Update gmtxy-dot.sh

add -q option

gmtxy-dot.sh

@@ -10,9 +10,10 @@ overwriteRange='null'
 overwrite=0
 labels=("x (m)" "y (m)")
 valuerange="0/1000/10"
+noshow=0
 
 # 从命令行获取参数
-while getopts "hi:r:u:c:a:d:" arg
+while getopts "hqi:r:u:c:a:d:" arg
 do
 	case $arg in
 		h)
@@ -25,6 +26,7 @@ For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (z
 			printf "%s\t%s\n" "-u" "data unit. The default is meter."
 			printf "%s\t%s\n" "-c" "color cpt. The default is rainbow."
 			printf "%s\t%s\n" "-a" "axis labels. The deafults are x (m) and y (m)."
+			printf "%s\t%s\n" "-q" "do not show the output figure."
 			exit 0;;
 		i)
 			data=$OPTARG;;
@@ -39,6 +41,8 @@ For futher explanations, please look for GMT's manuscripts.\nAuthor: Yi Zhang (z
 			labels=(${OPTARG//,/ });;
 		d)
 			valuerange=$OPTARG;;
+		q)
+			noshow=1;;
 		?)
 			printf "error: unknow argument\nuse -h option to see help information\n"
 			exit 1;;
@@ -80,5 +84,7 @@ else
 	# 在终端显示图像 此命令需要imgcat.sh脚本和iTerm终端
 	#imgcat $jpgfile
 	# 打开图片文件 此命令使用MacOS终端open命令
+	if [[ ${noshow} == 0 ]]; then
 		open $jpgfile
 	fi
+fi