87 lines
1.9 KiB
Bash
87 lines
1.9 KiB
Bash
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#!/usr/bin/env bash
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REVERSE="\x1b[7m"
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RESET="\x1b[m"
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if [[ $# -lt 1 ]]; then
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echo "usage: $0 [--tag] FILENAME[:LINENO][:IGNORED]"
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exit 1
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fi
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if [[ $1 = --tag ]]; then
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shift
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"$(dirname "${BASH_SOURCE[0]}")/tagpreview.sh" "$@"
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exit $?
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fi
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# Ignore if an empty path is given
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[[ -z $1 ]] && exit
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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 [[ "$1" =~ ^[A-Za-z]:\\ ]]; then
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FILE=$FILE:${INPUT[1]}
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CENTER=${INPUT[2]}
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fi
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if [[ -n "$CENTER" && ! "$CENTER" =~ ^[0-9] ]]; then
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exit 1
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fi
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CENTER=${CENTER/[^0-9]*/}
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# MS Win support
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if [[ "$FILE" =~ '\' ]]; then
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if [ -z "$MSWINHOME" ]; then
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MSWINHOME="$HOMEDRIVE$HOMEPATH"
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fi
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if grep -qEi "(Microsoft|WSL)" /proc/version &> /dev/null ; then
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MSWINHOME="${MSWINHOME//\\/\\\\}"
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FILE="${FILE/#\~\\/$MSWINHOME\\}"
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FILE=$(wslpath -u "$FILE")
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elif [ -n "$MSWINHOME" ]; then
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FILE="${FILE/#\~\\/$MSWINHOME\\}"
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fi
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fi
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FILE="${FILE/#\~\//$HOME/}"
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if [ ! -r "$FILE" ]; then
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echo "File not found ${FILE}"
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exit 1
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fi
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if [ -z "$CENTER" ]; then
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CENTER=0
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fi
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# Sometimes bat is installed as batcat.
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if command -v batcat > /dev/null; then
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BATNAME="batcat"
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elif command -v bat > /dev/null; then
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BATNAME="bat"
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fi
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if [ -z "$FZF_PREVIEW_COMMAND" ] && [ "${BATNAME:+x}" ]; then
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${BATNAME} --style="${BAT_STYLE:-numbers}" --color=always --pager=never \
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--highlight-line=$CENTER -- "$FILE"
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exit $?
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fi
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FILE_LENGTH=${#FILE}
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MIME=$(file --dereference --mime -- "$FILE")
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if [[ "${MIME:FILE_LENGTH}" =~ binary ]]; then
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echo "$MIME"
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exit 0
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fi
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DEFAULT_COMMAND="highlight -O ansi -l {} || coderay {} || rougify {} || cat {}"
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CMD=${FZF_PREVIEW_COMMAND:-$DEFAULT_COMMAND}
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CMD=${CMD//{\}/$(printf %q "$FILE")}
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eval "$CMD" 2> /dev/null | awk "{ \
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if (NR == $CENTER) \
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{ gsub(/\x1b[[0-9;]*m/, \"&$REVERSE\"); printf(\"$REVERSE%s\n$RESET\", \$0); } \
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else printf(\"$RESET%s\n\", \$0); \
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}"
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