009c58b481
Since 0.17.3, fzf exports $LINES and $COLUMNS to preview process. FZF_PREVIEW_HEIGHT will be deprecated.
55 lines
1 KiB
Bash
Executable file
55 lines
1 KiB
Bash
Executable file
#!/bin/bash
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REVERSE="\x1b[7m"
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RESET="\x1b[m"
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if [ "$1" == "-v" ]; then
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SPLIT=1
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shift
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fi
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if [ -z "$1" ]; then
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echo "usage: $0 [-v] FILENAME[:LINENO][:IGNORED]"
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exit 1
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fi
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IFS=':' read -r -a INPUT <<< "$1"
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FILE=${INPUT[0]}
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CENTER=${INPUT[1]}
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if [[ $1 =~ ^[A-Z]:\\ ]]; then
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FILE=$FILE:${INPUT[1]}
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CENTER=${INPUT[2]}
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fi
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if [ ! -r "$FILE" ]; then
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echo "File not found ${FILE}"
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exit 1
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fi
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if [[ "$(file --mime "$FILE")" =~ binary ]]; then
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echo "$1 is a binary file"
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exit 0
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fi
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if [ -z "$CENTER" ]; then
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CENTER=1
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fi
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if [ -z "$LINES" ]; then
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if [ -r /dev/tty ]; then
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LINES=$(stty size < /dev/tty | awk '{print $1}')
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else
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LINES=40
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fi
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if [ -n "$SPLIT" ]; then
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LINES=$(($LINES/2)) # using horizontal split
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fi
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LINES=$(($LINES-2)) # remove preview border
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fi
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FIRST=$(($CENTER-$LINES/3))
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FIRST=$(($FIRST < 1 ? 1 : $FIRST))
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LAST=$((${FIRST}+${LINES}-1))
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awk "NR >= $FIRST && NR <= $LAST {if (NR == $CENTER) printf(\"$REVERSE%5d %s\n$RESET\", NR, \$0); else printf(\"%5d %s\n\", NR, \$0)}" $FILE
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