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Use FZF_PREVIEW_HEIGHT if available. Requires fzf 0.16.7.

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Close #361
This commit is contained in:
Junegunn Choi
2017-04-30 12:06:41 +09:00
parent 8ffd3fb0ba
commit d99169da2d
2 changed files with 24 additions and 17 deletions
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31
bin/preview.sh
View File

@@ -4,13 +4,13 @@ REVERSE="\x1b[7m"
RESET="\x1b[m"
if [ "$1" == "-v" ]; then
SPLIT=1
shift
SPLIT=1
shift
fi
if [ -z "$1" ]; then
echo "usage: $0 [-v] FILENAME[:LINENO][:IGNORED]"
exit 1
echo "usage: $0 [-v] FILENAME[:LINENO][:IGNORED]"
exit 1
fi
IFS=':' read -r -a INPUT <<< "$1"
@@ -18,8 +18,8 @@ FILE=${INPUT[0]}
CENTER=${INPUT[1]}
if [ ! -r "$FILE" ]; then
echo "File not found ${FILE}"
exit 1
echo "File not found ${FILE}"
exit 1
fi
if [[ "$(file --mime "$FILE")" =~ binary ]]; then
@@ -28,22 +28,25 @@ if [[ "$(file --mime "$FILE")" =~ binary ]]; then
fi
if [ -z "$CENTER" ]; then
CENTER=1
CENTER=1
fi
if [ -r /dev/tty ]; then
LINES=$(stty size < /dev/tty | awk '{print $1}')
if [ -n "$FZF_PREVIEW_HEIGHT" ]; then
LINES=$FZF_PREVIEW_HEIGHT
else
if [ -r /dev/tty ]; then
LINES=$(stty size < /dev/tty | awk '{print $1}')
else
LINES=40
fi
if [ -n "$SPLIT" ]; then
fi
if [ -n "$SPLIT" ]; then
LINES=$(($LINES/2)) # using horizontal split
fi
LINES=$(($LINES-2)) # remove preview border
fi
LINES=$(($LINES-2)) # remove preview border
FIRST=$(($CENTER-$LINES/3))
FIRST=$(($FIRST < 1 ? 1 : $FIRST))
LAST=$((${FIRST}+${LINES}-1))
awk "NR >= $FIRST && NR <= $LAST {if (NR == $CENTER) printf(\"\x1b[7m%5d %s\n\x1b[m\", NR, \$0); else printf(\"%5d %s\n\", NR, \$0)}" $FILE
awk "NR >= $FIRST && NR <= $LAST {if (NR == $CENTER) printf(\"$REVERSE%5d %s\n$RESET\", NR, \$0); else printf(\"%5d %s\n\", NR, \$0)}" $FILE