user/mw_create_summary_months.sh

   1 #!/usr/bin/env bash
   2 # Desc: Prints mediawiki code for a summary of months of a year on the bk4 wiki.
   3 # Usage: /bin/bash mw_create_summary_months.sh [int year]
   4 # Input: arg1: year
   5 # Example: /bin/bash mw_create_summary_months.sh [int year] > output.txt
   6 # Version: 0.0.1
   7
   8 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
   9 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
  10 must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
  11 main() {
  12     yyyy="$1";
  13
  14     # Check input
  15     if [[ $# -ne 1 ]]; then die "FATAL:Invalid arg count:$#"; fi;
  16     ## Strip leading zeroes (because August/octal)
  17     yyyy="$((10#${yyyy}))";
  18     ## Check year
  19     re="[0-9]+";
  20     if [[ ! $yyyy =~ $re ]]; then die "FATAL:Invalid year string:$yyyy"; fi;
  21     if [[ ! $yyyy -ge 1582 ]]; then die "FATAL:Invalid year string:$yyyy"; fi;
  22
  23     # Calc working vars
  24     ## Years
  25     yyyy_prev="$((yyyy - 1))";
  26     yyyy_next="$((yyyy + 1))";
  27
  28     # Form and print header
  29     printf "{{bk journal header}}\n";
  30     printf "A summary of monthly journals of [[%d]]. " "$yyyy";
  31     printf "Preceded by [[Summary of months of %d]]. " "$yyyy_prev";
  32     printf "Followed by [[Summary of months of %d]]. " "$yyyy_next";
  33     printf "\n\n";
  34
  35     # Form and print body
  36     for (( mm=1; mm <= 12; mm++)); do
  37         printf "=[[%4d-%02d]]=" "$yyyy" "$mm";
  38         printf "\n";
  39         printf "{{:%4d-%02d}}" "$yyyy" "$mm";
  40         printf "\n";
  41
  42     done;
  43     printf "\n\n";
  44
  45     # Form and print footer
  46     printf "{{bk journal footer}}\n";
  47     s1="[[Category:Monthly summaries by year]]"
  48     printf "%s\n" "$s1";
  49     printf "\n";
  50
  51 }; # main program
  52
  53 main "$@";
  54
  55 # Author: Steven Baltakatei Sandoval
  56 #+License: GPLv3+