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| author | EuAndreh <eu@euandre.org> | 2022-01-04 15:48:45 -0300 |
|---|---|---|
| committer | EuAndreh <eu@euandre.org> | 2022-01-04 15:48:45 -0300 |
| commit | 5f5b7f23073150e9ce68d8d83027ea8a2b9ffced (patch) | |
| tree | 9dddcfed5d0f7ab8c66c05204a368e1629ed555b /src/bin/qr | |
| parent | guix/channels.scm: Remove unused channels file (diff) | |
| download | dotfiles-5f5b7f23073150e9ce68d8d83027ea8a2b9ffced.tar.gz dotfiles-5f5b7f23073150e9ce68d8d83027ea8a2b9ffced.tar.xz | |
src/bin/{duplex,qr,rfc}: Add new executable utilities
Diffstat (limited to 'src/bin/qr')
| -rwxr-xr-x | src/bin/qr | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/bin/qr b/src/bin/qr new file mode 100755 index 00000000..0fce2343 --- /dev/null +++ b/src/bin/qr @@ -0,0 +1,56 @@ +#!/bin/sh +set -eu + +usage() { + cat <<-'EOF' + Usage: + qr [-s PIXEL_SIZE] [DATA|-] + qr -h +EOF +} + +help() { + cat <<-'EOF' + + Options: + -s size of the pixel (default 10) + -h, --help show this help message +EOF +} + +for flag in "$@"; do + case "$flag" in + --) + break + ;; + --help) + usage + help + exit + ;; + *) + ;; + esac +done + +PIXEL_SIZE=10 +while getopts 's:h' flag; do + case "$flag" in + s) + PIXEL_SIZE="$OPTARG" + ;; + h) + usage + help + exit + ;; + *) + usage >&2 + exit 2 + ;; + esac +done +shift $((OPTIND - 1)) + + +echo "${1:-$(cat -)}" | qrencode -s "$PIXEL_SIZE" -o- | feh - |