wxrx entry script

completion.bash

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# This is the tab-completion script for wxrx
+# To use it, either:
+#  * source this file
+#  * symlink this file to `/etc/bash_completion.d/wxrx_completion.bash`
+complete -W 'help predict record decode pase update schedule' wxrx

wxrx.sh

@@ -0,0 +1,78 @@
+#!/bin/sh
+##
+## __PROG__ <command> [-h|--help] ...
+prog="$0"
+me=`basename "$prog"`
+rootdir=$(dirname $(realpath $0))
+source ${rootdir}/lib/utils.sh
+
+# Lines starting with '##' are intended for usage documentation
+function usage() {
+  grep '^##' "$prog" | sed -e 's/^##\s\?//' -e "s/__PROG__/$me/" 1>&2
+}
+
+# Like printf, but prints to stderr with prettier formatting if TTY
+function logerr() {
+  if [ -t 2 ]; then
+    printf "$(tput setaf 1)ERROR$(tput sgr0) ${1}\n" ${@:2} 1>&2
+  else
+    printf "${1}\n" ${@:2} 1>&2
+  fi
+}
+
+# <command> is required
+if [ -z "${1}" ]; then
+  logerr "A command is required"
+  usage
+  exit 1
+fi
+command=${1}
+
+## Commands:
+case "${1}" in
+
+##    help          Show this help message
+  'help' | '-h' | '--help')
+    usage
+    exit
+    ;;
+
+##    predict       Predict future passes
+  'predict')
+    shift
+    ${rootdir}/predict_passes.sh $@
+    ;;
+
+##    record        Demodulate and record a signal
+  'record')
+    shift
+    ${rootdir}/receive_pass.sh $@
+    ;;
+
+##    decode        Decode images from a recorded APT signal
+  'decode')
+    shift
+    ${rootdir}/build_images.sh $@
+    ;;
+
+##    pass          Capture and decode a pass occuring NOW
+  'pass')
+    printf "TODO\n"
+    ;;
+
+##    update        Update satellite telemetry
+  'update')
+    shift
+    ${rootdir}/update_satellites.sh $@
+    ;;
+##    schedule      Schedule a future pass with `atd`
+  'schedule')
+    printf "TODO\n"
+    ;;
+
+  '*')
+    logerr "Unrecognized command ${1}"
+    usage
+    exit 1
+
+esac