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| -rwxr-xr-x | qr | 96 |
1 files changed, 96 insertions, 0 deletions
@@ -0,0 +1,96 @@ +#!/bin/bash + +# Copyright (c) 2012 Peter Palfrader +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation +# files (the "Software"), to deal in the Software without +# restriction, including without limitation the rights to use, +# copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following +# conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +usage() +{ +cat << EOF +usage: $0 -m <MSG> + $0 [options] [<file>] + +OPTIONS: + -m <MSG> Use MSG instead of reading input from file/stdin. + -M Add a/Include the trailing newline for single-line data. +EOF +} + +msg="" +have_msg=0 +multi_line=0 +while getopts "hm:M" OPTION +do + case $OPTION in + h) + usage + exit + ;; + M) + multi_line=1 + ;; + m) + have_msg=1 + msg="$OPTARG" + ;; + *) + usage >&2 + exit 1 + ;; + esac +done +shift $(($OPTIND - 1)) + + +img="$(tempfile --suffix .png)" +trap "rm -f '$img'" EXIT + + +if [ "$have_msg" -eq 0 ]; then + if [ "$#" -gt 1 ]; then + usage >&2 + exit 1 + fi + + if [ "$#" -eq 0 ]; then + stdin="$(tempfile)" + trap "rm -f '$img' '$stdin'" EXIT + cat > "$stdin" + set dummy "$stdin" + shift + fi + + fn="$1"; shift + if [ "$multi_line" = 1 ] || [ "$(cat "$fn" | wc -l)" -gt 1 ] ; then + qrencode -s 5 -l H -o "$img" < "$fn" + else + echo -n $( cat "$fn" ) | qrencode -s 5 -l H -o "$img" + fi +else + echo -n "$msg" | qrencode -s 5 -l H -o "$img" +fi + +display "$img" + +# vim:set et: +# vim:set ts=4: +# vim:set shiftwidth=4: |