File: tally.sh 1 #!/bin/sh 2 3 # The MIT License (MIT) 4 # 5 # Copyright © 2024 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 # tally 27 # 28 # Show a reverse-sorted tally of all lines read, where ties are sorted 29 # alphabetically. 30 # 31 # Output is a 2-item TSV table, which starts with a header line. 32 33 34 # handle help options 35 case "$1" in 36 -h|--h|-help|--help) 37 # show help message, extracting the info-comment at the start 38 # of this file, and quit 39 awk '/^# +tally/, /^$/ { gsub(/^# ?/, ""); print }' "$0" 40 exit 0 41 ;; 42 esac 43 44 awk -v sortcmd="sort -t ' ' -rnk2 -k1d" ' 45 BEGIN { print "value\ttally" } 46 47 { tally[$0]++ } 48 49 END { 50 for (k in tally) { 51 printf "%s\t%d\n", k, tally[k] | sortcmd 52 } 53 } 54 ' "$@"