+#
+
+d() {
+ local -r word=$(fzf < /usr/share/dict/words)
+ dict "$word"
+}
+
+shell_activity_report() {
+ # TODO: optional concrete number output
+ # TODO: optional combinations of granularities: hour, weekday, month, year
+ local group_by="$1"
+ case "$group_by" in
+ 'mon') ;;
+ 'dow') ;;
+ '') group_by='dow';;
+ *)
+ echo "Usage: $0 [mon|dow]" >&2
+ kill -INT $$
+ esac
+ history \
+ | awk -v group_by="$group_by" '
+ function date2dow(y, m, d, _t, _i) {
+ # Contract:
+ # y > 1752, 1 <= m <= 12.
+ # Source:
+ # Sakamoto`s methods
+ # https://en.wikipedia.org/wiki/Determination_of_the_day_of_the_week#Sakamoto%27s_methods
+ _t[ 0] = 0
+ _t[ 1] = 3
+ _t[ 2] = 2
+ _t[ 3] = 5
+ _t[ 4] = 0
+ _t[ 5] = 3
+ _t[ 6] = 5
+ _t[ 7] = 1
+ _t[ 8] = 4
+ _t[ 9] = 6
+ _t[10] = 2
+ _t[11] = 4
+ y -= m < 3
+ _i = int(y + y/4 - y/100 + y/400 + _t[m - 1] + d) % 7
+ _i = _i == 0 ? 7 : _i # Make Sunday last
+ return _i
+
+ }
+
+ {
+ # NOTE: $2 & $3 are specific to oh-my-zsh history output
+ date = $2
+ time = $3
+ d_fields = split(date, d, "-")
+ t_fields = split(time, t, ":")
+ if (t_fields && d_fields) {
+ # +0 to coerce number from string
+ year = d[1] + 0
+ month = d[2] + 0
+ day = d[3] + 0
+ hour = t[1] + 0
+ dow = date2dow(year, month, day)
+ g = group_by == "mon" ? month : dow # dow is default
+ c = count[g, hour]++
+ }
+ if (c > max)
+ max = c
+ }
+
+ END {
+ w[1] = "Monday"
+ w[2] = "Tuesday"
+ w[3] = "Wednesday"
+ w[4] = "Thursday"
+ w[5] = "Friday"
+ w[6] = "Saturday"
+ w[7] = "Sunday"
+
+ m[ 1] = "January"
+ m[ 2] = "February"
+ m[ 3] = "March"
+ m[ 4] = "April"
+ m[ 5] = "May"
+ m[ 6] = "June"
+ m[ 7] = "July"
+ m[ 8] = "August"
+ m[ 9] = "September"
+ m[10] = "October"
+ m[11] = "November"
+ m[12] = "December"
+
+ n = group_by == "mon" ? 12 : 7 # dow is default
+
+ for (gid = 1; gid <= n; gid++) {
+ group = group_by == "mon" ? m[gid] : w[gid]
+ printf "%s\n", group;
+ for (hour=0; hour<24; hour++) {
+ c = count[gid, hour]
+ printf " %2d ", hour
+ for (i = 1; i <= (c * 100) / max; i++)
+ printf "|"
+ printf "\n"
+ }
+ }
+ }'
+}
+
+top_commands() {
+ history \
+ | awk '
+ {
+ count[$4]++
+ }
+
+ END {
+ for (cmd in count)
+ print count[cmd], cmd
+ }' \
+ | sort -n -r -k 1 \
+ | head -50 \
+ | awk '
+ {
+ cmd[NR] = $2
+ c = count[NR] = $1 + 0 # + 0 to coerce number from string
+ if (c > max)
+ max = c
+ }
+
+ END {
+ for (i = 1; i <= NR; i++) {
+ c = count[i]
+ printf "%s %d ", cmd[i], c
+ scaled = (c * 100) / max
+ for (j = 1; j <= scaled; j++)
+ printf "|"
+ printf "\n"
+ }
+ }' \
+ | column -t
+}
+
# Top Disk-Using directories
# TODO: Consider using numfmt instead of awk
tdu() {
du "$1" \
- | sort -n -k 1 -r --parallel="$(nproc)" \
- | head -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
+ paths[path] = size
+ if (size > max)
+ max = size
+ }
+
+ END {
+ for (path in paths) {
+ size = paths[path]
+ pct = 100 * (size / max)
+ gb = size / 1024 / 1024
+ printf("%6.2f %3d%% %s\n", gb, pct, path)
+ }
+ }
+ ' \
+ | sort -r -n -k 1 \
+ | head -50 \
+ | tac
+ # A slight optimization: head can exit before traversing the full input.
}
# Top Disk-Using Files
tduf() {
find "$1" -type f -printf '%s\t%p\0' \
- | sort -z -n -k 1 -r \
- | head -z -n 50 \
+ | sort -z -n -k 1 \
+ | tail -z -n 50 \
| gawk -v RS='\0' '
{
size = $1
# Colorful man
man() {
- LESS_TERMCAP_md=$'\e[01;31m' \
+ # mb: begin blink
+ # md: begin bold
+ # me: end bold, blink and underline
+ #
+ # so: begin standout (reverse video)
+ # se: end standout
+ #
+ # us: begin underline
+ # ue: end underline
+
+ LESS_TERMCAP_md=$'\e[01;30m' \
LESS_TERMCAP_me=$'\e[0m' \
- LESS_TERMCAP_se=$'\e[0m' \
LESS_TERMCAP_so=$'\e[01;44;33m' \
+ LESS_TERMCAP_se=$'\e[0m' \
+ LESS_TERMCAP_us=$'\e[01;33m' \
LESS_TERMCAP_ue=$'\e[0m' \
- LESS_TERMCAP_us=$'\e[01;32m' \
command man "$@"
}
-experiment() {
- cd "$(~/bin/experiment $@)" || exit 1
+# new experiment
+x() {
+ cd "$(~/bin/x $@)" || kill -INT $$
}
hump() {
}
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 -r base_dir="$1"
+ local -r uri="$2"
+ local -r opts="$3"
+
+ local -r id=$(youtube-dlc --get-id "$uri")
+ local -r title=$(youtube-dlc --get-title "$uri" | sed 's/[^A-Za-z0-9._-]/_/g')
+ local -r dir="${base_dir}/${title}--${id}"
+
+ mkdir -p "$dir"
+ cd "$dir" || kill -INT $$
+ echo "$uri" > 'uri'
+ youtube-dlc $opts -c --write-description --write-info-json "$uri"
+}
+
+yt_audio() {
+ local -r uri="$1"
+ _yt "${DIR_YOUTUBE_AUDIO}/individual" "$uri" '-f 140'
+}
+
+yt_video() {
+ local -r uri="$1"
+ _yt "${DIR_YOUTUBE_VIDEO}/individual" "$uri"
}
gh_fetch_repos() {
- curl "https://api.github.com/$1/$2/repos?page=1&per_page=10000"
+ local -r user_type="$1"
+ local -r user_name="$2"
+
+ curl "https://api.github.com/$user_type/$user_name/repos?page=1&per_page=10000"
}
gh_clone() {
- gh_user_type="$1"
- gh_user_name="$2"
- gh_dir="${DIR_GITHUB}/${gh_user_name}"
+ local -r gh_user_type="$1"
+ local -r gh_user_name="$2"
+
+ local -r gh_dir="${DIR_GITHUB}/${gh_user_name}"
mkdir -p "$gh_dir"
- cd "$gh_dir" || exit 1
+ cd "$gh_dir" || kill -INT $$
gh_fetch_repos "$gh_user_type" "$gh_user_name" \
| jq --raw-output '.[] | select(.fork | not) | .git_url' \
| parallel -j 25 \
gh_username=$(echo "$1" | awk -F / '"$1 == "https" && $3 == github.com" {print $4}')
gh_dir="${DIR_GITHUB}/${gh_username}"
mkdir -p "$gh_dir"
- cd "$gh_dir" || exit 1
+ cd "$gh_dir" || kill -INT $$
git clone "$1"
}
work_log_template() {
cat << EOF
-$(date +%F)
+$(date '+%F %A')
==========
Morning report
--------------
-### Previous
+### Prev
+
+### Curr
-### Current
+### Next
### Blockers
work_log() {
mkdir -p "$DIR_WORK_LOG"
- file_work_log_today="${DIR_WORK_LOG}/$(date +%F).md"
+ local -r file_work_log_today="${DIR_WORK_LOG}/$(date +%F).md"
if [ ! -f "$file_work_log_today" ]
then
work_log_template > "$file_work_log_today"
fi
- vim "$file_work_log_today"
+ vim -c 'set spell' "$file_work_log_today"
}
note() {
mkdir -p "$DIR_NOTES"
- vim "$DIR_NOTES/$(date +'%Y_%m_%d--%H_%M_%S%z')--$1.md"
+ vim -c 'set spell' "$DIR_NOTES/$(date +'%Y_%m_%d--%H_%M_%S%z')--$1.md"
}
weather() {
- curl "http://wttr.in/$WEATHER_LOCATION"
+ 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, $0}'
+}
+
+status() {
+ local -r indent_unit=' '
+
+ uname -srvmo
+ hostname | figlet
+ uptime
+
+ echo
+
+ echo 'accounting'
+
+ printf '%stmux\n%ssessions %d, clients %d\n' \
+ "$indent_unit" \
+ "${indent_unit}${indent_unit}" \
+ "$(tmux list-sessions 2> /dev/null | wc -l)" \
+ "$(tmux list-clients 2> /dev/null | wc -l)"
+
+ 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' "$indent_unit"
+ ps -eo rss,cmd \
+ | awk -v total="$(free | awk '$1 == "Mem:" {print $2; exit}')" '
+ NR > 1 {
+ rss = $1
+ cmd = $2
+ n = split(cmd, path, "/") # _may_ be a path
+ proc = path[n]
+ by_proc[proc] += rss
+ }
+
+ END {
+ for (proc in by_proc)
+ print by_proc[proc], total, proc
+ }
+ ' \
+ | flat_top_5 \
+ | indent "${indent_unit}${indent_unit}"
+
+ echo
+
+ printf '%sthermal\n' "$indent_unit"
+ for _dir in /sys/class/thermal/thermal_zone*
+ do
+ printf '%s %.2f C\n' \
+ $(cat "$_dir"/type) \
+ $(( $(cat "$_dir"/temp) / 1000 ))
+ 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 $NF}' )
+
+ echo "${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}-->"
+
+ 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: ' "${indent_unit}${indent_unit}"
+ sudo -n netstat -tnp \
+ | awk 'NR > 2 && $6 == "ESTABLISHED" {print $7}' \
+ | awk -F/ '{print $2}' \
+ | sort -u \
+ | xargs \
+ | column -t
+
+ # TODO: iptables summary
+}
+
+ssh_invalid_attempts_from() {
+ awk '
+ /: Invalid user/ && $5 ~ /^sshd/ {
+ u=$8
+ addr=$10 == "port" ? $9 : $10
+ max++
+ curr[addr]++
+ }
+
+ END {
+ for (addr in curr)
+ if ((c = curr[addr]) > 1)
+ print c, max, addr
+ }
+ ' \
+ /var/log/auth.log \
+ /var/log/auth.log.1 \
+ | sort -n -k 1 \
+ | bar_gauge -v width="$(stty size | awk '{print $2}')" -v num=1 -v ch_right=' ' -v ch_left=' ' -v ch_blank=' ' \
+ | column -t
+}
+
+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
+}
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