Linux Shell脚本检测摄像头个数

Linux Shell脚本检测摄像头个数

#!/bin/bash

CAMPATH=/dev/video

declare -i numCam=0

for((i=0;i<=32;i=i+1))

do

test -c ${CAMPATH}${i} && numCam=numCam+1

done

echo ${numCam}" Cameras"