求问 say 语句的用法

zshen001

如题，最近看到say语句，但是不知道其用法，也没找到相关资料，希望各位不吝赐教，附画台风路径应用示例，里面就用到了say
**使用方法：在ga>路径\path.gs 台风文件路径 输出台风图片路径
**把初始点的经纬度写改写在lat0,lon0处
function path(args)
'reinit'
infile=subwrd(args,1)
outpng=subwrd(args,2)
say infile
say outpng
*'enable print 'outpng
'open E:\20160826\fnl.ctl'
'set parea 1 11 1 8'
'set grads off'
'set lat 5 55'
'set lon 90 160'
'set cmin 10000'
'set xlopts 1 0.1 0.16'
'set ylopts 1 0.1 0.16'
'd TMP2m'
i=1
strong1=1
c1=1
c2=1
c3=1
c4=1
c5=1
c6=1
lat0=11.6
lon0=140.5
'q w2xy 'lon0' 'lat0
x0=subwrd(result,3)
y0=subwrd(result,6)
while(1)
info=read(infile)
code=sublin(info,1)
if(code!=0)
break
endif
info=sublin(info,2)
latty=subwrd(info,3)*0.1
lonty=subwrd(info,4)*0.1
tim=subwrd(info,1)
wind=subwrd(info,6)
strong0=subwrd(info,2)
'q w2xy 'lonty' 'latty
x=subwrd(result,3)
y=subwrd(result,6)
'set string 2 l 2 0'
'set strsiz 0.15 0.15'
'set line 1 1 5'
'draw line 'x0' 'y0' 'x' 'y
x0=x
y0=y
st=substr(tim,5,10)
if(wind>10&wind<=17.1&c1=1)
'draw wxsym 41 'x' 'y' 0.2 4 1'
c1=c1+1
endif
if(wind>17.1&wind<=24.4&c2=1)
'draw wxsym 41 'x' 'y' 0.2 9 1'
c2=c2+1
endif
if(wind>24.4&wind<=32.6&c3=1)
'draw wxsym 41 'x' 'y' 0.2 7 1'
c3=c3+1
endif
if(wind>32.6&wind<=41.4&c4=1)
'draw wxsym 41 'x' 'y' 0.2 8 1'
c4=c4+1
endif
if(wind>41.4&wind<=50.9&c5=1)
'draw wxsym 41 'x' 'y' 0.2 6 1'
c5=c5+1
endif
if(wind>50.9&c6=1)
'draw wxsym 41 'x' 'y' 0.2 2 1'
c6=c6+1
endif
*if(math_fmod(i,4)=0)
if(strong0!=strong1|i=1)
strong1=strong0
if(strong0=1)
'set string 1 l 1 1'
'draw string 'x' 'y' 'st'--TD'
'draw wxsym 41 'x' 'y' 0.2 4 1'
endif
if(strong0=2)
'set string 1 l 1 1'
'draw string 'x' 'y' 'st'--TS'
'draw wxsym 41 'x' 'y' 0.2 9 1'
endif
if(strong0=3)
'set string 1 l 1 1'
'draw string 'x' 'y' 'st'--STS'
'draw wxsym 41 'x' 'y' 0.2 7 1'
endif
if(strong0=4)
'set string 1 l 1 1'
'draw string 'x' 'y' 'st'--TY'
'draw wxsym 41 'x' 'y' 0.2 8 1'
endif
if(strong0=5)
'set string 1 l 1 1'
'draw string 'x' 'y' 'st'--STY'
'draw wxsym 41 'x' 'y' 0.2 6 1'
endif
if(strong0=6)
'set string 1 l 1 1'
'draw string 'x' 'y' 'st'--SuperTY'
'draw wxsym 41 'x' 'y' 0.2 2 1'
endif
endif
i=i+1
endwhile
'gxprint 'outpng
*'print'
*'disable print'
;

四叶草

手册上有这块知识的，楼主没注意看吧。