File: cio.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 # cio 27 # 28 # Clipboard IO automatically figures out whether to copy/paste the text 29 # clipboard, depending on the piping of its standard input/output. 30 # 31 # When both its standard input/output are piped, it first updates the text 32 # clipboard, and then emits its new value to stdout. 33 # 34 # When run on its own (unpiped), it just emits the current text clipboard 35 # value to stdout. 36 37 38 case "$1" in 39 -h|--h|-help|--help) 40 awk '/^# +cio/, /^$/ { gsub(/^# ?/, ""); print }' "$0" 41 exit 0 42 ;; 43 esac 44 45 get_clip() { 46 if [ -e /dev/clipboard ]; then 47 cat /dev/clipboard 48 return $? 49 fi 50 if [ "$(which wclip)" ]; then 51 wclip -o 52 return $? 53 fi 54 if [ "$(which xclip)" ]; then 55 xclip -sel clip -o 56 return $? 57 fi 58 if [ "$(which pbpaste)" ]; then 59 pbpaste 60 return $? 61 fi 62 if [ "$(which powershell.exe)" ]; then 63 powershell.exe -NoProfile -c ' 64 chcp 65001 | Out-Null 65 Get-Clipboard 66 ' 67 return $? 68 fi 69 70 printf "\e[31mcan't use the clipboard\e[0m\n" > /dev/stderr 71 exit 1 72 } 73 74 set_clip() { 75 if [ -e /dev/clipboard ]; then 76 cat > /dev/clipboard 77 return $? 78 fi 79 if [ "$(which wclip)" ]; then 80 wclip 81 return $? 82 fi 83 if [ "$(which xclip)" ]; then 84 xclip -sel clip 85 return $? 86 fi 87 if [ "$(which pbcopy)" ]; then 88 pbcopy 89 return $? 90 fi 91 92 if [ "$(which powershell.exe)" ]; then 93 powershell.exe -NoProfile -c ' 94 chcp 65001 | Out-Null 95 clip.exe 96 ' 97 return $? 98 fi 99 100 printf "\e[31mcan't use the clipboard\e[0m\n" > /dev/stderr 101 exit 1 102 } 103 104 # handle both `... | cio` and `... | cio | ...` 105 if [ -p /dev/stdin ]; then 106 cat | set_clip 107 # ... | cio | ... 108 if [ -p /dev/stdout ]; then 109 get_clip 110 fi 111 exit $? 112 fi 113 114 # handle `cio | ...` 115 if [ -p /dev/stdout ]; then 116 get_clip 117 exit $? 118 fi 119 120 # handle `cio ...` 121 if [ $# -gt 0 ]; then 122 cat "$@" | set_clip 123 exit $? 124 fi 125 126 # handle `cio` 127 get_clip 128 exit $?