awk函数

[chengmo@centos5 ~]$ awk 'BEGIN{OFMT= %.3f ;fs=sin(1);fe=exp(10);fl=log(10);fi=int(3.1415);print fs,fe,fl,fi;}'.函数名 说明 atan2( y, x ) 返回 y/x 的反正切.[chengmo@cento...www.cnblogs.comTIME.rfTime = +new Date;

$ awk'BEGIN { PI = 3.14159265 x = -10 y = 10 result = atan2 (y,x) * 180 / PI; printf The arc tangent for (x=%f, y=%f) is %f degrees\n , x, y, result }'...