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/*
program to take the min max output and create histgram
Author: Phil Wilshire
DAta: May 1999
Licence: GPL
*/
#include <stdio.h>
#include <stddef.h>
#define NUMBINS 400
#define BINDELTA 500
#define LOWBIN 1000
#define LINESIZE 132
int usage()
{
printf(" use : histplot infile [outfile]\n");
}
int main( int argc , char * argv[] )
{
FILE * infile;
FILE * outfile;
int bins[NUMBINS];
char line[LINESIZE];
char junk1[LINESIZE];
char junk2[LINESIZE];
int minval;
int maxval;
int scount;
int nsamps ;
int nover ;
int i;
int ival;
if ( argc < 2 ) {
usage();
exit(1);
}
infile = fopen(argv[1],"r");
if (infile == NULL ) {
printf(" unable to open input file [%s] \n",argv[1]);
exit(1);
}
if ( argc > 2 ) {
outfile = fopen(argv[2],"w");
if (outfile == NULL ) {
printf(" unable to open output file [%s] \n",argv[2]);
exit(1);
}
} else {
outfile = stdout;
}
nsamps = 0;
nover = 0;
for ( i = 0 ; i < NUMBINS ; i++ ) {
bins[i] = 0;
}
while ( fgets(line,LINESIZE,infile) != NULL ) {
scount = sscanf(line,"%s %d,%s %d",junk1,&minval,junk2,&maxval);
if ( scount < 4 ) {
printf(" error in line <%s> scount = %d \n",line,scount);
exit(1);
};
maxval = (maxval-LOWBIN) / BINDELTA;
if ( maxval < NUMBINS ) {
bins[maxval]++;
} else {
nover++;
}
}
for ( i = 0 ; i < NUMBINS ; i++ ) {
ival = i * BINDELTA + (LOWBIN);
fprintf(outfile, "%5d %5d\n",ival,bins[i]);
}
fclose(infile);
fclose(outfile);
exit(0);
}
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