fprintf(stderr, "\n");
fprintf(stderr, "Program: wgsim (short read simulator)\n");
fprintf(stderr, "Version: %s\n", PACKAGE_VERSION);
fprintf(stderr, "Contact: Heng Li <lh3@sanger.ac.uk>\n\n");
fprintf(stderr, "Usage: wgsim [options] <in.ref.fa> <out.read1.fq> <out.read2.fq>\n\n");
fprintf(stderr, "Options: -e FLOAT base error rate [%.3f]\n", ERR_RATE);
fprintf(stderr, " -d INT outer distance between the two ends [500]\n");
fprintf(stderr, " -s INT standard deviation [50]\n");
fprintf(stderr, " -N INT number of read pairs [1000000]\n");
fprintf(stderr, " -1 INT length of the first read [70]\n");
fprintf(stderr, " -2 INT length of the second read [70]\n");
fprintf(stderr, " -r FLOAT rate of mutations [%.4f]\n", MUT_RATE);
fprintf(stderr, " -R FLOAT fraction of indels [%.2f]\n", INDEL_FRAC);
fprintf(stderr, " -X FLOAT probability an indel is extended [%.2f]\n", INDEL_EXTEND);
fprintf(stderr, " -S INT seed for random generator [-1]\n");
fprintf(stderr, " -h haplotype mode\n");