-#
+#! /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: $_status_code"
+ fi
+}
+
+dl() {
+ local -r timestamp="$(date --iso-8601=ns)"
+ local -r dir="$HOME"/dl/adhoc/"$timestamp"
+ local -r url_file_path="${dir}/url"
+
+ mkdir -p "$dir"
+ touch "$url_file_path"
+ cd "$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)
- }'
+ 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=$1" | jq '.data'
}
-# Colorful man
+## Colorful man
+## man : string -> string
man() {
# mb: begin blink
# md: begin bold
command man "$@"
}
-# new experiment
+## new experiment
+## x : string list -> unit
x() {
cd "$(~/bin/x $@)" || kill -INT $$
}
+## ocaml repl
+## hump : unit -> unit
hump() {
ledit -l "$(stty size | awk '{print $2}')" ocaml $@
}
+## search howtos
+## howto : unit -> string
howto() {
cat "$(find ~/arc/doc/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
}
local -r uri="$2"
local -r opts="$3"
- local -r id=$(youtube-dlc --get-id "$uri")
- local -r title=$(youtube-dlc --get-title "$uri" | sed 's/[^A-Za-z0-9._-]/_/g')
+ local -r yt=youtube-dl
+ local -r id=$("$yt" --get-id "$uri")
+ local -r title=$("$yt" --get-title "$uri" | sed 's/[^А-Яа-яA-Za-z0-9._-]/_/g')
local -r dir="${base_dir}/${title}--${id}"
mkdir -p "$dir"
cd "$dir" || kill -INT $$
echo "$uri" > 'uri'
- youtube-dlc $opts -c --write-description --write-info-json "$uri"
+ "$yt" $opts -c --write-all-thumbnails --write-description --write-info-json "$uri"
}
yt_audio() {
}
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/$user_name/repos?page=1&per_page=10000"
}
gh_clone() {
mkdir -p "$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
$(date '+%F %A')
work_log() {
mkdir -p "$DIR_WORK_LOG"
- local -r 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
echo 'accounting'
- printf '%stmux\n%ssessions %d, clients %d\n' \
- "$indent_unit" \
- "${indent_unit}${indent_unit}" \
- "$(tmux list-sessions 2> /dev/null | wc -l)" \
- "$(tmux list-clients 2> /dev/null | wc -l)"
+ # TODO Bring back seesion and client listing, but per server/socket.
+ printf '%stmux\n' "$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}${indent_unit}"
echo
echo
printf '%smem by proc\n' "$indent_unit"
- ps -eo rss,cmd \
+ ps -eo rss,comm \
| awk -v total="$(free | awk '$1 == "Mem:" {print $2; exit}')" '
NR > 1 {
rss = $1
- cmd = $2
- n = split(cmd, path, "/") # _may_ be a path
- proc = path[n]
+ proc = $2
by_proc[proc] += rss
}
echo
+ local _dir temp_input label_file label
+
printf '%sthermal\n' "$indent_unit"
- for _dir in /sys/class/thermal/thermal_zone*
- do
- printf '%s %.2f C\n' \
- $(cat "$_dir"/type) \
- $(( $(cat "$_dir"/temp) / 1000 ))
+ 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 "$indent_unit"
done \
- | column -t \
| indent "${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 $NF}' )
+ #local -r internet_addr=$(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}internet"
+ #echo "${indent_unit}${indent_unit}$internet_addr $internet_ptr"
echo "${indent_unit}if"
(ifconfig; iwconfig) 2> /dev/null \
| awk '
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"
- }
- }'
+ 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: ' "${indent_unit}${indent_unit}"
+ printf '%sTCP\t' "${indent_unit}${indent_unit}"
sudo -n netstat -tnp \
| awk 'NR > 2 && $6 == "ESTABLISHED" {print $7}' \
- | awk -F/ '{print $2}' \
+ | awk '{sub("^[0-9]+/", ""); print}' \
| sort -u \
| xargs \
| column -t
# TODO: iptables summary
}
-ssh_invalid_attempts_from() {
+ssh_invalid_by_addr() {
awk '
/: Invalid user/ && $5 ~ /^sshd/ {
- u=$8
addr=$10 == "port" ? $9 : $10
max++
- curr[addr]++
+ by_addr[addr]++
+ }
+
+ END {
+ for (addr in by_addr)
+ if ((c = by_addr[addr]) > 1)
+ printf "%d %d %s\n", c, max, addr
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -n -k 1 \
+ | bar_gauge -v width="$(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 (addr in curr)
- if ((c = curr[addr]) > 1)
- print c, max, addr
+ for (user in by_user)
+ if ((c = by_user[user]) > 1)
+ printf "%d %d %s\n", c, max, user
}
' \
/var/log/auth.log \