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preview-tui: ensure 1st hovered file is previewed (#561)

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lvgx 2020-05-06 19:25:14 +02:00 committed by GitHub
parent 11c9648774
commit fcab64263e
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 24 additions and 18 deletions
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42
plugins/preview-tui
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@ -23,6 +23,25 @@
TERMINAL="${TERMINAL:-xterm}" TERMINAL="${TERMINAL:-xterm}"
preview_file () {
clear
lines=$(($(tput lines)-1))
cols=$(tput cols)
mime="$(file -b --mime-type "$1")"
if [ -d "$1" ]; then
# Print directory tree
cd "$1" && tree | head -n $lines | cut -c 1-"$cols"
elif [ "${mime%%/*}" = "text" ] ; then
# Print file head
head -n $lines "$1" | cut -c 1-"$cols"
else
# Binary file
echo "-------- Binary file --------"
file -b "$1"
fi
}
if [ "$PREVIEW_MODE" ] ; then if [ "$PREVIEW_MODE" ] ; then
if [ ! -r "$NNN_FIFO" ] ; then if [ ! -r "$NNN_FIFO" ] ; then
echo "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')" >&2 echo "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')" >&2
@ -30,30 +49,17 @@ if [ "$PREVIEW_MODE" ] ; then
exit 1 exit 1
fi fi
preview_file "$1"
exec < "$NNN_FIFO" exec < "$NNN_FIFO"
while read -r selection ; do while read -r selection ; do
clear preview_file "$selection"
lines=$(($(tput lines)-1))
cols=$(tput cols)
mime="$(file -b --mime-type "$selection")"
if [ -d "$selection" ]; then
# Print directory tree
cd "$selection" && tree | head -n $lines | cut -c 1-"$cols"
elif [ "${mime%%/*}" = "text" ] ; then
# Print file head
head -n $lines "$selection" | cut -c 1-"$cols"
else
# Binary file
echo "-------- Binary file --------"
file -b "$selection"
fi
done done
exit 0 exit 0
fi fi
if [ -e "${TMUX%%,*}" ] && [ "$(tmux -V | cut -c6)" -eq 3 ] ; then if [ -e "${TMUX%%,*}" ] && [ "$(tmux -V | cut -c6)" -eq 3 ] ; then
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -dh "$0" tmux split-window -e "NNN_FIFO=$NNN_FIFO" -e "PREVIEW_MODE=1" -dh "$0" "$1"
else else
PREVIEW_MODE=1 $TERMINAL -e "$0" & PREVIEW_MODE=1 $TERMINAL -e "$0" "$1" &
fi fi