#chr	length	GC%
chr1	2540030	0.341645177419
chr2	1971884	0.34384071274
chr3_ctg_530	1317241	0.338727689162
chr3_ctg_531	570487	0.336293377413
chr3_ctg_545	41585	0.387351208368
chr3_ctg_546	13275	0.409039548023
chr4_ctg_528	17691	0.310383810977
chr4_ctg_529	1835834	0.339526340617
chrP	39579	0.194800272872
# total	8347606.0	0.340444074625