fzf-preview.sh (1163B)
1 #!/usr/bin/env bash 2 3 REVERSE="\x1b[7m" 4 RESET="\x1b[m" 5 6 if [ -z "$1" ]; then 7 echo "usage: $0 FILENAME[:LINENO][:IGNORED]" 8 exit 1 9 fi 10 11 IFS=':' read -r -a INPUT <<< "$1" 12 FILE=${INPUT[0]} 13 CENTER=${INPUT[1]} 14 15 if [[ $1 =~ ^[A-Z]:\\ ]]; then 16 FILE=$FILE:${INPUT[1]} 17 CENTER=${INPUT[2]} 18 fi 19 20 if [ ! -r "$FILE" ]; then 21 echo "File not found ${FILE}" 22 exit 1 23 fi 24 25 if [[ "$(file --dereference --mime "$FILE")" =~ binary ]]; then 26 echo "$1 is a binary file" 27 exit 0 28 fi 29 30 if [ -z "$CENTER" ]; then 31 CENTER=0 32 fi 33 34 if [ -z "$LINES" ]; then 35 if [ -r /dev/tty ]; then 36 LINES=$(stty size < /dev/tty | awk '{print $1}') 37 else 38 LINES=40 39 fi 40 fi 41 42 FIRST=$(($CENTER-$LINES/3)) 43 FIRST=$(($FIRST < 1 ? 1 : $FIRST)) 44 LAST=$((${FIRST}+${LINES}-1)) 45 46 DEFAULT_COMMAND="bat --style=numbers --color=always {} || highlight -O ansi -l {} || coderay {} || rougify {} || cat {}" 47 CMD=${FZF_PREVIEW_COMMAND:-$DEFAULT_COMMAND} 48 CMD=${CMD//{\}/$(printf %q "$FILE")} 49 50 eval "$CMD" 2> /dev/null | awk "NR >= $FIRST && NR <= $LAST { \ 51 if (NR == $CENTER) \ 52 { gsub(/\x1b[[0-9;]*m/, \"&$REVERSE\"); printf(\"$REVERSE%s\n$RESET\", \$0); } \ 53 else printf(\"$RESET%s\n\", \$0); \ 54 }"