X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=ziva-screen;h=9a9aa6a5b7b77a1143d00a42cd8cd8c3a8f39bc3;hb=HEAD;hp=e951311286cd50c50769b7c3e25dfc6f0c9a9d20;hpb=5abdcfce00c6ff61bf3856f7b5101915dc096107;p=distro-setup diff --git a/ziva-screen b/ziva-screen index e951311..9a9aa6a 100755 --- a/ziva-screen +++ b/ziva-screen @@ -1,29 +1,60 @@ #!/bin/bash +# I, Ian Kelling, follow the GNU license recommendations at +# https://www.gnu.org/licenses/license-recommendations.en.html. They +# recommend that small programs, < 300 lines, be licensed under the +# Apache License 2.0. This file contains or is part of one or more small +# programs. If a small program grows beyond 300 lines, I plan to switch +# its license to GPL. -# Get screenshots from bow, discard them if they dont change much. +# Copyright 2024 Ian Kelling + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at + +# http://www.apache.org/licenses/LICENSE-2.0 + +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +# Get screenshots from bo, discard them if they dont change much. -source /usr/local/lib/err [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@" +set -e; . /usr/local/lib/bash-bear; set +e + +dest_dir=/d/ziva-log +case $HOSTNAME in + sy) + dest_dir=/t/zlog + ;; +esac + f=/run/user/1000/ziva-tmp.jpg -cd /d/ziva-log +install -d -g 1000 -o 1000 -m 700 $dest_dir +cd $dest_dir shopt -s nullglob jpgs=( 20*jpg ) if (( ${#jpgs[@]} >= 1 )); then + # shellcheck disable=SC2012 # this is much sorter than find|sort lastf=$(ls -1 20*jpg | tail -n1) fi -ssh bow DISPLAY=:0 scrot -z $f 2>/dev/null || exit 0 -rsync --inplace bow:$f /d/ziva-log 2>/dev/null || exit 0 -ssh bow rm -f $f +ssh bo DISPLAY=:0 scrot -z $f 2>/dev/null || exit 0 +rsync --inplace bo:$f $dest_dir 2>/dev/null || exit 0 +ssh bo rm -f $f same=false if [[ $lastf ]]; then # returns 2 on error, but maybe in that case we want to ignore, file the image away # and then it can go away in a subsequent comparison. going with that for now. diff=$(compare -metric MSE $lastf ziva-tmp.jpg /dev/null |& sed 's/[^0-9].*//') ||: - if printf "%s\n" "$diff" | egrep '^[0-9]+$' &>/dev/null && (( diff < 200 )); then + if printf "%s\n" "$diff" | grep -E '^[0-9]+$' &>/dev/null && (( diff < 200 )); then same=true fi fi @@ -31,5 +62,5 @@ fi if $same; then rm -f ziva-tmp.jpg else - mv ziva-tmp.jpg $(date +%F.%R).jpg + mv ziva-tmp.jpg "$(date +%F.%R)".jpg fi