improve 'lf' config. Finally read the F. manual
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127
private_dot_config/lf/executable_scopelf.sh
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127
private_dot_config/lf/executable_scopelf.sh
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#!/bin/sh
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set -C -f -u
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IFS=$'\n'
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## This is a minimal version of rangers scope.sh preview script, written for lf
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# ANSI color codes are supported.
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# STDIN is disabled, so interactive scripts won't work properly
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# This script is considered a configuration file and must be updated manually.
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# Meanings of exit codes:
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# code | meaning | action of ranger
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# -----+------------+-------------------------------------------
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# 0 | success | Display stdout as preview
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# 1 | no preview | Display no preview at all
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# 2 | plain text | Display the plain content of the file
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# Script arguments
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FILE_PATH="${1}" # Full path of the highlighted file
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FILE_EXTENSION="${FILE_PATH##*.}"
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FILE_EXTENSION_LOWER=$(echo ${FILE_EXTENSION} | tr '[:upper:]' '[:lower:]')
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# Settings
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HIGHLIGHT_SIZE_MAX=262143 # 256KiB
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HIGHLIGHT_TABWIDTH=8
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HIGHLIGHT_STYLE='pablo'
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PYGMENTIZE_STYLE='autumn'
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handle_extension() {
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case "${FILE_EXTENSION_LOWER}" in
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# Archive
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a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\
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rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip)
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atool --list -- "${FILE_PATH}"
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bsdtar --list --file "${FILE_PATH}"
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exit 1;;
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rar)
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# Avoid password prompt by providing empty password
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unrar lt -p- -- "${FILE_PATH}"
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exit 1;;
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7z)
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# Avoid password prompt by providing empty password
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7z l -p -- "${FILE_PATH}"
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exit 1;;
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# PDF
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pdf)
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# Preview as text conversion
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pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" -
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mutool draw -F txt -i -- "${FILE_PATH}" 1-10
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#exiftool "${FILE_PATH}"
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exit 1;;
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# BitTorrent
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torrent)
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transmission-show -- "${FILE_PATH}"
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exit 1;;
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# OpenDocument
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odt|ods|odp|sxw)
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# Preview as text conversion
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odt2txt "${FILE_PATH}"
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exit 1;;
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# HTML
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htm|html|xhtml)
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# Preview as text conversion
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w3m -dump "${FILE_PATH}"
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lynx -dump -- "${FILE_PATH}"
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elinks -dump "${FILE_PATH}"
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;; # Continue with next handler on failure
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esac
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}
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handle_mime() {
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local mimetype="${1}"
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case "${mimetype}" in
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# Text
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text/* | */xml)
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# Syntax highlight
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if [ "$( stat --printf='%s' -- "${FILE_PATH}" )" -gt "${HIGHLIGHT_SIZE_MAX}" ]; then
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exit 2
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fi
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if [ "$( tput colors )" -ge 256 ]; then
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local pygmentize_format='terminal256'
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local highlight_format='xterm256'
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else
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local pygmentize_format='terminal'
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local highlight_format='ansi'
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fi
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highlight --replace-tabs="${HIGHLIGHT_TABWIDTH}" --out-format="${highlight_format}" \
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--style="${HIGHLIGHT_STYLE}" --force -- "${FILE_PATH}"
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# pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}" -- "${FILE_PATH}"
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exit 2;;
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# Image
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image/*)
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# Preview as text conversion
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# img2txt --gamma=0.6 -- "${FILE_PATH}" && exit 1
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#exiftool "${FILE_PATH}"
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exit 1;;
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# Video and audio
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video/* | audio/*|application/octet-stream)
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mediainfo "${FILE_PATH}"
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#exiftool "${FILE_PATH}"
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exit 1;;
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esac
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}
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handle_fallback() {
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echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}"
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exit 1
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}
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MIMETYPE="$( file --dereference --brief --mime-type -- "${FILE_PATH}" )"
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handle_extension
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handle_mime "${MIMETYPE}"
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handle_fallback
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exit 1
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@ -1,3 +1,51 @@
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# interpreter for shell commands
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set shell sh
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# set '-eu' options for shell commands
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# These options are used to have safer shell commands. Option '-e' is used to
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# exit on error and option '-u' is used to give error for unset variables.
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# Option '-f' disables pathname expansion which can be useful when $f, $fs, and
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# $fx variables contain names with '*' or '?' characters. However, this option
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# is used selectively within individual commands as it can be limiting at
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# times.
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set shellopts '-eu'
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# set internal field separator (IFS) to "\n" for shell commands
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# This is useful to automatically split file names in $fs and $fx properly
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# since default file separator used in these variables (i.e. 'filesep' option)
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# is newline. You need to consider the values of these options and create your
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# commands accordingly.
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set ifs "\n"
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# leave some space at the top and the bottom of the screen
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set scrolloff 10
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# Use the `dim` attribute instead of underline for the cursor in the preview pane
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set cursorpreviewfmt "\033[7;2m"
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# use enter for shell commands
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map <enter> shell
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# show the result of execution of previous commands
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map ` !true
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# mkdir command. See wiki if you want it to select created dir
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map a :push %mkdir<space>""<c-b>
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# use '<delete>' key for 'delete' command
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map <delete> delete
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set drawbox true
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set info size
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set dircounts
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# preview script from ranger
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set previewer ~/.config/lf/scopelf.sh
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map i $~/.config/lf/scopelf.sh $f | less -R
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# use S for opening a shell
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map S $zsh
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# clear mark from files after pasting
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map p : paste; clear
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