diff options
| -rwxr-xr-x | ranger/data/scope.sh | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/ranger/data/scope.sh b/ranger/data/scope.sh index 9ce35fd9..c99f715b 100755 --- a/ranger/data/scope.sh +++ b/ranger/data/scope.sh @@ -3,15 +3,9 @@ # This script is called whenever you preview a file. # Its output is used as the preview. ANSI color codes are supported. -# NOTE: This is considered to be a configuration file. If you upgrade +# NOTES: This script is considered a configuration file. If you upgrade # ranger, it will be left untouched. (You must update it yourself) - -# Meanings of arguments: -# name | meaning -# -----+-------------------------------------------------------- -# $1 | Full filename of the selected file -# $2 | Width of the preview pane (number of fitting characters) -# $3 | Height of the preview pane (number of fitting characters) +# NEVER make this script interactive. (by starting mplayer or something) # Meanings of exit codes: # code | meaning | action of ranger @@ -19,31 +13,47 @@ # 0 | success | display stdout as preview # 1 | no preview | 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 + +# Meaningful aliases for arguments: +path="$1" # Full path of the selected file +width="$2" # Width of the preview pane (number of fitting characters) +height="$3" # Height of the preview pane (number of fitting characters) + +# Find out something about the file: +mimetype=$(file --mime-type -Lb "$path") +extension=$(echo "$path" | grep '\.' | grep -o '[^.]\+$') -mimetype=$(file --mime-type -Lb "$1") -extension=$(echo "$1" | grep '\.' | grep -o '[^.]\+$') +# Other useful stuff +maxln=200 # print up to $maxln lines +function have { type -P "$1" > /dev/null; } # test if program is installed case "$extension" in # Archive extensions: 7z|a|ace|alz|arc|arj|bz|bz2|cab|cpio|gz|jar|lha|lz|lzh|lzma|lzo\ |rar|rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xz|Z|zip) - atool -l "$1" || exit 1 - exit 0;; + atool -l "$path" | head -n $maxln && exit 3 + exit 1;; + pdf) + pdftotext "$path" | head -n $maxln && exit 3 + exit 1;; # HTML Pages: htm|html|xhtml) - lynx -dump "$1" || elinks -dump "$1" || exit 1 - exit 0;; + have lynx && lynx -dump "$path" | head -n $maxln && exit 5 + have elinks && elinks -dump "$path" | head -n $maxln && exit 5 + ;; # fall back to highlight/cat if theres no lynx/elinks esac case "$mimetype" in # Syntax highlight for text files: text/* | */xml) - highlight --ansi "$1" || cat "$1" || exit 1 - exit 0;; + (highlight --ansi "$path" || cat "$path") | head -n $maxln + exit 5;; # Ascii-previews of images: image/*) - img2txt -W "$2" "$1" || exit 1 - exit 0;; + img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;; esac exit 1 |