File: trimdecs.sh 1 #!/bin/sh 2 3 # The MIT License (MIT) 4 # 5 # Copyright © 2020-2025 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 # trimdecs [options...] [files...] 27 # 28 # TRIM DECimalS ignores all trailing decimal zeros in numbers, even the 29 # decimal dots themselves, when decimals in a number are all zeros 30 # 31 # The help option is `-h`, `--h`, `-help`, or `--help`. 32 33 34 case "$1" in 35 -h|--h|-help|--help) 36 awk '/^# +trimdecs /, /^$/ { gsub(/^# ?/, ""); print }' "$0" 37 exit 0 38 ;; 39 esac 40 41 # works on gawk and busybox awk, but not on mawk, as the latter lacks `gensub` 42 # awk ' 43 # FNR == 1 { gsub(/^\xef\xbb\xbf/, "") } 44 # { 45 # gsub(/\r$/, "") 46 # $0 = gensub(/([0-9]+)\.0+/, "\\1", "g") 47 # $0 = gensub(/([0-9]+\.[0-9]*[1-9]+)0+/, "\\1", "g") 48 # print; fflush() 49 # } 50 # ' "$@" 51 52 awk ' 53 FNR == 1 { gsub(/^\xef\xbb\xbf/, "") } 54 { gsub(/\r$/, ""); print; fflush() } 55 ' "$@" | sed -u -E 's-([0-9]+)\.0+-\1-g; s-([0-9]+\.[0-9]*[1-9]+)0+-\1-g'