sharparam.com
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1#!/usr/bin/env bash
2
3set -euo pipefail
4
5err() {
6 printf "%s\n" "$*" >&2
7}
8
9NAME='sharpshot'
10SELF="${0:-$NAME}"
11VERSION='0.0.1'
12OUTPUT_FILE=${SHARPSHOT_OUTPUT_FILE:-/tmp/sharpshot.png}
13COMMAND=${SHARPSHOT_COMMAND:-spectacle -b -o ${OUTPUT_FILE}}
14COPY_COMMAND=${SHARPSHOT_COPY_COMMAND:-wl-copy}
15FULL_SWITCH=${SHARPSHOT_FULL_SWITCH:--f}
16ACTIVE_SWITCH=${SHARPSHOT_ACTIVE_SWITCH:--a}
17REGION_SWITCH=${SHARPSHOT_REGION_SWITCH:--r}
18VERBOSE=false
19DRY=false
20
21verbose() {
22 if $VERBOSE; then
23 printf "%s\n" "$*"
24 fi
25}
26
27full() {
28 verbose 'Capturing full desktop'
29 if $DRY; then
30 echo "DRY-RUN, would execute: '$COMMAND $FULL_SWITCH'"
31 else
32 $COMMAND "$FULL_SWITCH" &
33 fi
34}
35
36active() {
37 verbose 'Capturing active window'
38 if $DRY; then
39 echo "DRY-RUN, would execute: '$COMMAND $ACTIVE_SWITCH'"
40 else
41 $COMMAND "$ACTIVE_SWITCH" &
42 fi
43}
44
45region() {
46 verbose 'Capturing region'
47 if $DRY; then
48 echo "DRY-RUN, would execute: '$COMMAND $REGION_SWITCH'"
49 else
50 $COMMAND "$REGION_SWITCH" &
51 fi
52}
53
54printversion() {
55 echo "$NAME v$VERSION"
56}
57
58usage() {
59 echo 'Usage:'
60 echo " $SELF [options] [action]"
61}
62
63help() {
64 cat <<EOF
65$(printversion)
66
67$(usage)
68
69Screenshot helper
70
71Options:
72 -o <PATH> Set the output path to write to
73 -c <COMMAND> Set the base command to use
74 -f <SWITCH> Set the switch to add to the base command for full screen capture
75 -a <SWITCH> Set the switch to add to the base command for active window capture
76 -r <SWITCH> Set the switch to add to the base command for region capture
77 -v Enable verbose logging
78 -d Enable dry-run
79
80 -h Display this help
81 -V Display version
82EOF
83}
84
85while getopts ':hvdVo:c:f:a:r:' option; do
86 case "$option" in
87 v)
88 VERBOSE=true
89 ;;
90 d)
91 DRY=true
92 ;;
93 V)
94 printversion
95 exit
96 ;;
97 h)
98 help
99 exit
100 ;;
101 o)
102 OUTPUT_FILE="$OPTARG"
103 ;;
104 c)
105 COMMAND="$OPTARG"
106 ;;
107 f)
108 FULL_SWITCH="$OPTARG"
109 ;;
110 a)
111 ACTIVE_SWITCH="$OPTARG"
112 ;;
113 r)
114 REGION_SWITCH="$OPTARG"
115 ;;
116 \?)
117 err "Invalid option '$OPTARG'"
118 exit 1
119 ;;
120 :)
121 err "Missing value for option '$OPTARG'"
122 exit 1
123 ;;
124 *)
125 usage
126 exit 1
127 ;;
128 esac
129done
130
131shift $((OPTIND - 1))
132
133ACTION="${*:-full}"
134
135$DRY && echo "$NAME running in dry-run mode"
136
137verbose "Outputting to $OUTPUT_FILE"
138verbose "Base command: $COMMAND"
139verbose "Full switch: $FULL_SWITCH"
140verbose "Active switch: $ACTIVE_SWITCH"
141verbose "Region switch: $REGION_SWITCH"
142verbose "Action: $ACTION"
143
144case "$ACTION" in
145 a*)
146 active
147 ;;
148 r*)
149 region
150 ;;
151 f*)
152 full
153 ;;
154 *)
155 err "Unknown capture mode '$ACTION'"
156 exit 1
157 ;;
158esac