File: year.sh
   1 #!/bin/sh
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright (c) 2026 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the "Software"), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # year [options...] [year...]
  27 #
  28 # Show a calendar for the current year, or for the year given, along with the
  29 # current time and date.
  30 #
  31 # When variable NO_COLOR is declared and set to 1, an invert/highlight style
  32 # is used instead of colors.
  33 #
  34 # The options are, available both in single and double-dash versions
  35 #
  36 #    -h, -help    show this help message
  37 
  38 
  39 case "$1" in
  40     -h|--h|-help|--help)
  41         awk '/^# +year /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  42         exit 0
  43     ;;
  44 esac
  45 
  46 {
  47     # show the current date/time center-aligned
  48     if [ "${NO_COLOR}" = 1 ]; then
  49         printf "%21s\033[7m%s\033[0m  \033[7m%s\033[0m\n\n" \
  50             "" "$(date +'%a %b %d %Y')" "$(date +'%H:%M')"
  51     else
  52         printf \
  53     "%21s\033[38;2;78;154;6m%s\033[0m  \033[38;2;52;101;164m%s\033[0m\n\n" \
  54             "" "$(date +'%a %b %d %Y')" "$(date +'%H:%M')"
  55     fi
  56 
  57     # debian linux has a different `cal` app which highlights the day
  58     if [ -e /usr/bin/ncal ]; then
  59         # fix debian/ncal's weird way to highlight the current day
  60         ncal -C -y "$@" \
  61         | sed -E 's/_\x08(.+)_\x08([^ ]+)/\x1b\[7m\1\2\x1b\[0m/'
  62     else
  63         cal -y "$@"
  64     fi
  65 } | { less -MKiCRS 2> /dev/null || less -RIMS 2> /dev/null || cat; }