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         fi
  23
  24         if type pbcopy >/dev/null 2>&1; then
  25                 echo 'mac'
  26                 return 0
  27         fi
  28
  29         if [ -c /dev/clipboard ]; then
  30                 echo 'cygwin'
  31                 return 0
  32         fi
  33
  34         return 1
  35 }
  36
  37 vc_usable() {
  38         if vc_determine_command >/dev/null 2>&1; then
  39                 exit 0
  40         fi
  41
  42         exit 1
  43 }
  44
  45 vc_copy() {
  46         COPY_CMD="`vc_determine_command 2>/dev/null`"
  47
  48         if [ $? -ne 0 ] || [ -z "$COPY_CMD" ]; then
  49                 vc_fatal 'System clipboard not supported'
  50         fi
  51
  52         vc_${COPY_CMD}_copy
  53
  54         exit $?
  55 }
  56
  57 vc_paste() {
  58         PASTE_CMD="`vc_determine_command 2>/dev/null`"
  59
  60         if [ $? -ne 0 ] || [ -z "$PASTE_CMD" ]; then
  61                 vc_fatal 'System clipboard not supported'
  62         fi
  63
  64         vc_${PASTE_CMD}_paste
  65
  66         exit $?
  67 }
  68
  69 vc_xsel_copy() {
  70         xsel -bi
  71 }
  72
  73 vc_xsel_paste() {
  74         xsel -bo
  75 }
  76
  77 vc_xclip_copy() {
  78         xclip -selection clipboard -i >/dev/null 2>&1
  79 }
  80
  81 vc_xclip_paste() {
  82         xclip -selection clipboard -o
  83 }
  84
  85 vc_mac_copy() {
  86         pbcopy
  87 }
  88
  89 vc_mac_paste() {
  90         pbpaste
  91 }
  92
  93 vc_cygwin_copy() {
  94         cat >/dev/clipboard
  95 }
  96
  97 vc_cygwin_paste() {
  98         cat /dev/clipboard
  99 }
 100
 101 case "$1" in
 102         --usable) vc_usable;;
 103         --copy) vc_copy;;
 104         --paste) vc_paste;;
 105         *) ;;
 106 esac
 107
 108 vc_usage