1 #!/bin/sh
2 # news - less(1) around mshow for my rss feeds
3 
4 # use a custom mblaze env
5 mkdir -p ~/.mblaze/news
6 export MBLAZE=~/.mblaze/news
7 
8 if [ "$1" = --filter ]; then
9 	if [ "$2" = //scan ]; then
10 		mscan : 2>/dev/null
11 		exit $?
12 	fi
13 
14 	mseq -C "$2"
15 
16 	total=$(mscan -n -- -1)
17 	case $2 in
18 		1)              mscan .-0:.+5 ;;
19 		2)              mscan .-1:.+4 ;;
20 		$((total - 2))) mscan .-3:.+2 ;;
21 		$((total - 1))) mscan .-4:.+1 ;;
22 		$total)         mscan .-5:.+0 ;;
23 		*)              mscan .-2:.+3 ;;
24 	esac 2>/dev/null
25 	echo
26 
27 	if ! [ -f "$(mseq -r "$2")" ]; then
28 		mseq "$2"
29 		exit
30 	fi
31 
32 	if [ $MLESS_RAW -eq 0 ]; then
33 		if [ $MLESS_HTML -eq 1 ]; then
34 			mshow -A text/html "$2"
35 		else
36 			mshow "$2"
37 		fi | mcolor
38 	else
39 		mseq -r "$2"
40 		echo
41 		cat "$(mseq -r "$2")"
42 	fi
43 	exit $?
44 fi
45 
46 if [ "$#" -eq 0 ] && ! [ -t 0 ]; then
47 	mseq -S >/dev/null
48 	set -- :
49 fi
50 
51 if ! [ -t 1 ]; then
52 	exec mseq :
53 fi
54 
55 [ "$#" -eq 1 ] && set -- ${1:-.}
56 
57 if [ "$#" -ge 1 ]; then
58 	mseq -C "$1"
59 fi
60 
61 nl="
62 "
63 export MLESS_RAW=0
64 export MLESS_HTML=0
65 if [ -f "$MBLAZE/mlesskey" ]; then
66 	export LESSKEYIN="$MBLAZE/mlesskey"
67 elif [ -f "$HOME/.mblaze/mlesskey" ]; then
68 	export LESSKEYIN="$HOME/.mblaze/mlesskey"
69 elif [ -f "$HOME/.mlesskey" ]; then
70 	export LESSKEYIN="$HOME/.mlesskey"
71 elif [ -f "$MBLAZE/mless" ]; then
72 	export LESSKEY="$MBLAZE/mless"
73 elif [ -f "$HOME/.mblaze/mless" ]; then
74 	export LESSKEY="$HOME/.mblaze/mless"
75 elif [ -f "$HOME/.mless" ]; then
76 	export LESSKEY="$HOME/.mless"
77 fi
78 
79 MAILFEEDS_DIR="${MAILFEEDS_DIR:-$HOME/Maildir/op/rss}"
80 mlist -st "$MAILFEEDS_DIR" | mthread -r | mseq -S
81 
82 while :; do
83 	LESSOPEN="|$0 --filter %s" \
84 		less -Ps"mless %f?m (message %i of %m).." -R \
85 			"+:e $(mscan -n .)$nl" //scan $(mscan -n :)
86 	case "$?" in
87 	0|1) exit $?;;
88 	36) # $ goto end
89 		mseq -C '$' 2>/dev/null
90 		;;
91 	78) # N go to next unseen message
92 		nu=$(magrep -v -m1 :S .:) && mseq -C "$nu"
93 		;;
94 	79) # O open the news
95 		url="$(mhdr -h X-Rssgo-Email)"
96 		if [ $? -eq 0 -a -n "$url" ]; then
97 			xdg-open "$url"
98 		fi
99 		;;
100 	107) # k next thread
101 		mseq -C "$(mseq .+1: | sed -n '/^[^ <]/{p;q;}')"
102 		;;
103 	100) # d mark read
104 		mflag -S .
105 		mseq -f : | mseq -S
106 		mseq -C +
107 		;;
108 	82) # R toggle raw mode
109 		MLESS_RAW=$((1-$MLESS_RAW))
110 		;;
111 	72) # H read with w3m
112 		#MLESS_HTML=$((1-$MLESS_HTML))
113 		mshow -Nh '' | w3m -T text/html -
114 		;;
115 	94) # ^ goto parent
116 		mseq -C '.^' 2>/dev/null
117 		;;
118 	esac
119 done