314 lines
7.8 KiB
Bash
Executable File
314 lines
7.8 KiB
Bash
Executable File
#!/bin/bash -
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#===============================================================================
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#
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# FILE: do_index
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#
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# USAGE: ./do_index <epno>
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#
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# DESCRIPTION: Makes an index.html file in the uploads directory of a show
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# for upload to the show's asset directory on the HPR server.
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#
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# OPTIONS: ---
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# REQUIREMENTS: ---
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# BUGS: ---
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# NOTES: ---
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# AUTHOR: Dave Morriss (djm), Dave.Morriss@gmail.com
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# VERSION: 0.0.5
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# CREATED: 2022-10-30 15:39:28
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# REVISION: 2022-12-17 17:38:00
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#
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#===============================================================================
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set -o nounset # Treat unset variables as an error
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SCRIPT=${0##*/}
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# DIR=${0%/*}
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VERSION="0.0.5"
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STDOUT="/dev/fd/2"
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#
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# Load library functions (make_file_list, range_parse, cleanup_temp)
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#
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LIB="$HOME/bin/function_lib.sh"
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[ -e "$LIB" ] || { echo "$SCRIPT: Unable to source functions"; exit 1; }
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# shellcheck source=/home/cendjm/bin/function_lib.sh
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source "$LIB"
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#
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# Colour codes
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#
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define_colours
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# {{{ -- _usage -- _dryrun --
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#=== FUNCTION ================================================================
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# NAME: _usage
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# DESCRIPTION: Report usage
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# PARAMETERS: None
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# RETURNS: Nothing
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#===============================================================================
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_usage () {
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cat >$STDOUT <<-endusage
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Usage: ./${SCRIPT} [-h] [-d] shownumber
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Version: $VERSION
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Generates an 'index.html' file for a show with assets
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Options:
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-h Print this help
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-d Select dry run mode
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Arguments:
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shownumber
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Examples
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./${SCRIPT} 3112
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endusage
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exit
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}
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#=== FUNCTION ================================================================
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# NAME: _dryrun
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# DESCRIPTION: Output a dry run message
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# PARAMETERS: List of messages
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# RETURNS: Nothing
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#===============================================================================
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_dryrun () {
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local prefix="Dry run: "
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for msg in "$@"; do
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printf '%9s%s\n' "$prefix" "$msg"
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prefix=
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done
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}
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# }}}
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#
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# Option defaults
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#
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DRYRUN=0 # not dry run mode by default
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#
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# Process options
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#
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while getopts :hd opt
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do
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case "${opt}" in
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h) _usage;;
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d) DRYRUN=1;;
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?) echo "$SCRIPT: Invalid option; aborting"; exit 1;;
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esac
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done
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shift $((OPTIND - 1))
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#
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# Check there's an argument after removing any options. Abort if not
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#
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if [[ $# -ne 1 ]]; then
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echo "${red}Missing shownumber argument${reset}"
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_usage
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fi
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ep="$1"
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printf -v show 'hpr%04d' "$ep"
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#
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# Paths to files
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#
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BASEDIR="$HOME/HPR/Show_Submission"
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SHOWDIR="$BASEDIR/shownotes/hpr${ep}"
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RAWFILE="$SHOWDIR/shownotes.txt"
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JSONFILE="$SHOWDIR/shownotes.json"
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PICDIR="$SHOWDIR/uploads"
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INDEXFILE="$PICDIR/index.html"
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ASSETS="$SHOWDIR/.assets" # Created in parse_JSON
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PICLIST="$SHOWDIR/.pictures" # Created in parse_JSON
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STATUS="$SHOWDIR/.status"
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#
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# Check the show directory exists
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#
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if [[ ! -d $SHOWDIR ]]; then
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echo "$SCRIPT: ${red}Directory $SHOWDIR not found${reset}"
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exit 1
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fi
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#
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# If no assets then don't continue
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#
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if [[ ! -e $ASSETS ]]; then
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echo "$SCRIPT: ${red}Asset file (.assets) not found in $SHOWDIR${reset}"
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exit 1
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fi
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#
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# Do we already have an 'index.html'?
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#
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if [[ -e $INDEXFILE ]]; then
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echo "${red}There's already an 'index.html'${reset}"
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if [[ $DRYRUN -eq 0 ]] && ! yes_no 'Overwrite this file? %s ' 'No'; then
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echo "${red}Aborting!${reset}"
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exit 1
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fi
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fi
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#
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# Make temporary files and set traps to delete them.
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#
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# TMP1 - HTML header
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# TMP2 - HTML footer
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#
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TMP1=$(mktemp) || {
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echo "$SCRIPT: ${red}creation of temporary file failed!${reset}"
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exit 1
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}
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TMP2=$(mktemp) || {
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echo "$SCRIPT: ${red}creation of temporary file failed!${reset}"
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exit 1
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}
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trap 'cleanup_temp $TMP1 $TMP2' SIGHUP SIGINT SIGPIPE SIGTERM EXIT
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#
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# Parse these fields from the raw input file (shownotes.txt) into Bash
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# variables so we can make an index.html later.
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#
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# Title='' Summary='' Host_Name=''
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# eval \
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# "$(sed -n '/^\(Title\|Summary\|Host_Name\):/{s/^\([^:]\+\):\t/\1="/;s/$/"/;p}' "$RAWFILE")"
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#
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# Parse these fields from the JSON input file (shownotes.json) into Bash
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# variables so we can make an index.html later.
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#
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Title='' Summary='' Host_Name=''
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jqprog="@sh \"Host_Name=\(.host.Host_Name) Title=\(.episode.Title) Summary=\(.episode.Summary)\""
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command=$(jq -r "$jqprog" "$JSONFILE")
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eval "${command}"
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#
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# Make two HTML templates and two TT² templates. We do this in dry-run mode
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# too then throw them away!
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#
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# {{{
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cat > "$TMP1" <<ENDHTML1
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="generator" content="pandoc">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<meta name="author" content="$Host_Name">
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<title>$Title (HPR Show $ep)</title>
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<style type="text/css">code{white-space: pre;}</style>
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<!--[if lt IE 9]>
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<script src="https://html5shim.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<link rel="stylesheet" href="https://hackerpublicradio.org/css/hpr.css">
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</head>
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<body id="home">
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<div id="container" class="shadow">
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<header>
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<h1 class="title">$Title (HPR Show $ep)</h1>
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<h3 class="summary">$Summary</h3>
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<h3 class="author">$Host_Name</h3>
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<hr/>
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</header>
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<main id="maincontent">
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<article>
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<h3 id="index">Index</h3>
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<ul>
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ENDHTML1
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cat > "$TMP2" <<ENDHTML2
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</ul>
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</article>
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</main>
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</div>
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</body>
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</html>
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ENDHTML2
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# }}}
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#
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# Make a simple index.html file. We use the .assets file and the .pictures
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# list (if there is one) and read them into an aray and a hash. We can then
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# generate HTML appropriate to their type.
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#
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if [[ $DRYRUN -eq 0 ]]; then
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#
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# Make an array of assets
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#
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if [[ -e $ASSETS ]]; then
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declare -a assets
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mapfile -t assets < "$ASSETS"
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else
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echo "$SCRIPT: ${red}No assets found!${reset}"
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echo "$SCRIPT: ${red}Show has no $ASSETS file!${reset}"
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exit 1
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fi
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#
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# Make a hash of pictures. It's not an error if there are none; we still
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# need to process assets.
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#
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if [[ -e $PICLIST ]]; then
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declare -A pix
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while read -er pic; do
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pix[$pic]=1
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done < "$PICLIST"
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else
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echo "$SCRIPT: ${red}No pictures found!${reset}"
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echo "$SCRIPT: ${blue}Processing $ASSETS only${reset}"
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fi
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#
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# Assemble the index from header, footer and a body of file/picture
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# references. If an asset is in the 'pix' hash then it's a picture, so we
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# generate different HTML than in the other case.
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# TODO: Do a better job with displaying the pictures! Maybe limit the
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# size? Who's going to be looking at this anyway? Could the image URL
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# contain a size I wonder?
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#
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(
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cat "$TMP1"
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for asset in "${assets[@]}"; do
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# Don't let the index point to itself!
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if [[ $asset == 'index.html' ]]; then
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continue
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fi
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if [ -e "$PICLIST" ] && [ "${pix[$asset]+set}" == 'set' ]; then
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printf '<li><img src="https://hackerpublicradio.org/eps/%s/%s" alt="%s"></li>\n' \
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"$show" "$asset" "$asset"
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else
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printf '<li><a href="https://hackerpublicradio.org/eps/%s/%s">%s</a></li>\n' \
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"$show" "$asset" "$asset"
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fi
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done
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cat "$TMP2"
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) > "$INDEXFILE"
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#
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# Report what happened
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#
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if [[ -e $INDEXFILE ]]; then
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echo "${green}Generated index in $INDEXFILE${reset}"
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else
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echo "${red}Something went wrong; can't find $INDEXFILE${reset}"
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fi
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#
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# Set the status for this show
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#
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echo "index" >> "$STATUS"
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else
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_dryrun "Would have generated index file ${yellow}$INDEXFILE${reset}"
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fi
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# vim: syntax=sh:ts=8:sw=4:ai:et:tw=78:fo=tcrqn21:fdm=marker
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