home/lib/login_functions.sh

   1 #
   2
   3 d() {
   4     local -r word=$(fzf < /usr/share/dict/words)
   5     dict "$word"
   6 }
   7
   8 shell_activity_report() {
   9     # TODO: optional concrete number output
  10     # TODO: optional combinations of granularities: hour, weekday, month, year
  11     local group_by="$1"
  12     case "$group_by" in
  13         'mon') ;;
  14         'dow') ;;
  15         '') group_by='dow';;
  16         *)
  17             echo "Usage: $0 [mon|dow]" >&2
  18             kill -INT $$
  19     esac
  20     history \
  21     | awk -v group_by="$group_by" '
  22         function date2dow(y, m, d,    _t, _i) {
  23             # Contract:
  24             #   y > 1752,  1 <= m <= 12.
  25             # Source:
  26             #   Sakamoto`s methods
  27             #   https://en.wikipedia.org/wiki/Determination_of_the_day_of_the_week#Sakamoto%27s_methods
  28             _t[ 0] = 0
  29             _t[ 1] = 3
  30             _t[ 2] = 2
  31             _t[ 3] = 5
  32             _t[ 4] = 0
  33             _t[ 5] = 3
  34             _t[ 6] = 5
  35             _t[ 7] = 1
  36             _t[ 8] = 4
  37             _t[ 9] = 6
  38             _t[10] = 2
  39             _t[11] = 4
  40             y -= m < 3
  41             _i = int(y + y/4 - y/100 + y/400 + _t[m - 1] + d) % 7
  42             _i = _i == 0 ? 7 : _i  # Make Sunday last
  43             return _i
  44
  45         }
  46
  47         {
  48             # NOTE: $2 & $3 are specific to oh-my-zsh history output
  49             date = $2
  50             time = $3
  51             d_fields = split(date, d, "-")
  52             t_fields = split(time, t, ":")
  53             if (t_fields && d_fields) {
  54                 # +0 to coerce number from string
  55                 year  = d[1] + 0
  56                 month = d[2] + 0
  57                 day   = d[3] + 0
  58                 hour = t[1] + 0
  59                 dow = date2dow(year, month, day)
  60                 g = group_by == "mon" ? month : dow  # dow is default
  61                 c = count[g, hour]++
  62             }
  63             if (c > max)
  64                 max = c
  65         }
  66
  67         END {
  68             w[1] = "Monday"
  69             w[2] = "Tuesday"
  70             w[3] = "Wednesday"
  71             w[4] = "Thursday"
  72             w[5] = "Friday"
  73             w[6] = "Saturday"
  74             w[7] = "Sunday"
  75
  76             m[ 1] = "January"
  77             m[ 2] = "February"
  78             m[ 3] = "March"
  79             m[ 4] = "April"
  80             m[ 5] = "May"
  81             m[ 6] = "June"
  82             m[ 7] = "July"
  83             m[ 8] = "August"
  84             m[ 9] = "September"
  85             m[10] = "October"
  86             m[11] = "November"
  87             m[12] = "December"
  88
  89             n = group_by == "mon" ? 12 : 7  # dow is default
  90
  91             for (gid = 1; gid <= n; gid++) {
  92                 group = group_by == "mon" ? m[gid] : w[gid]
  93                 printf "%s\n", group;
  94                 for (hour=0; hour<24; hour++) {
  95                     c = count[gid, hour]
  96                     printf "  %2d ", hour
  97                     for (i = 1; i <= (c * 100) / max; i++)
  98                         printf "|"
  99                     printf "\n"
 100                 }
 101             }
 102         }'
 103 }
 104
 105 top_commands() {
 106     history \
 107     | awk '
 108         {
 109             count[$4]++
 110         }
 111
 112         END {
 113             for (cmd in count)
 114                 print count[cmd], cmd
 115         }' \
 116     | sort -n -r -k 1 \
 117     | head -50 \
 118     | awk '
 119         {
 120             cmd[NR] = $2
 121             c = count[NR] = $1 + 0  # + 0 to coerce number from string
 122             if (c > max)
 123                 max = c
 124         }
 125
 126         END {
 127             for (i = 1; i <= NR; i++) {
 128                 c = count[i]
 129                 printf "%s %d ", cmd[i], c
 130                 scaled = (c * 100) / max
 131                 for (j = 1; j <= scaled; j++)
 132                     printf "|"
 133                 printf "\n"
 134             }
 135         }' \
 136     | column -t
 137 }
 138
 139 # Top Disk-Using directories
 140 # TODO: Consider using numfmt instead of awk
 141 tdu() {
 142     du "$1" \
 143     | sort -n -k 1 \
 144     | tail -50 \
 145     | awk '
 146         {
 147             size = $1
 148             path = $0
 149             sub("^" $1 "\t+", "", path)
 150             gb = size / 1024 / 1024
 151             printf("%f\t%s\n", gb, path)
 152         }' \
 153     | cut -c 1-115
 154 }
 155
 156 # Top Disk-Using Files
 157 tduf() {
 158     find "$1" -type f -printf '%s\t%p\0' \
 159     | sort -z -n -k 1 \
 160     | tail -z -n 50 \
 161     | gawk -v RS='\0' '
 162         {
 163             size = $1
 164             path = $0
 165             sub("^" $1 "\t+", "", path)
 166             gb = size / 1024 / 1024 / 1024
 167             printf("%f\t%s\n", gb, path)
 168         }'
 169 }
 170
 171 # Most-recently modified file system objects
 172 recent() {
 173     # NOTES:
 174     # - intentionally not quoting the parameters, so that some can be ignored
 175     #   if not passed, rather than be passed to find as an empty string;
 176     # - %T+ is a GNU extension;
 177     # - gawk is able to split records on \0, while awk cannot.
 178     find $@ -printf '%T@ %T+ %p\0' \
 179     | tee >(gawk -v RS='\0' 'END { printf("[INFO] Total found: %d\n", NR); }') \
 180     | sort -z -k 1 -n -r \
 181     | head -n "$(stty size | awk 'NR == 1 {print $1 - 5}')" -z \
 182     | gawk -v RS='\0' '
 183         {
 184             sub("^" $1 " +", "")  # Remove epoch time
 185             sub("+", " ")         # Blank-out the default separator
 186             sub("\\.[0-9]+", "")  # Remove fractional seconds
 187             print
 188         }'
 189 }
 190
 191 recent_dirs() {
 192     recent "$1" -type d
 193 }
 194
 195 recent_files() {
 196     recent "$1" -type f
 197 }
 198
 199 pa_def_sink() {
 200     pactl info | awk '/^Default Sink:/ {print $3}'
 201 }
 202
 203 void_pkgs() {
 204     curl "https://xq-api.voidlinux.org/v1/query/x86_64?q=$1" | jq '.data'
 205 }
 206
 207 # Colorful man
 208 man() {
 209     LESS_TERMCAP_md=$'\e[01;31m' \
 210     LESS_TERMCAP_me=$'\e[0m' \
 211     LESS_TERMCAP_se=$'\e[0m' \
 212     LESS_TERMCAP_so=$'\e[01;44;33m' \
 213     LESS_TERMCAP_ue=$'\e[0m' \
 214     LESS_TERMCAP_us=$'\e[01;32m' \
 215     command man "$@"
 216 }
 217
 218 experiment() {
 219     cd "$(~/bin/experiment $@)" || kill -INT $$
 220 }
 221
 222 hump() {
 223     ledit -l "$(stty size | awk '{print $2}')" ocaml $@
 224 }
 225
 226 howto() {
 227     cat "$(find  ~/Archives/Documents/HOWTOs -mindepth 1 -maxdepth 1 | sort | fzf)"
 228 }
 229
 230 yt() {
 231     local _yt_uri
 232     local _yt_id
 233     local _yt_title
 234     local _yt_dir
 235
 236     _yt_uri="$1"
 237     _yt_id=$(youtube-dl --get-id "$_yt_uri")
 238     _yt_title=$(youtube-dl --get-title "$_yt_uri")
 239     _yt_dir="${DIR_YOUTUBE}/individual-videos/${_yt_title}--${_yt_id}"
 240
 241     mkdir -p "$_yt_dir"
 242     cd "$_yt_dir" || kill -INT $$
 243     echo "$_yt_uri" > 'uri'
 244     youtube-dl -c --write-description --write-info-json "$_yt_uri"
 245 }
 246
 247 gh_fetch_repos() {
 248     curl "https://api.github.com/$1/$2/repos?page=1&per_page=10000"
 249 }
 250
 251 gh_clone() {
 252     gh_user_type="$1"
 253     gh_user_name="$2"
 254     gh_dir="${DIR_GITHUB}/${gh_user_name}"
 255     mkdir -p "$gh_dir"
 256     cd "$gh_dir" || kill -INT $$
 257     gh_fetch_repos "$gh_user_type" "$gh_user_name" \
 258     | jq --raw-output '.[] | select(.fork | not) | .git_url' \
 259     | parallel -j 25 \
 260     git clone {}
 261 }
 262
 263 gh_clone_user() {
 264     gh_clone 'users' "$1"
 265 }
 266
 267 gh_clone_org() {
 268     gh_clone 'orgs' "$1"
 269 }
 270
 271 gh_clone_repo() {
 272     gh_username=$(echo "$1" | awk -F / '"$1 == "https" && $3 == github.com" {print $4}')
 273     gh_dir="${DIR_GITHUB}/${gh_username}"
 274     mkdir -p "$gh_dir"
 275     cd "$gh_dir" || kill -INT $$
 276     git clone "$1"
 277 }
 278
 279 work_log_template() {
 280 cat << EOF
 281 $(date '+%F %A')
 282 ==========
 283
 284 Morning report
 285 --------------
 286
 287 ### Previous
 288
 289 ### Current
 290
 291 ### Blockers
 292
 293 Day's notes
 294 -----------
 295 EOF
 296 }
 297
 298 work_log() {
 299     mkdir -p "$DIR_WORK_LOG"
 300     file_work_log_today="${DIR_WORK_LOG}/$(date +%F).md"
 301     if [ ! -f "$file_work_log_today" ]
 302     then
 303         work_log_template > "$file_work_log_today"
 304     fi
 305     vim -c 'set spell' "$file_work_log_today"
 306
 307 }
 308
 309 note() {
 310     mkdir -p "$DIR_NOTES"
 311     vim -c 'set spell' "$DIR_NOTES/$(date +'%Y_%m_%d--%H_%M_%S%z')--$1.md"
 312 }
 313
 314 weather() {
 315     local _weather_location
 316     case "$1" in
 317         '') _weather_location="$WEATHER_LOCATION";;
 318          *) _weather_location="$1"
 319     esac
 320     curl "http://wttr.in/$_weather_location"
 321 }
 322
 323 bt_devs_paired() {
 324     bluetoothctl -- paired-devices \
 325     | awk '{print $2}' \
 326     | xargs bluetoothctl -- info
 327 }
 328
 329 bt_devs() {
 330     bluetoothctl -- devices \
 331     | awk '{print $2}' \
 332     | xargs bluetoothctl -- info
 333 }
 334
 335 run() {
 336     stderr="$(mktemp)"
 337     $@ 2> >(tee "$stderr")
 338     code="$?"
 339     urgency=''
 340     case "$code" in
 341         0) urgency='normal';;
 342         *) urgency='critical'
 343     esac
 344     notify-send -u "$urgency" "Job done: $code" "$(cat $stderr)"
 345     rm "$stderr"
 346 }