ( bLines ) /* print line count only */
printf( "%ld %s\n", lLCnt, szName ) ;
else /* print all three */
printf( "%ld\t%ld\t%ld %s\n", lLCnt, lWCnt, lCCnt, szName ) ;
}
/**
Count()
Count number of words, characters and lines in a file.
Set lChars, lWords, and lLines accordingly.
**/
static void Count( szName )
char *szName ;
{
FILE *pFile ;
int c ;
int bNonBlank = FALSE ;
char *szStd = "" ;
lChars = 0L ;
lWords = 0L ;
lLines = 0L ;
if ( szName )
{
pFile = fopen( szName, "rb" ) ;
if ( pFile == NULL )
{
printf( "ERROR: could not open file %s\n", szName ) ;
exit(1) ;
}
}
else
{
pFile = stdin ; /* NULL name, read standard input */
szName = szStd ;
}
while ( TRUE )
{
c = fgetc(pFile) ;
if ( c == EOF )
break ;
++lChars ;
if ( isspace(c) )
{
if ( bNonBlank )
++lWords ;
bNonBlank = FALSE ;
}
else
bNonBlank = TRUE ;
if ( c == '\n' )
++lLines ;
}
/* close file if not stdin */
if ( pFile != stdin )
fclose( pFile ) ;
/* print out the line count */
PrintCount( lChars, lWords, lLines, szName ) ;
/* Add to the totals */
lTChars += lChars ;
lTWords += lWords ;
lTLines += lLines ;
}
/**
MAIN ROUTINE
**/
void main( argc, argv )
int argc ;
char *argv[] ;
{
int nArg;
/* Print a cute littel banner */
fprintf( stderr, "WC - A Word Count Utility\n" ) ;
fprintf( stderr, "By Ralph E. Brendler\n\n" ) ;
nArg = 1 ;
while ( nArg < argc )
{
if ( *argv[nArg] != '-' && *argv[nArg] != '/' )
break ;
/* process command line switches */
switch( *(argv[nArg]+1) )
{
case 'c': /* print character count */
bChars = TRUE ;
bWords = bLines = FALSE ;
break ;
case 'w': /* print word count */
bWords = TRUE ;
bChars = bLines = FALSE ;
break ;
case 'l': /* print line count */
bLines = TRUE ;
bChars = bWords = FALSE ;
break ;
case 't': /* print totals */
bTotals = TRUE ;
break ;
case '?': /* print usage */
printf( "Usage: wc [-cltw?] [file...]\n" ) ;
exit(0) ;
break ;
default: /* bad switch */
printf( "ERROR: Bad switch %s\n", argv[nArg] ) ;
printf( "Type \"wc -?\" for help\n" ) ;
exit(1) ;
break ;
}
++nArg ;
}
/* go through each file, counting stuff */
if ( nArg == argc )
Count( NULL ) ; /* count stdin */
else
while ( nArg < argc ) /* count filename */
Count( argv[nArg++] ) ;
/* Print out the totals */
if ( bTotals )
PrintCount( lTChars, lTWords, lTLines, "Total Count" ) ;
exit(0) ;
}
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