138 lines
2.6 KiB
Bash
Executable File
138 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# get configuration & data directories
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DATA="$HOME/.cache/trss"
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CONFIG="$HOME/.config/trss"
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MODE=""
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# make sure these directories are in place
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mkdir -p "$DATA"
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mkdir -p "$CONFIG"
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import_information () {
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FEEDS=""
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for i in "$CONFIG"/*; do
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. "$i"
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[ -z "$FEEDS" ] && FEEDS="$NAME" || FEEDS="$FEEDS $NAME"
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done
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}
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synchronize () {
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for i in $FEEDS; do
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url="$(get_feed_attr "$i" feed)"
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printf "> synchronizing feed %s via url %s\n" "$i" "$url"
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curl "$url" -so "$DATA/${i}.xml"
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# generate sfeed formatted file
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printf "> creating sfeed compound feed file for feed %s\n" "$i"
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cat "$DATA/${i}.xml" | sfeed | cat - "$DATA/${i}.sfeed" | sort -u | sort -r -k 1 >> "$DATA/${i}.tmp.sfeed"
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mv "$DATA/${i}.tmp.sfeed" "${DATA}/${i}.sfeed"
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done
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}
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get_feed_attr () {
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eval "printf '%s' \${$1_$2}"
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}
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cli_loop () {
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read -p "$MODE\$ " input
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case "$input" in
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"ls"*)
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ls_handler $input
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;;
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"cd"*)
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cd_handler $input
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;;
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"cat"*)
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cat_handler $input
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;;
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"sync"*)
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sync_handler $input
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;;
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"set"*)
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set_handler $input
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;;
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esac
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}
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ls_handler () {
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if [ -z "$MODE" ]; then
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# just list all the feeds
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for i in $FEEDS; do
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printf "%s\n" "$i"
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done
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else
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# we have to list all the items in the feed
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# check first if feed is downloaded
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if [ -f "$DATA/${MODE}.sfeed" ]; then
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awk -F'\t' '{ print $2 }' "$DATA/${MODE}.sfeed"
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else
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printf "synchronization of feed %s required\n" "$MODE"
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fi
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fi
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}
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cd_handler () {
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if [ -z "$MODE" ]; then
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# we're in the home state
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[ -z "$2" ] && return
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[ "$2" = ".." ] && return
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# check if $2 is a valid feed
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j=0
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for i in $FEEDS; do
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[ "$2" = "$i" ] && j=1
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done
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if [ "$j" -ne 1 ]; then
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printf "trss: couldn't find feed %s\n" "$2"
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return
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fi
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# set the $MODE to the feed
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MODE="$2"
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else
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# we're in an individual feed
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[ -z "$2" ] && MODE="" && return
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[ "$2" = ".." ] && MODE="" && return
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printf "trss: couldn't find feed %s\n" "$2"
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fi
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}
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sync_handler () {
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synchronize
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}
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set_handler () {
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printf "stub, use +x or -x to disable/enable debug output\n"
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}
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cat_handler () {
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realargs="$(printf '%s\n' "$@" | tr '\n' ' ' | sed 's/^cat //g;s/ $//g')"
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[ -z "$MODE" ] && printf "couldn't find entry matching %s\n" "$realargs"
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results="$(awk -F'\t' -v pat="$realargs" '$2 ~ pat { print $0 }' "$DATA/${MODE}.sfeed")"
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OLDIFS="$IFS"
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IFS="
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"
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for i in $results; do
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entry="$(printf "%s" "$i" | awk -F'\t' '{ print $4 }')"
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printf "%s\n" "$entry" |
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sed -e 's|\\n|\n|g' -e 's|\\t|\t|g' |
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lynx -stdin
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IFS="$OLDIFS"
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return
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done
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printf "couldn't find any entries matching %s\n" "$realargs"
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}
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import_information
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while true; do
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cli_loop
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done
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