21 files changed, 644 insertions, 0 deletions

diff --git a/home/xyz/.local/bin/cfg b/home/xyz/.local/bin/cfg
new file mode 100755
index 00000000..de40874a
--- /dev/null
+++ b/home/xyz/.local/bin/cfg
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# didn't consider $HOME contain space? need improve?
+while getopts clLsSmM opt; do
+	case $opt in
+		c|l|s)	dir="$HOME"
+				cmd="git --git-dir=$dir/.cfg$opt/ --work-tree=$dir"
+				mods="$XDG_CONFIG_HOME/myconf/cfg${opt}_mods";;
+		L|S)	dir=/etc/
+				cmd="sudo git --git-dir=$dir/.cfg$opt/ --work-tree=$dir"
+				mods="/etc/myconf/cfg${opt}_mods";;
+				# -rw-r--r-- == binary 110100100 == octal 644
+				# https://stackoverflow.com/a/1796009
+		m)		$cmd ls-tree -r --name-only --full-tree HEAD | nawk -v a="$dir/" '{printf("%s%s\n",a,$0)}' | tr '\n' '\0' | xargs -0 ls -ldA -- | grep -v '^l\|^d' | nawk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/)*2^(8-i));if(k){for(i=10;$i;i++)$9=$9" "$i;printf("%0o %s\n",k,$9)}}' > "$mods"
+				exit;;
+		M)		while read -r mod path; do
+					sudo chmod -c "$mod" -- "$path"
+				done < "$mods"
+				exit;;
+		\?)	exit 1;;
+	esac
+done
+shift $((OPTIND-1))
+$cmd "$@"
diff --git a/home/xyz/.local/bin/chmodef b/home/xyz/.local/bin/chmodef
new file mode 100755
index 00000000..be9b2934
--- /dev/null
+++ b/home/xyz/.local/bin/chmodef
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# https://wiki.archlinux.org/title/File_permissions_and_attributes#Numeric_method
+find "$@" -type d -execdir chmod 755 -- '{}' \+
+find "$@" -type f -execdir chmod 644 -- '{}' \+
diff --git a/home/xyz/.local/bin/convwall b/home/xyz/.local/bin/convwall
new file mode 100755
index 00000000..dff9c43b
--- /dev/null
+++ b/home/xyz/.local/bin/convwall
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# target image aspect ratio
+wratio=$SCR_WIDTH
+hratio=$SCR_HEIGHT
+# chop how much from center
+chopnum=99%
+
+# my benchmark shows -ping is much faster than default
+# https://github.com/ImageMagick/ImageMagick/issues/3183#issuecomment-800955241
+width=$(identify -ping -format '%w' "$1")
+height=$(identify -ping -format '%h' "$1")
+
+ratio=$((wratio*100/hratio))
+dim=$((width*100/height))
+
+if [ "$dim" -ne "$ratio" ]; then
+	if [ "$dim" -lt "$ratio" ]; then
+		chopgeom="${chopnum}x0"	
+		width=$((height*wratio/hratio))
+	else
+		chopgeom="0x$chopnum"	
+		height=$((width*hratio/wratio))
+	fi
+	# may throw error "sort: write failed: 'standard output': Broken pipe \n sort: write error"
+	# caused by head exit (or close stdin) before sort output complete, can ignore
+	# https://stackoverflow.com/questions/46202653/bash-error-in-sort-sort-write-failed-standard-output-broken-pipe
+	bgcolor=$(convert "$1" -gravity center -chop "$chopgeom" -define histogram:unique-colors=true -format %c histogram:info:- | sort -rn | head -n1 | awk \{print\ \$3\} | cut -c1-7)
+	# another approach is to use "$width" or "x$height" for geometry, current approach is more readable
+	convert "$1" -gravity center -background "$bgcolor" -extent "${width}x$height" "$2"
+else
+	echo 'same aspect ratio, no need to convert' >&2
+	exit 1
+fi
diff --git a/home/xyz/.local/bin/curlkg b/home/xyz/.local/bin/curlkg
new file mode 100755
index 00000000..9389e680
--- /dev/null
+++ b/home/xyz/.local/bin/curlkg
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# references:
+# https://blog.csdn.net/qq_41730930/article/details/79327757
+# https://blog.csdn.net/u011112876/article/details/89634505
+# https://github.com/pystardust/ytfzf
+
+homepage_url='https://node.kg.qq.com/cgi/fcgi-bin/kg_ugc_get_homepage'
+music_url='https://node.kg.qq.com/cgi/fcgi-bin/fcg_get_play_url'
+# num seems only 8 and 15 works
+num=15
+tmp_json_file="$(mktemp --suffix=.json)"
+
+while getopts u: opt; do
+	case $opt in
+		u) uid="$OPTARG";;
+		\?) exit 1;;
+	esac
+done
+# for lan lan, uid=649b9e82272a348b
+# for cheng ruan, uid=64949d822c25328c
+[ -z "$uid" ] && echo 'error: must provide share_uid
+ex: curlkg -u 649b9e82272a348b ./' >&2 && exit 1 
+shift $((OPTIND-1))
+download_dir="${1:-"$PWD"}"
+[ -d "$download_dir" ] || mkdir -p "$download_dir"
+
+get_json () 
+{
+	curl -s -G --data-urlencode type=get_uinfo -d outCharset=utf-8 -d start="$1" -d num=$num -d share_uid="$uid" "$homepage_url" | sed 's/.*({\(.*\)}).*/{\1}/' >> "$tmp_json_file"
+}
+
+get_json 1
+ugc_total_count=$(jq '.data.ugc_total_count' "$tmp_json_file")
+# can also use while loop with i=$((i+1))
+# the calculation considers both ugc_total_count%num==0 and ugc_total_count%num>0
+for i in $(seq 2 $(((ugc_total_count+num-1)/num))); do
+	get_json "$i"
+done
+
+jq -r '.data.ugclist[]|"'"$music_url"'?shareid=\(.shareid)\n out=\(.title)_\(.time).m4a"' "$tmp_json_file" | aria2c -d "$download_dir" --auto-file-renaming=false --console-log-level=warn -i-
+rm "$tmp_json_file"
diff --git a/home/xyz/.local/bin/curlncm b/home/xyz/.local/bin/curlncm
new file mode 100755
index 00000000..582214ac
--- /dev/null
+++ b/home/xyz/.local/bin/curlncm
@@ -0,0 +1,86 @@
+#!/bin/sh
+# rewrite TianyiShi2001's python script which rewrite NeteaseCloudMusicApi node.js api
+
+# references:
+# https://github.com/ytdl-org/youtube-dl/issues/18051#issuecomment-859964832
+# https://github.com/Binaryify/NeteaseCloudMusicApi
+# info about encrytion and api: 
+# https://github.com/metowolf/NeteaseCloudMusicApi/wiki
+# https://github.com/darknessomi/musicbox/wiki
+
+# lan lan, aid=48860966, rid=793052426, example id=1397315179,1817498734
+# cheng ruan, aid=46703185, rid=792968433
+
+# trial and error to get dj_max, don't know why, maybe because it is 2^31 and it is the size limit of whatever type of the variable
+dj_max=2147483647
+dl_urls_tmp="$(mktemp)"
+# printf 'e82ckenh8dichen8' | hexdump -ve '/1 "%02x"'
+key='653832636b656e683864696368656e38'
+url='/api/song/enhance/player/url'
+request_id=$(date +'%s%3N')_$(seq -w 1 1000 | shuf -n1)
+user_agent='Mozilla/5.0 (Linux; U; Android 9; zh-cn; Redmi Note 8 Build/PKQ1.190616.001) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.141 Mobile Safari/537.36 XiaoMi/MiuiBrowser/12.5.22'
+cookie="$(printf '"appver":"8.0.0","versioncode":"140","buildver":"1623455100","resolution":"1920x1080","__csrf":"","os":"pc","requestId":"%s"' "$request_id")"
+
+die () 
+{
+	echo "error: $*" >&2
+	exit 1
+}
+
+# let a i r mutually exclusive
+# artist, song, djradio id
+flag=0
+while getopts a:i:r: opt; do
+	case $opt in
+		a)	[ "$flag" -eq 1 ] && die "options a,i,r are mutually exclusive"
+			aid="$OPTARG"
+			flag=1;;
+		i)	[ "$flag" -eq 1 ] && die "options a,i,r are mutually exclusive"
+			ids="$OPTARG"
+			flag=1;;
+		r)	[ "$flag" -eq 1 ] && die "options a,i,r are mutually exclusive"
+			rid="$OPTARG"
+			flag=1;;
+		\?) exit 1;;
+	esac
+done
+[ $flag -eq 0 ] && die "please specify at least one option"
+shift $((OPTIND-1))
+[ $# -gt 1 ] && die "directory name should be at the end"
+download_dir="${1:-"$PWD"}"
+[ -d "$download_dir" ] || mkdir -p "$download_dir"
+
+if [ -n "$ids" ]; then
+	# temporary solution, can improve by auto curl names
+	data="$(echo "$ids" | tr ',' '\n' | awk '{printf("%s\t%s\n",$0,"songname")}')"
+else
+	if [ -n "$rid" ]; then
+		data="$(curl -s -G --data-urlencode id="$rid" -d limit="$dj_max" 'https://music.163.com/djradio' | grep 'songlist\|tt f-thide' | sed -e 's/.*songlist-\(.*\)" class.*/\1/g' -e 's/.*title="\(.*\)".*/\1/g' | paste -sd '\t\n' | sort | tr '/' '_')"
+	# can only curl featured 50 songs for the artist, can improve
+	elif [ -n "$aid" ]; then
+		data="$(curl -s -G --data-urlencode id="$aid" 'https://music.163.com/artist' | grep '\[{.*}\]' | sed -e 's/.*>\[{/\[{/' -e 's/}\]<.*/}\]/' | jq -r '.[]|[.id,.name]|@tsv' | sort | tr '/' '_')"
+	fi
+	# awk code not print separator at beginning and end steal from:
+	# https://unix.stackexchange.com/a/581785/459013
+	# not sure awk one-liner or paste way which is better, need benchmark
+	ids="$(echo "$data" | awk -F'\t' '{printf "%s%s",sep,$1;sep=","}')"
+	#ids="$(echo "$data" | awk -F'\t' '{print $1}' | paste -sd ',')"
+fi
+
+# I don't fully understand following several lines of code
+# I rewrite TianyiShi2001's python script, he rewrites NeteaseCloudMusicApi
+text="$(printf '{"ids":"[%s]","br":999000,"header":{%s}}' "$ids" "$cookie")"
+message="nobody${url}use${text}md5forencrypt"
+digest="$(printf '%s' "$message" | openssl dgst -md5 -hex | awk '{print $2}')"
+params="$(printf '%s-36cd479b6b5-%s-36cd479b6b5-%s' "$url" "$text" "$digest")"
+encrypted_params="$(printf '%s' "$params" | openssl enc -aes-128-ecb -K "$key" | hexdump -ve '/1 "%02X"')"
+# curl default user agent header seems not working
+curl -s -A "$user_agent" -d params="$encrypted_params" 'https://interface3.music.163.com/eapi/song/enhance/player/url' | jq -r '.data|sort_by(.id)|.[].url' > "$dl_urls_tmp"
+[ "$(echo "$data" | wc -l)" -ne "$(wc -l < "$dl_urls_tmp")" ] && die "number of download uls doesn't match request"
+
+# can't download some music if live abroad, may need proxy or vpn
+# using user_agent, content-type header, cookie header, referer are not necessary? but feels faster
+# not sure about cookie header format for aria2c, this link shows that it's kinda messy, so I didn't use it
+# https://github.com/aria2/aria2/issues/545#issuecomment-650070869
+echo "$data" | awk -F'\t' '{printf(" out=%s_%s.mp3\n",$2,$1)}' | paste "$dl_urls_tmp" - -d '\n' | aria2c -U "$user_agent" --header='Content-Type: application/x-www-form-urlencoded' --referer='https://music.163.com' -d "$download_dir" --auto-file-renaming=false --console-log-level=warn -i-
+rm "$dl_urls_tmp"
diff --git a/home/xyz/.local/bin/curlqb b/home/xyz/.local/bin/curlqb
new file mode 100755
index 00000000..f98a41c8
--- /dev/null
+++ b/home/xyz/.local/bin/curlqb
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+curl -s 'https://github.com/qbittorrent/search-plugins/wiki/Unofficial-search-plugins' | awk -F'"' '/Plugins for Private sites/{exit} /\.py/{url=$2;getline;getline;getline;if($0 !~ /❗|✖/)print url}' | xargs curl -s -Z -L --remote-name-all --create-dirs --output-dir "$1" --
+
+#curl -s 'https://github.com/qbittorrent/search-plugins/wiki/Unofficial-search-plugins' | awk -F'"' '{
+#	if($0 ~ /Plugins for Private sites/)
+#		exit
+#	if($0 ~ /\.py/)
+#	{
+#		url=$2
+#		getline
+#		getline
+#		getline
+#		if($0 !~ /❗|✖/)
+#			print url
+#	}
+#}' | xargs curl -s -Z -L --remote-name-all --create-dirs --output-dir "$1" --
+
diff --git a/home/xyz/.local/bin/gita b/home/xyz/.local/bin/gita
new file mode 100755
index 00000000..a3d0dbc9
--- /dev/null
+++ b/home/xyz/.local/bin/gita
@@ -0,0 +1,18 @@
+#!/bin/sh
+# note message string must come after options
+
+cmd='git'
+
+while getopts clLsS f; do
+	case $f in
+		c|l|L|s|S) cmd="cfg -$f";;
+		\?) exit 1;;
+	esac
+done
+shift $((OPTIND-1))
+
+mes="${1:-refactor}"
+
+$cmd add -u
+$cmd commit -m "$mes"
+$cmd push
diff --git a/home/xyz/.local/bin/gitfork b/home/xyz/.local/bin/gitfork
new file mode 100755
index 00000000..cefc4f68
--- /dev/null
+++ b/home/xyz/.local/bin/gitfork
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+git clone "$1"
+cd "$(basename "$1" .git)" || exit
+git remote add upstream "$2"
+git branch fly
+git checkout fly
+git push --set-upstream origin fly
diff --git a/home/xyz/.local/bin/gitpu b/home/xyz/.local/bin/gitpu
new file mode 100755
index 00000000..fcc32be9
--- /dev/null
+++ b/home/xyz/.local/bin/gitpu
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+if [ -z "$1" ]; then
+	git checkout master 
+	git pull upstream master
+	git push
+	git checkout fly
+	git merge --no-edit master
+	git push
+else
+	for dir ; do
+		git -C "$dir" checkout master 
+		git -C "$dir" pull upstream master
+		git -C "$dir" push
+		git -C "$dir" checkout fly
+		git -C "$dir" merge --no-edit master
+		git -C "$dir" push
+	done
+fi
diff --git a/home/xyz/.local/bin/mmi b/home/xyz/.local/bin/mmi
new file mode 100755
index 00000000..b3b5868f
--- /dev/null
+++ b/home/xyz/.local/bin/mmi
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+mi ()
+{
+	sudo make -B install
+}
+
+origin="$PWD"
+cmd='mi'
+
+while getopts q opt; do
+	case $opt in
+		q) cmd='qmake6;mi';;
+		\?) exit 1;;
+	esac
+done
+shift $((OPTIND-1))
+
+if [ -z "$1" ]; then
+	eval "$cmd"
+else
+	for dir ; do
+		cd "$dir" || exit
+		eval "$cmd"
+		cd "$origin" || exit
+	done
+fi
diff --git a/home/xyz/.local/bin/mpva b/home/xyz/.local/bin/mpva
new file mode 100755
index 00000000..7224cf46
--- /dev/null
+++ b/home/xyz/.local/bin/mpva
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ $# -eq 0 ]; then
+	# fzf has --read0, maybe useful
+	find "$XDG_MUSIC_DIR" | fzf -m --print0 | xargs -0 mpv --af= --shuffle --loop-playlist=inf --video=no
+elif [ $# -eq 1 ]; then
+	# use --loop-file for single file, better performance maybe
+	mpv --af= --loop-file=inf --video=no "$1"
+else
+	mpv --af= --shuffle --loop-playlist=inf --video=no "$@"
+fi
diff --git a/home/xyz/.local/bin/mpvy b/home/xyz/.local/bin/mpvy
new file mode 100755
index 00000000..4471b668
--- /dev/null
+++ b/home/xyz/.local/bin/mpvy
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# references:
+# https://www.rockyourcode.com/til-how-to-watch-youtube-videos-with-mpv-and-keyboard-shortcuts/
+
+fps=30
+height=$SCR_HEIGHT
+url="$(xsel -ob)"
+flag=s
+
+# option f and h may do nothing if redownload? since same filename exist. yt-dlp won't download same file even without --auto-file-renameing=false. how improve? pass argument to aria2c?
+while getopts Aabd:f:h:su: opt; do
+	case $opt in
+		# s: streaming, a: aria2c then mpv, A: aria2c
+		A|a|s) flag=$opt;;
+		b) format='bestvideo+bestaudio/best';;
+		d) download_dir="$OPTARG";;
+		f) fps="$OPTARG";;
+		h) height="$OPTARG";;
+		u) url="$OPTARG";;
+		\?) exit 1;;
+	esac
+done
+if [ -z "$format" ]; then
+	vformat="[height<=?$height][fps<=?$fps][vcodec!^=?vp9][vcodec!^=?av01]"
+	# usually get .mp4 video + .webm audio on youtube, yt-dlp needs to merge them to .mkv
+	# it used to cause problem, but I forget
+	format="bestvideo$vformat+bestaudio/best$vformat"
+fi
+
+case $flag in
+	# here if use --write-sub, mpv doesn't recognize subtitles? 
+	# --embed-subs is a little bit better, but still worse then direct streaming
+	A) yt-dlp -f "$format" --embed-subs -P "${download_dir:-"$XDG_DOWNLOAD_DIR/mpvy/"}" --sponsorblock-remove all "$url";;
+	a) yt-dlp -f "$format" --embed-subs -P "${download_dir:-/tmp/mpvy/}" --sponsorblock-remove all "$url" --exec 'mpv --fs --speed=2';;
+	s) mpv --ytdl-format="$format" --ytdl-raw-options='write-sub=' --fs --speed=2 "$url";;
+esac
+# not sure if this is the best practice, but it seems working ;)
+status=$?
+[ $status -ne 0 ] && notify-send 'mpvsel failed'
+exit $status
diff --git a/home/xyz/.local/bin/mvtr b/home/xyz/.local/bin/mvtr
new file mode 100755
index 00000000..850f8dba
--- /dev/null
+++ b/home/xyz/.local/bin/mvtr
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# can use ls pipe to sed pipe to bash, similar to eval? see comment at link:
+# link also show perl-rename approach
+# https://linuxconfig.org/rename-all-files-from-uppercase-to-lowercase-characters
+# if only change ' ' to '_' `rename` might be sufficient, for upper to lower case might need perl-rename if want concise
+
+# ./_filename will be renamed ./filename, not what I want, need improve
+# -exec can't replace -execdir here, can write a -exec version
+
+find "$@" -depth -execdir sh -c 'dest="$(echo "$1" | tr -d "\047" | sed -E -e "s/([[:lower:]])([[:upper:]])/\1_\2/g" | tr "[:upper:] " "[:lower:]_" | tr -s "[:punct:]" | sed -E -e "s#/-#/#g" -e "s/_([[:punct:]])/\1/g" -e "s/([[:punct:]])_/\1/g" | tr -s "[:punct:]")"; [ -e "$dest" ] || mv -v -- "$1" "$dest"' shell '{}' \;
+
+# for test
+#mkdir -p ~/test/A\ A/; rm -rf ~/test/A\ A/1t/; cp -r ~/test/0t/ ~/test/A\ A/1t/; time mvtr ~/test/A\ A/1t/; tree ~/test/A\ A/1t/
diff --git a/home/xyz/.local/bin/o b/home/xyz/.local/bin/o
new file mode 100755
index 00000000..21464974
--- /dev/null
+++ b/home/xyz/.local/bin/o
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# useful links
+# https://stackoverflow.com/questions/3430330/best-way-to-make-a-shell-script-daemon
+# https://serverfault.com/questions/117152/do-background-processes-get-a-sighup-when-logging-off
+# https://wiki.archlinux.org/title/default_applications
+
+# I don't care about errors, I don't want to handle errors, just shut up please.
+# nohup seems not necessary if don't care about daemon SIGHUP requirement
+
+if [ $# -eq 1 ] && [ -e "$1" ] && ! [ -x "$1" ]; then
+	nohup xdg-open "$1" 0<&- >&- 2>&- &
+else
+	nohup "$@" 0<&- >&- 2>&- &
+fi
diff --git a/home/xyz/.local/bin/orgext b/home/xyz/.local/bin/orgext
new file mode 100755
index 00000000..f1654d2c
--- /dev/null
+++ b/home/xyz/.local/bin/orgext
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# references: 
+# https://stackoverflow.com/questions/1842254/how-can-i-find-all-of-the-distinct-file-extensions-in-a-folder-hierarchy
+
+# not sure if find here need -depth, not sure if mv here need -n and -T
+
+outdir ()
+{ 
+	find . -type f -execdir mv -nt "$PWD" -- '{}' \+
+	find . -mindepth 1 -maxdepth 1 -type d -delete
+}
+
+indir ()
+{
+	find . -maxdepth 1 -type f | awk -F. '!a[$NF]++{print $NF}' | xargs mkdir --
+	find . -mindepth 1 -maxdepth 1 -type d -execdir basename -az -- '{}' \+ | xargs -0 -I _ find . -maxdepth 1 -type f -name '*._' -execdir mv -t '_' -- '{}' \+
+}
+
+case "$1" in
+	'-o') outdir;;
+	'-i') indir;;
+	*) outdir; indir;;
+esac
diff --git a/home/xyz/.local/bin/reco b/home/xyz/.local/bin/reco
new file mode 100755
index 00000000..d56e61c2
--- /dev/null
+++ b/home/xyz/.local/bin/reco
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# useful urls:
+# https://github.com/LukeSmithxyz/voidrice/blob/master/.local/bin/dmenurecord
+# https://wiki.archlinux.org/title/FFmpeg#Screen_capture
+# https://trac.ffmpeg.org/wiki/Capture/Desktop
+
+infofile="/tmp/recoinfo"
+recodir="$XDG_VIDEOS_DIR/recordings/"
+mkdir -p "$recodir"
+
+if [ -e "$infofile" ]; then
+	read -r pid tmpfile < "$infofile"
+	kill "$pid"
+	notify-send 'finish recording, start converting'
+	ffmpeg -i "$tmpfile" "$recodir/$(time.uuid).mkv"
+	notify-send 'finish converting'
+	rm "$tmpfile" "$infofile"
+else
+	tmpfile="$(mktemp --suffix '.mkv')"
+	notify-send 'start recording'
+	# arch wiki way, no audio, less cpu use during capturing (fast?), large file size, need convert afterward
+	xrectsel '%w %h %x %y' | xargs sh -c 'ffmpeg -y -loglevel quiet -f x11grab -framerate 25 -s "$2"x"$3" -i "$DISPLAY+$4,$5" -c:v ffvhuff "$1" & echo $!' shell "$tmpfile" | xargs -I {} printf '%s\t%s' '{}' "$tmpfile" > "$infofile"
+	# another way to get subshell ffmpeg child pid
+	#xrectsel '%w %h %x %y' | xargs sh -c 'ffmpeg -y -f x11grab -framerate 25 -s "$2"x"$3" -i "$DISPLAY+$4,$5" -c:v ffvhuff "$1"' shell "$tmpfile" &
+	#printf '%s\t%s' "$(ps -o pid= --ppid $!)" "$tmpfile" > "$infofile"
+fi
diff --git a/home/xyz/.local/bin/sbar b/home/xyz/.local/bin/sbar
new file mode 100755
index 00000000..bd471f4a
--- /dev/null
+++ b/home/xyz/.local/bin/sbar
@@ -0,0 +1,90 @@
+#!/bin/sh
+# steal from pystardust, GPL3 license: https://github.com/pystardust/sbar
+# modified to fit my own need
+
+# INIT
+printf '%s' "$$" > "$XDG_CACHE_HOME/pidofbar"
+sec=0
+
+bool () {
+	read str
+	if [ "$str" = "on" ] || [ "$str" = "up" ] || [ "$str" = "Connected" ]; then
+		echo 1
+	else
+		echo 0
+	fi
+}
+
+# MODULES
+update_time () { 
+	time="$(date '+%a %m/%d %H:%M') $(TZ=Asia/Shanghai date '+/%d %H:')"
+}
+
+update_cap () { 
+	cap="$(if xset q | grep -q "Caps Lock: *on"; then echo A; else echo a; fi)"
+}
+
+update_net () { 
+	net="$(bool < /sys/class/net/wlp6s0/operstate)"
+}
+
+update_vpn () {
+	vpn="$(mullvad status | awk '{print $3}' | bool)"
+}
+
+update_vol () { 
+	vol="$(amixer get Master | awk -F'[][]' 'END{printf"%d %s",($4=="on")?1:0,$2}')"
+}
+
+update_mic () { 
+	mic="$(amixer get Capture | awk -F'[][]' 'END{print $4}' | bool)"
+}
+
+update_bat () { 
+	bat="$(cat /sys/class/power_supply/BAT1/capacity)%"
+}
+
+# For calcurse users, refer https://github.com/pystardust/automeet
+#update_event () { 
+#	event="$(calcurse -n | sed 1d | \
+#		sed -E "s_^ *\[(.*):(.*)\] ([^\t]*)\t?.*_[\1h \2m->\3]_")" 
+#	[ "[]" = "$event" ] && event=""
+#}
+
+# modules that don't update on their own need to be run at the start for getting their initial value
+update_vol
+update_mic
+update_cap
+
+display () { 
+	xsetroot -name "$(echo "$time | N $net V $vpn | M $vol C $mic | $cap | $bat")"
+}
+
+# SIGNALLING
+# trap	"<function>;display"	"RTMIN+n"
+trap	"update_mic;display" 	"RTMIN"
+trap	"update_vol;display"	"RTMIN+1"
+# xev can't read my toggle internet keyboard key, don't know what key to use in sxhkd to send signal
+#trap	"update_net;display"	"RTMIN+2"
+trap	"update_cap;display"	"RTMIN+3"
+trap	"update_vpn;display"	"RTMIN+4"
+# to update it from external commands
+## kill -m "$(cat "$XDG_CACHE_HOME/pidofbar")"
+# where m = 34 + n
+
+while true; do
+	# next line of code seems make hotkeys that send kill signals more responsive? not fully understood
+	sleep 1 & wait && { 
+		# to update item ever n seconds with a offset of m
+		## [ $((sec % n)) -eq m ] && udpate_item
+		[ $((sec % 5 )) -eq 0 ] && update_time 	# update time every 5 seconds
+		[ $((sec % 5 )) -eq 0 ] && update_net
+		[ $((sec % 5 )) -eq 0 ] && update_vpn
+		[ $((sec % 60)) -eq 0 ] && update_bat
+		#[ $((sec % 300)) -eq 1 ] && update_event
+
+		# how often the display updates ( 5 seconds )
+		[ $((sec % 5 )) -eq 0 ] && display
+		sec=$((sec + 1))
+	}
+done 
diff --git a/home/xyz/.local/bin/shufwall b/home/xyz/.local/bin/shufwall
new file mode 100755
index 00000000..5b249e12
--- /dev/null
+++ b/home/xyz/.local/bin/shufwall
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+if [ -z "$1" ]; then
+	file=$(find -L "$XDG_PICTURES_DIR/wallpapers" -type f | shuf -n 1)
+else
+	file=$(find -L "$@" -maxdepth 1 -type f | shuf -n 1)
+fi
+
+display -resize "${SCR_WIDTH}x$SCR_HEIGHT" -backdrop -window root "$file"
diff --git a/home/xyz/.local/bin/time.uuid b/home/xyz/.local/bin/time.uuid
new file mode 100755
index 00000000..11cc67ad
--- /dev/null
+++ b/home/xyz/.local/bin/time.uuid
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# echo current nanosecond since epoch and alpha-numerically ordered UUID
+# https://stackoverflow.com/questions/28681650/generate-alpha-numerically-ordered-uuids-over-time?noredirect=1&lq=1
+# https://askubuntu.com/questions/342842/what-does-this-command-mean-awk-f-print-4
+echo "$(date '+%s.%N').$(uuidgen -t | awk -F- '{OFS="-"; print $3,$2,$1,$4,$5}')"
diff --git a/home/xyz/.local/bin/topa b/home/xyz/.local/bin/topa
new file mode 100755
index 00000000..e921bc31
--- /dev/null
+++ b/home/xyz/.local/bin/topa
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+o alacritty -e htop
+o alacritty -e radeontop -c
+o alacritty -e sudo iotop
+o alacritty -e sudo nethogs
diff --git a/home/xyz/.local/bin/upd b/home/xyz/.local/bin/upd
new file mode 100755
index 00000000..65452b37
--- /dev/null
+++ b/home/xyz/.local/bin/upd
@@ -0,0 +1,120 @@
+#!/bin/sh
+
+all ()
+{
+	fast
+	usb
+	qb
+	ncm
+	kg
+	refl
+	gall
+}
+
+# not in all
+clean ()
+{
+	nsxiv -c
+	# my ways
+	# -exec can't replace -execdir here
+	find "$XDG_CACHE_HOME/nsxiv/" -depth -type d -empty -execdir rmdir -- '{}' \+
+	# -exec can replace -execdir here
+	#find "$XDG_CACHE_HOME/nsxiv/" -depth -type d -execdir rmdir --ignore-fail-on-non-empty -- '{}' \+
+	# nsxiv man page way
+	#find "$XDG_CACHE_HOME/nsxiv/" -depth -type d -empty ! -name '.' -exec rmdir -- '{}' \;
+	rm "$HOME/.mozilla/firefox/xxxxxxxx.fly/prefs.js.backup."*
+}
+
+fast ()
+{
+	pac
+	misc
+}
+
+gall ()
+{
+	gallery-dl --download-archive "$XDG_DOCUMENTS_DIR/database/gallery-dl.sqlite3" -d "$XDG_PICTURES_DIR/anime/gallery-dl/" -i "$XDG_CONFIG_HOME/myconf/gallery_urls"
+}
+
+userjs ()
+{
+	kill $(pidof "$BROWSER")
+	"$HOME/.mozilla/firefox/xxxxxxxx.fly/prefsCleaner.sh" -s
+	"$HOME/.mozilla/firefox/xxxxxxxx.fly/updater.sh" -us
+}
+
+g ()
+{
+	curlkg -u649b9e82272a348b -- "$XDG_MUSIC_DIR/not_pure/lan_lan/kg/"
+	curlkg -u64949d822c25328c -- "$XDG_MUSIC_DIR/not_pure/cheng_ruan/kg/"
+}
+
+misc ()
+{
+	cfg -c submodule foreach git pull
+	nvim +PlugUpgrade +PlugClean! +PlugUpdate +qa
+	tldr --update
+	sudo hardcode-fixer
+	userjs
+}
+
+ncm ()
+{
+	curlncm -a48860966 -- "$XDG_MUSIC_DIR/not_pure/lan_lan/ncm/artist/"
+	curlncm -a46703185 -- "$XDG_MUSIC_DIR/not_pure/cheng_ruan/ncm/artist/"
+	curlncm -r793052426 -- "$XDG_MUSIC_DIR/not_pure/lan_lan/ncm/djradio/"
+	curlncm -r792968433 -- "$XDG_MUSIC_DIR/not_pure/cheng_ruan/ncm/djradio/"
+}
+
+pac ()
+{
+	sudo pacman --noconfirm -Syu
+	paru --noconfirm -aSyu
+	# part steal from aur comment
+	# sometimes "ERROR: Failure while downloading": https://github.com/neovim/neovim/issues/15709
+	rm -rf ~/.cache/paru/clone/neovim-nightly-bin/ && yes 1 | PARU_PAGER=cat paru --rebuild --redownload neovim-nightly-bin
+	sudo pacman -Fy
+}
+
+qb ()
+{
+	rm -r -- "$HOME/programs/qbittorrent_search_plugins/"
+	curlqb "$HOME/programs/qbittorrent_search_plugins/"
+}
+
+refl ()
+{
+	sudo reflector --save /etc/pacman.d/mirrorlist --latest 200 --sort rate
+}
+
+usb ()
+{
+	cfg -c push usb
+	cfg -l push usb
+	cfg -s push
+	git --git-dir="$XDG_DOCUMENTS_DIR/notes/.git" --work-tree="$XDG_DOCUMENTS_DIR/notes/" push usb
+}
+
+
+if [ $# -eq 0 ]; then
+	fast
+else
+	while getopts acfgjkmnpqru opt; do
+		case $opt in
+			a)all;;
+			# not in all
+			c)clean;;
+			f)fast;;
+			g)gall;;
+			j)userjs;;
+			k)kg;;
+			m)misc;;
+			n)ncm;;
+			p)pac;;
+			q)qb;;
+			r)refl;;
+			u)usb;;
+			\?)exit 1;;
+		esac
+	done
+fi