diff options
author | luxagraf <sng@luxagraf.net> | 2020-02-16 13:23:56 -0500 |
---|---|---|
committer | luxagraf <sng@luxagraf.net> | 2020-02-16 13:23:56 -0500 |
commit | cd507c92f617d4a8a3f7bb0b43e425491ef7184d (patch) | |
tree | 42144ef0f35b91e7955f570c5ecc4bcec3c4d780 /.config/ranger/scopeold.sh |
initial commit of dotfiles
Diffstat (limited to '.config/ranger/scopeold.sh')
-rwxr-xr-x | .config/ranger/scopeold.sh | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/.config/ranger/scopeold.sh b/.config/ranger/scopeold.sh new file mode 100755 index 0000000..a0fb2ec --- /dev/null +++ b/.config/ranger/scopeold.sh @@ -0,0 +1,121 @@ +#!/usr/bin/env sh +# ranger supports enhanced previews. If the option "use_preview_script" +# is set to True and this file exists, this script will be called and its +# output is displayed in ranger. ANSI color codes are supported. + +# NOTES: This script is considered a configuration file. If you upgrade +# ranger, it will be left untouched. (You must update it yourself.) +# Also, ranger disables STDIN here, so interactive scripts won't work properly + +# Meanings of exit codes: +# code | meaning | action of ranger +# -----+------------+------------------------------------------- +# 0 | success | success. display stdout as preview +# 1 | no preview | failure. display no preview at all +# 2 | plain text | display the plain content of the file +# 3 | fix width | success. Don't reload when width changes +# 4 | fix height | success. Don't reload when height changes +# 5 | fix both | success. Don't ever reload +# 6 | image | success. display the image $cached points to as an image preview +# 7 | image | success. display the file directly as an image + +# Meaningful aliases for arguments: +path="$1" # Full path of the selected file +width="$2" # Width of the preview pane (number of fitting characters) +height="$3" # Height of the preview pane (number of fitting characters) +cached="$4" # Path that should be used to cache image previews +preview_images="$5" # "True" if image previews are enabled, "False" otherwise. + +maxln=200 # Stop after $maxln lines. Can be used like ls | head -n $maxln + +# Find out something about the file: +mimetype=$(file --mime-type -Lb "$path") +extension=$(/bin/echo "${path##*.}" | awk '{print tolower($0)}') + +# Functions: +# runs a command and saves its output into $output. Useful if you need +# the return value AND want to use the output in a pipe +try() { output=$(eval '"$@"'); } + +# writes the output of the previously used "try" command +dump() { /bin/echo "$output"; } + +# a common post-processing function used after most commands +trim() { head -n "$maxln"; } + +# wraps highlight to treat exit code 141 (killed by SIGPIPE) as success +safepipe() { "$@"; test $? = 0 -o $? = 141; } + +# Image previews, if enabled in ranger. +if [ "$preview_images" = "True" ]; then + case "$mimetype" in + # Image previews for SVG files, disabled by default. + ###image/svg+xml) + ### convert "$path" "$cached" && exit 6 || exit 1;; + # Image previews for image files. w3mimgdisplay will be called for all + # image files (unless overriden as above), but might fail for + # unsupported types. + image/*) + exit 7;; + # Image preview for video, disabled by default.: + ###video/*) + ### ffmpegthumbnailer -i "$path" -o "$cached" -s 0 && exit 6 || exit 1;; + esac +fi + +case "$extension" in + # Archive extensions: + a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\ + rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip) + try als "$path" && { dump | trim; exit 0; } + try acat "$path" && { dump | trim; exit 3; } + try bsdtar -lf "$path" && { dump | trim; exit 0; } + exit 1;; + rar) + # avoid password prompt by providing empty password + try unrar -p- lt "$path" && { dump | trim; exit 0; } || exit 1;; + 7z) + # avoid password prompt by providing empty password + try 7z -p l "$path" && { dump | trim; exit 0; } || exit 1;; + # PDF documents: + pdf) + try pdftotext -l 10 -nopgbrk -q "$path" - && \ + { dump | trim | fmt -s -w $width; exit 0; } || exit 1;; + # BitTorrent Files + torrent) + try transmission-show "$path" && { dump | trim; exit 5; } || exit 1;; + # ODT Files + odt|ods|odp|sxw) + try odt2txt "$path" && { dump | trim; exit 5; } || exit 1;; + # HTML Pages: + htm|html|xhtml) + try w3m -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; } + try lynx -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; } + try elinks -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; } + ;; # fall back to highlight/cat if the text browsers fail +esac + +case "$mimetype" in + # Syntax highlight for text files: + text/* | */xml) + if [ "$(tput colors)" -ge 256 ]; then + pygmentize_format=terminal256 + highlight_format=xterm256 + else + pygmentize_format=terminal + highlight_format=ansi + fi + try safepipe highlight --out-format=${highlight_format} "$path" && { dump | trim; exit 5; } + try safepipe pygmentize -f ${pygmentize_format} "$path" && { dump | trim; exit 5; } + exit 2;; + # Ascii-previews of images: + image/*) + img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;; + # Display information about media files: + video/* | audio/*) + exiftool "$path" && exit 5 + # Use sed to remove spaces so the output fits into the narrow window + try mediainfo "$path" && { dump | trim | sed 's/ \+:/: /;'; exit 5; } || exit 1;; +esac + +exit 1 |