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|
#!/bin/sh
# mless [MSG] - less(1)-wrapper around mshow
PATH="${0%/*}:$PATH"
colormsg() {
awk '
function fg(c, s) { return sprintf("\033[38;5;%03dm%s\033[0m", c, s) }
function so(s) { return sprintf("\033[1m%s\033[0m", s) }
BEGIN { hdr = 1 }
/^$/ { hdr = 0 }
/^-- $/ { ftr = 1 }
/^--- .* ---/ { print fg(242, $0); ftr = 0; sig = 0; next }
/^-----BEGIN .* SIGNATURE-----/ { sig = 1 }
hdr && /^From:/ { print so(fg(119, $0)); next }
hdr { print fg(120, $0); next }
ftr { print fg(244, $0); next }
/^-----BEGIN .* MESSAGE-----/ ||
/^-----END .* SIGNATURE-----/ { print fg(244, $0); sig = 0; next }
sig { print fg(244, $0); next }
/^>/ { print fg(151, $0); next }
{ print }'
}
colorscan() {
awk '
function fg(c, s) { return sprintf("\033[38;5;%03dm%s\033[0m", c, s) }
function so(s) { return sprintf("\033[1m%s\033[0m", s) }
/^>/ { print so(fg(119, $0)); next }
/^ *\\_/ { print fg(242, $0); next }
{ print }'
}
if [ "$1" = --filter ]; then
if [ "$2" = //scan ]; then
mscan : 2>/dev/null | colorscan
exit $?
fi
mseq -C "$2"
mscan .-2:.+3 2>/dev/null | colorscan
echo
if ! [ -f "$(mseq -r "$2")" ]; then
mseq "$2"
exit
fi
if [ $MLESS_RAW -eq 0 ]; then
if [ $MLESS_HTML -eq 1 ]; then
mshow -A text/html "$2"
else
mshow "$2"
fi | colormsg
else
mseq -r $2
echo
cat "$(mseq -r $2)"
fi
exit $?
fi
if [ "$#" -eq 0 ] && ! [ -t 0 ]; then
mseq -S >/dev/null
set -- :
fi
if ! [ -t 1 ]; then
exec mseq :
fi
case "$0" in
*mnext) set -- +;;
*mprev) set -- -;;
*) set -- ${1:-.};;
esac
if [ "$#" -eq 1 ]; then
mseq -C "$1"
fi
nl="
"
export MLESS_RAW=0
export MLESS_HTML=0
while :; do
[ -f $HOME/.mless ] && export LESSKEY=$HOME/.mless
LESSOPEN="|$0 --filter %s" \
less -Ps"mless %f?m (message %i of %m).." -R \
"+:e $(mscan -n .)$nl" //scan $(mscan -n :)
case "$?" in
0|1) exit $?;;
78) # N go to next unseen message
mseq -C "$(mseq -r .: |
awk -F':2,' '$1 !~ /^</ && $2 !~ /S/ { print; exit }')";;
107) # k next thread
mseq -C "$(mseq .+1: | grep -m1 '^[^ <]')";;
100) # d mark read
mflag -S .
mseq -f : | mseq -S
mseq -C +
;;
82) # R toggle raw mode
MLESS_RAW=$((1-$MLESS_RAW))
;;
72) # H toggle HTML mode
MLESS_HTML=$((1-$MLESS_HTML))
;;
esac
done
|
