Add cameras.sh example script

scripts/cameras.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+readonly WEBCONTROL_PORT="8080"
+readonly CAMERA_1="10.0.1.1"
+readonly CAMERA_2="10.0.1.2"
+readonly CAMERA_3="10.0.1.3"
+
+err() {
+  echo "[$(date -u +'%Y-%m-%dT%H:%M:%S%:z')]: $*" >&2
+}
+
+main() {
+  url="detection/status"
+  case "$1" in
+    "capture"|"c") url="detection/snapshot" ;;
+    "pause"|"p") url="detection/pause" ;;
+    "start"|"s") url="detection/start" ;;
+    "status"|"") url="detection/status" ;;
+    *) err "unrecognized command: $1"; exit 1
+  esac
+
+  curl --digest --user "${MOTION_USER}:${MOTION_PASSWORD}" \
+       "https://${CAMERA_1}:${WEBCONTROL_PORT}/0/${url}"
+  curl --digest --user "${MOTION_USER}:${MOTION_PASSWORD}" \
+       "https://${CAMERA_2}:${WEBCONTROL_PORT}/0/${url}"
+  curl --digest --user "${MOTION_USER}:${MOTION_PASSWORD}" \
+       "https://${CAMERA_3}:${WEBCONTROL_PORT}/0/${url}"
+}
+
+main "$@"