vis-clipboard

   1 #!/bin/sh
   2
   3 # Copyright (C) 2016 Richard Burke, ISC licensed
   4
   5 vc_fatal() {
   6         echo "$@" >&2
   7         exit 1
   8 }
   9
  10 vc_usage() {
  11         vc_fatal "`basename $0` [--usable|--copy|--paste]"
  12 }
  13
  14 vc_determine_command() {
  15         if [ -n "$DISPLAY" ]; then
  16                 for c in xclip xsel; do
  17                         if type "$c" >/dev/null 2>&1; then
  18                                 echo "$c"
  19                                 return 0
  20                         fi
  21                 done
  22         elif type pbcopy >/dev/null 2>&1; then
  23                 echo 'mac'
  24                 return 0
  25         elif [ -c /dev/clipboard ]; then
  26                 echo 'cygwin'
  27                 return 0
  28         fi
  29
  30         return 1
  31 }
  32
  33 vc_usable() {
  34         if vc_determine_command >/dev/null 2>&1; then
  35                 exit 0
  36         fi
  37
  38         exit 1
  39 }
  40
  41 vc_copy() {
  42         COPY_CMD="`vc_determine_command 2>/dev/null`"
  43
  44         if [ $? -ne 0 ] || [ -z "$COPY_CMD" ]; then
  45                 vc_fatal 'System clipboard not supported'
  46         fi
  47
  48         vc_${COPY_CMD}_copy
  49
  50         exit $?
  51 }
  52
  53 vc_paste() {
  54         PASTE_CMD="`vc_determine_command 2>/dev/null`"
  55
  56         if [ $? -ne 0 ] || [ -z "$PASTE_CMD" ]; then
  57                 vc_fatal 'System clipboard not supported'
  58         fi
  59
  60         vc_${PASTE_CMD}_paste
  61
  62         exit $?
  63 }
  64
  65 vc_xsel_copy() {
  66         xsel -bi
  67 }
  68
  69 vc_xsel_paste() {
  70         xsel -bo
  71 }
  72
  73 vc_xclip_copy() {
  74         xclip -selection clipboard -i >/dev/null 2>&1
  75 }
  76
  77 vc_xclip_paste() {
  78         xclip -selection clipboard -o
  79 }
  80
  81 vc_mac_copy() {
  82         pbcopy
  83 }
  84
  85 vc_mac_paste() {
  86         pbpaste
  87 }
  88
  89 vc_cygwin_copy() {
  90         cat >/dev/clipboard
  91 }
  92
  93 vc_cygwin_paste() {
  94         cat /dev/clipboard
  95 }
  96
  97 case "$1" in
  98         --usable) vc_usable;;
  99         --copy) vc_copy;;
 100         --paste) vc_paste;;
 101         *) ;;
 102 esac
 103
 104 vc_usage