-#
+#! /bin/bash
+
+## open : string -> unit
+##
+## Fork xdg-open so we don't block current terminal session when opening
+## things like pdf files. For example:
+##
+## open book.pdf
+##
+open() {
+ (xdg-open "$1" &) &
+}
+
+## notify_done : unit -> unit
+notify_done() {
+ local -r _status_code="$?"
+ local -r _program="$1"
+ local _timestamp
+ _timestamp="$(timestamp)"
+ local -r _msg="$_timestamp [$_program] done "
+ if [[ "$_status_code" -eq 0 ]]
+ then
+ notify-send -u normal "$_msg OK: $_status_code"
+ else
+ notify-send -u critical "$_msg ERROR: $_status_code"
+ fi
+}
+
+_dl_script() {
+cat << EOF
+#! /bin/bash
+wget -c \$(< ./url)
+EOF
+}
+
+dl() {
+ local -r name="$1"
+ local -r url="$2"
+
+ local -r timestamp="$(date --iso-8601=ns)"
+ local -r dir="$HOME"/dl/adhoc/"$timestamp"--"$name"
+ local -r url_file_path="${dir}/url"
+ local -r dl_file_path="${dir}/dl"
+ mkdir -p "$dir"
+ touch "$url_file_path"
+ if [ "$url" != '' ]
+ then
+ echo "$url" > "$url_file_path"
+ fi
+ _dl_script > "$dl_file_path"
+ chmod +x "$dl_file_path"
+ cd "$dir"
+}
+
+## web search
+## ws : string -> unit
+ws() {
+ local line search_string0 search_string
+
+ search_string0="$*"
+ case "$search_string0" in
+ '')
+ while read -r line; do
+ search_string="${search_string} ${line}"
+ done;;
+ *)
+ search_string="$search_string0";;
+ esac
+
+ firefox --search "$search_string"
+}
+
+
+## dictionary
+## d : string -> string list
d() {
local -r word=$(fzf < /usr/share/dict/words)
dict "$word"
}
+## shell_activity_report : (mon | dow) -> string list
shell_activity_report() {
# TODO: optional concrete number output
# TODO: optional combinations of granularities: hour, weekday, month, year
}'
}
+## top_commands : unit -> (command:string * count:number * bar:string) list
top_commands() {
history \
| awk '
| column -t
}
-# Top Disk-Using directories
-# TODO: Consider using numfmt instead of awk
+## Top Disk-Using directories
+## tdu : path-string -> (size:number * directory:path-string) list
tdu() {
- du "$1" \
- | sort -n -k 1 \
- | tail -50 \
- | awk '
- {
- size = $1
- path = $0
- sub("^" $1 "\t+", "", path)
- gb = size / 1024 / 1024
- printf("%f\t%s\n", gb, path)
- }' \
- | cut -c 1-115
+ local -r root_path="$1"
+
+ du -h "$root_path" \
+ | sort -r -h -k 1 \
+ | head -50 \
+ | tac
+ # A slight optimization: head can exit before traversing the full input.
}
-# Top Disk-Using Files
+## Top Disk-Using Files
+## tduf : path-string list -> (size:number * file:path-string) list
tduf() {
- find "$1" -type f -printf '%s\t%p\0' \
+ find "$@" -type f -printf '%s\t%p\0' \
| sort -z -n -k 1 \
| tail -z -n 50 \
- | gawk -v RS='\0' '
- {
- size = $1
- path = $0
- sub("^" $1 "\t+", "", path)
- gb = size / 1024 / 1024 / 1024
- printf("%f\t%s\n", gb, path)
- }'
+ | numfmt -z --to=iec \
+ | tr '\0' '\n'
}
# Most-recently modified file system objects
+## recent : ?(path-string list) -> path-string list
recent() {
# NOTES:
- # - intentionally not quoting the parameters, so that some can be ignored
- # if not passed, rather than be passed to find as an empty string;
# - %T+ is a GNU extension;
# - gawk is able to split records on \0, while awk cannot.
- find $@ -printf '%T@ %T+ %p\0' \
+ find "$@" -printf '%T@ %T+ %p\0' \
| tee >(gawk -v RS='\0' 'END { printf("[INFO] Total found: %d\n", NR); }') \
| sort -z -k 1 -n -r \
| head -n "$(stty size | awk 'NR == 1 {print $1 - 5}')" -z \
}'
}
+## recent_dirs : ?(path-string list) -> path-string list
recent_dirs() {
- recent "$1" -type d
+ recent "$@" -type d
}
+## recent_files : ?(path-string list) -> path-string list
recent_files() {
- recent "$1" -type f
+ recent "$@" -type f
}
+## pa_def_sink : unit -> string
pa_def_sink() {
pactl info | awk '/^Default Sink:/ {print $3}'
}
+## void_pkgs : ?(string) -> json
void_pkgs() {
curl "https://xq-api.voidlinux.org/v1/query/x86_64?q=$1" | jq '.data'
}
-# Colorful man
+## Colorful man
+## man : string -> string
man() {
# mb: begin blink
# md: begin bold
command man "$@"
}
-experiment() {
- cd "$(~/bin/experiment $@)" || kill -INT $$
+## new experiment
+## x : string list -> unit
+x() {
+ cd "$(~/bin/x $@)" || kill -INT $$
}
+## ocaml repl
+## hump : unit -> unit
hump() {
ledit -l "$(stty size | awk '{print $2}')" ocaml $@
}
+## search howtos
+## howto : unit -> string
howto() {
- cat "$(find ~/Archives/Documents/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
+ cat "$(find ~/arc/doc/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
}
-yt() {
- local _yt_uri
- local _yt_id
- local _yt_title
- local _yt_dir
+_yt() {
+ local -r base_dir="$1"
+ local -r uri="$2"
+ local -r opts="$3"
- _yt_uri="$1"
- _yt_id=$(youtube-dl --get-id "$_yt_uri")
- _yt_title=$(youtube-dl --get-title "$_yt_uri")
- _yt_dir="${DIR_YOUTUBE}/individual-videos/${_yt_title}--${_yt_id}"
+ local -r yt=youtube-dl
+ local -r id=$("$yt" --get-id "$uri")
+ local -r title=$("$yt" --get-title "$uri" | sed 's/[^А-Яа-яA-Za-z0-9._-]/_/g')
+ local -r dir="${base_dir}/${title}--${id}"
- mkdir -p "$_yt_dir"
- cd "$_yt_dir" || kill -INT $$
- echo "$_yt_uri" > 'uri'
- youtube-dl -c --write-description --write-info-json "$_yt_uri"
+ mkdir -p "$dir"
+ cd "$dir" || kill -INT $$
+ echo "$uri" > 'uri'
+ "$yt" $opts -c --write-all-thumbnails --write-description --write-info-json "$uri"
+}
+
+yt_audio() {
+ local -r uri="$1"
+ _yt "${DIR_YOUTUBE_AUDIO}/individual" "$uri" '-f 140'
+}
+
+yt_video() {
+ local -r uri="$1"
+ _yt "${DIR_YOUTUBE_VIDEO}/individual" "$uri"
}
gh_fetch_repos() {
- curl "https://api.github.com/$1/$2/repos?page=1&per_page=10000"
+ local -r user_type="$1"
+ local -r user_name="$2"
+
+ curl "https://api.github.com/$user_type/$user_name/repos?page=1&per_page=10000"
}
gh_clone() {
- gh_user_type="$1"
- gh_user_name="$2"
- gh_dir="${DIR_GITHUB}/${gh_user_name}"
+ local -r gh_user_type="$1"
+ local -r gh_user_name="$2"
+
+ local -r gh_dir="${DIR_GITHUB}/${gh_user_name}"
mkdir -p "$gh_dir"
cd "$gh_dir" || kill -INT $$
gh_fetch_repos "$gh_user_type" "$gh_user_name" \
- | jq --raw-output '.[] | select(.fork | not) | .git_url' \
+ | jq --raw-output '.[] | select(.fork | not) | .clone_url' \
| parallel -j 25 \
git clone {}
}
git clone "$1"
}
+bar() {
+ local -r len="${1:-79}" # 1st arg or 79.
+ local -r char="${2:--}" # 2nd arg or a dash.
+ for _ in {1.."$len"}; do
+ printf '%c' "$char";
+ done
+}
+
+daily_todo_file_template() {
+cat << EOF
+===============================================================================
+$(date '+%F %A')
+===============================================================================
+
+-------------------------------------------------------------------------------
+TODAY
+-------------------------------------------------------------------------------
+
+
+-------------------------------------------------------------------------------
+CURRENT
+-------------------------------------------------------------------------------
+
+
+-------------------------------------------------------------------------------
+BLOCKED
+-------------------------------------------------------------------------------
+
+
+-------------------------------------------------------------------------------
+BACKLOG
+-------------------------------------------------------------------------------
+EOF
+}
+
+today() {
+ local date
+ date="$(date +%F)"
+ local -r dir="$DIR_TODO/daily"
+ local -r file="$dir/$date.txt"
+
+ mkdir -p "$dir"
+ if [ ! -f "$file" ]
+ then
+ daily_todo_file_template > "$file"
+ fi
+ cd "$DIR_TODO" && "$EDITOR" $EDITOR_ARGS "$file"
+}
+
+todo() {
+ cd "$DIR_TODO" && "$EDITOR" TODO
+}
+
work_log_template() {
cat << EOF
$(date '+%F %A')
Morning report
--------------
-### Previous
+### Prev
-### Current
+### Curr
+
+### Next
### Blockers
work_log() {
mkdir -p "$DIR_WORK_LOG"
- file_work_log_today="${DIR_WORK_LOG}/$(date +%F).md"
+ local -r file_work_log_today="${DIR_WORK_LOG}/daily-$(date +%F).md"
if [ ! -f "$file_work_log_today" ]
then
work_log_template > "$file_work_log_today"
vim -c 'set spell' "$DIR_NOTES/$(date +'%Y_%m_%d--%H_%M_%S%z')--$1.md"
}
-weather() {
- local _weather_location
- case "$1" in
- '') _weather_location="$WEATHER_LOCATION";;
- *) _weather_location="$1"
- esac
- curl "http://wttr.in/$_weather_location?format=v2"
+_bt_devs_infos() {
+ # grep's defintion of a line does not include \r, wile awk's does and
+ # which bluetoothctl outputs
+ awk '/^Device +/ {print $2}' \
+ | xargs -I% sh -c 'echo info % | bluetoothctl' \
+ | awk '/^Device |^\t[A-Z][A-Za-z0-9]+: /'
}
bt_devs_paired() {
- bluetoothctl -- paired-devices \
- | awk '{print $2}' \
- | xargs bluetoothctl -- info
+ echo 'paired-devices' | bluetoothctl | _bt_devs_infos
}
bt_devs() {
- bluetoothctl -- devices \
- | awk '{print $2}' \
- | xargs bluetoothctl -- info
+ echo 'devices' | bluetoothctl | _bt_devs_infos
}
run() {
- stderr="$(mktemp)"
+ local -r stderr="$(mktemp)"
+
+ local code urgency
+
$@ 2> >(tee "$stderr")
code="$?"
- urgency=''
case "$code" in
0) urgency='normal';;
*) urgency='critical'
notify-send -u "$urgency" "Job done: $code" "$(cat $stderr)"
rm "$stderr"
}
+
+bar_gauge() {
+ awk "$@" '
+ BEGIN {
+ # CLI options
+ width = width ? width : 80
+ ch_left = ch_left ? ch_left : "["
+ ch_right = ch_right ? ch_right : "]"
+ ch_blank = ch_blank ? ch_blank : "-"
+ ch_used = ch_used ? ch_used : "|"
+ num = num ? 1 : 0
+ pct = pct ? 1 : 0
+ }
+
+ {
+ cur = $1
+ max = $2
+ lab = $3
+
+ cur_scaled = num_scale(cur, max, 1, width)
+
+ printf \
+ "%s%s%s%s", \
+ lab ? lab " " : "", \
+ num ? cur "/" max " " : "", \
+ pct ? sprintf("%3.0f%% ", cur / max * 100) : "", \
+ ch_left
+ for (i=1; i<=width; i++) {
+ c = i <= cur_scaled ? ch_used : ch_blank
+ printf "%s", c
+ }
+ printf "%s\n", ch_right
+ }
+
+ function num_scale(src_cur, src_max, dst_min, dst_max) {
+ return dst_min + ((src_cur * (dst_max - dst_min)) / src_max)
+ }
+ '
+}
+
+flat_top_5() {
+ sort -n -k 1 -r \
+ | head -5 \
+ | awk '
+ {
+ cur = $1
+ max = $2
+ name = $3
+ pct = cur / max * 100
+ printf "%s%s %.2f%%", sep, name, pct
+ sep = ", "
+ }
+
+ END {printf "\n"}
+ '
+}
+
+internet_addr() {
+ curl --silent --show-error --max-time "${1:=1}" 'https://api.ipify.org' 2>&1
+}
+
+status_batt() {
+ case "$(uname)" in
+ 'Linux')
+ if which upower > /dev/null
+ then
+ upower --dump \
+ | awk '
+ /^Device:[ \t]+/ {
+ device["path"] = $2
+ next
+ }
+
+ / battery/ && device["path"] {
+ device["is_battery"] = 1
+ next
+ }
+
+ / percentage:/ && device["is_battery"] {
+ device["battery_percentage"] = $2
+ sub("%$", "", device["battery_percentage"])
+ next
+ }
+
+ /^$/ {
+ if (device["is_battery"] && device["path"] == "/org/freedesktop/UPower/devices/DisplayDevice")
+ print device["battery_percentage"], 100, "batt"
+ delete device
+ }
+ '
+ fi
+ ;;
+ esac
+}
+
+indent() {
+ awk -v unit="$1" '{printf "%s%s\n", unit, $0}'
+}
+
+status() {
+ local -r indent_unit=' '
+
+ uname -srvmo
+ hostname | figlet
+ uptime
+
+ echo
+
+ echo 'accounting'
+
+ # TODO Bring back seesion and client listing, but per server/socket.
+ printf '%stmux\n' "$indent_unit"
+ ps -eo comm,cmd \
+ | awk '
+ # Expecting lines like:
+ # "tmux: server tmux -L pistactl new-session -d -s pistactl"
+ # "tmux: client tmux -L foo"
+ # "tmux: client tmux -Lbar"
+ # "tmux: client tmux"
+ # "tmux: server tmux -L foo -S bar" <-- -S takes precedence
+ /^tmux:/ {
+ # XXX This of course assumes pervasive usage of -L
+ # TODO Handle -S
+ role=$2
+
+ split($0, sides_of_S, "-S")
+ split(sides_of_S[2], words_right_of_S, FS)
+
+ split($0, sides_of_L, "-L")
+ split(sides_of_L[2], words_right_of_L, FS)
+
+ if (words_right_of_S[1]) {
+ sock = "path." words_right_of_S[1]
+ } else if (words_right_of_L[1]) {
+ sock = "name." words_right_of_L[1]
+ } else {
+ sock = "default"
+ }
+
+ roles[role]++
+ socks[sock]++
+ count[role, sock]++
+ }
+
+ END {
+ for (sock in socks) {
+ clients = count["client", sock]
+ printf "%s ", sock
+ if (clients) {
+ printf "<-> %d", clients
+ }
+ printf "\n"
+ }
+ printf "\n"
+ }' \
+ | sort \
+ | column -t \
+ | indent "${indent_unit}${indent_unit}"
+
+ echo
+
+ printf '%sprocs by user\n' "${indent_unit}"
+ ps -eo user \
+ | awk '
+ NR > 1 {
+ count_by_user[$1]++
+ total++
+ }
+
+ END {
+ for (user in count_by_user)
+ print count_by_user[user], total, user
+ }
+ ' \
+ | flat_top_5 \
+ | indent "${indent_unit}${indent_unit}"
+
+ echo
+
+ echo 'resources'
+ (
+ free | awk '$1 == "Mem:" {print $3, $2, "mem"}'
+ df ~ | awk 'NR == 2 {print $3, $3 + $4, "disk"}'
+ status_batt
+ ) \
+ | bar_gauge -v width=60 -v pct=1 \
+ | column -t \
+ | indent "$indent_unit"
+
+ echo
+
+ printf '%smem by proc\n' "$indent_unit"
+ ps -eo rss,comm \
+ | awk -v total="$(free | awk '$1 == "Mem:" {print $2; exit}')" '
+ NR > 1 {
+ rss = $1
+ proc = $2
+ by_proc[proc] += rss
+ }
+
+ END {
+ for (proc in by_proc)
+ print by_proc[proc], total, proc
+ }
+ ' \
+ | flat_top_5 \
+ | indent "${indent_unit}${indent_unit}"
+
+ echo
+
+ local _dir temp_input label_file label
+
+ printf '%sthermal\n' "$indent_unit"
+ for _dir in /sys/class/hwmon/hwmon*; do
+ cat "$_dir"/name
+ find "$_dir"/ -name 'temp*_input' \
+ | while read -r temp_input; do
+ label_file=${temp_input//_input/_label}
+ if [ -f "$label_file" ]; then
+ label=$(< "$label_file")
+ else
+ label=''
+ fi
+ awk -v label="$label" '{
+ if (label)
+ label = sprintf(" (%s)", label)
+ printf("%.2f°C%s\n", $1 / 1000, label)
+ }' \
+ "$temp_input"
+ done \
+ | sort \
+ | indent "$indent_unit"
+ done \
+ | indent "${indent_unit}${indent_unit}"
+
+ echo 'net'
+ #local -r internet_addr=$(internet_addr 0.5)
+ #local -r internet_ptr=$(host -W 1 "$internet_addr" | awk 'NR == 1 {print $NF}' )
+
+ #echo "${indent_unit}internet"
+ #echo "${indent_unit}${indent_unit}$internet_addr $internet_ptr"
+ echo "${indent_unit}if"
+ (ifconfig; iwconfig) 2> /dev/null \
+ | awk '
+ /^[^ ]/ {
+ device = $1
+ sub(":$", "", device)
+ if ($4 ~ "ESSID:") {
+ _essid = $4
+ sub("^ESSID:\"", "", _essid)
+ sub("\"$", "", _essid)
+ essid[device] = _essid
+ }
+ next
+ }
+
+ /^ / && $1 == "inet" {
+ address[device] = $2
+ next
+ }
+
+ /^ +Link Quality=[0-9]+\/[0-9]+ +Signal level=/ {
+ split($2, lq_parts_eq, "=")
+ split(lq_parts_eq[2], lq_parts_slash, "/")
+ cur = lq_parts_slash[1]
+ max = lq_parts_slash[2]
+ link[device] = cur / max * 100
+ next
+ }
+
+ END {
+ for (device in address)
+ if (device != "lo") {
+ l = link[device]
+ e = essid[device]
+ l = l ? sprintf("%.0f%%", l) : "--"
+ e = e ? e : "--"
+ print device, address[device], e, l
+ }
+ }
+ ' \
+ | column -t \
+ | indent "${indent_unit}${indent_unit}"
+
+ # WARN: ensure: $USER ALL=(ALL) NOPASSWD:/bin/netstat
+
+ echo "${indent_unit}-->"
+
+ # TODO Populate pid->cmd dict from `ps -eo pid,comm` and lookup progs there
+ # since netstat -p output comes out truncated.
+
+ sudo -n netstat -tulnp \
+ | awk -v indent="${indent_unit}${indent_unit}" '
+ NR > 2 && ((/^tcp/ && proc = $7) || (/^udp/ && proc = $6)) {
+ protocol = $1
+ addr = $4
+ port = a[split(addr, a, ":")]
+ name = p[split(proc, p, "/")]
+ names[name] = 1
+ protocols[protocol] = 1
+ if (!seen[protocol, name, port]++)
+ ports[protocol, name, ++seen[protocol, name]] = port
+ }
+
+ END {
+ for (protocol in protocols) {
+ printf "%s%s\t", indent, toupper(protocol)
+ for (name in names) {
+ if (n = seen[protocol, name]) {
+ sep = ""
+ printf "%s:", name
+ for (i = 1; i <= n; i++) {
+ printf "%s%d", sep, ports[protocol, name, i]
+ sep = ","
+ }
+ printf " "
+ }
+ }
+ printf "\n"
+ }
+ }'
+
+ echo "${indent_unit}<->"
+
+ printf '%sTCP\t' "${indent_unit}${indent_unit}"
+ sudo -n netstat -tnp \
+ | awk 'NR > 2 && $6 == "ESTABLISHED" {print $7}' \
+ | awk '{sub("^[0-9]+/", ""); print}' \
+ | sort -u \
+ | xargs \
+ | column -t
+
+ # TODO: iptables summary
+}
+
+ssh_invalid_by_addr() {
+ awk '
+ /: Invalid user/ && $5 ~ /^sshd/ {
+ addr=$10 == "port" ? $9 : $10
+ max++
+ by_addr[addr]++
+ }
+
+ END {
+ for (addr in by_addr)
+ if ((c = by_addr[addr]) > 1)
+ printf "%d %d %s\n", c, max, addr
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -n -k 1 \
+ | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
+
+ssh_invalid_by_day() {
+ awk '
+ BEGIN {
+ m["Jan"] = "01"
+ m["Feb"] = "02"
+ m["Mar"] = "03"
+ m["Apr"] = "04"
+ m["May"] = "05"
+ m["Jun"] = "06"
+ m["Jul"] = "07"
+ m["Aug"] = "08"
+ m["Sep"] = "09"
+ m["Oct"] = "10"
+ m["Nov"] = "11"
+ m["Dec"] = "12"
+ }
+
+ /: Invalid user/ && $5 ~ /^sshd/ {
+ day = m[$1] "-" $2
+ max++
+ by_day[day]++
+ }
+
+ END {
+ for (day in by_day)
+ if ((c = by_day[day]) > 1)
+ printf "%d %d %s\n", c, max, day
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -k 3 \
+ | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
+
+ssh_invalid_by_user() {
+ awk '
+ /: Invalid user/ && $5 ~ /^sshd/ {
+ user=$8
+ max++
+ by_user[user]++
+ }
+
+ END {
+ for (user in by_user)
+ if ((c = by_user[user]) > 1)
+ printf "%d %d %s\n", c, max, user
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -n -k 1 \
+ | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
+
+loggers() {
+ awk '
+ {
+ split($5, prog, "[")
+ sub(":$", "", prog[1]) # if there were no [], than : will is left behind
+ print prog[1]
+ }' /var/log/syslog /var/log/syslog.1 \
+ | awk '
+ {
+ n = split($1, path, "/") # prog may be in path form
+ prog = path[n]
+ total++
+ count[prog]++
+ }
+
+ END {
+ for (prog in count)
+ print count[prog], total, prog
+ }' \
+ | sort -n -k 1 \
+ | bar_gauge -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
home / code / khome.git / blobdiff