diff options
| -rwxr-xr-x | ranger/data/scope.sh | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/ranger/data/scope.sh b/ranger/data/scope.sh index 66b52d23..95d28318 100755 --- a/ranger/data/scope.sh +++ b/ranger/data/scope.sh @@ -1,5 +1,4 @@ #!/bin/bash - # This script is called whenever you preview a file. # Its output is used as the preview. ANSI color codes are supported. @@ -10,8 +9,8 @@ # Meanings of exit codes: # code | meaning | action of ranger # -----+------------+------------------------------------------- -# 0 | success | display stdout as preview -# 1 | no preview | display no preview at all +# 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 @@ -22,13 +21,17 @@ 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) +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 "$path") extension=$(echo "$path" | grep '\.' | grep -o '[^.]\+$') -# Other useful stuff -maxln=200 # print up to $maxln lines -function have { type -P "$1" > /dev/null; } # test if program is installed +# Functions: +# "have $1" succeeds if $1 is an existing command/installed program +function have { type -P "$1" > /dev/null; } +# "sucess" returns the exit code of the first program in the last pipe chain +function success { test ${PIPESTATUS[0]} = 0; } case "$extension" in # Archive extensions: @@ -38,8 +41,8 @@ case "$extension" in exit 1;; # PDF documents: pdf) - pdftotext -q "$path" - | head -n $maxln && exit 3 - exit 1;; + fpdftotext -q "$path" - | head -n $maxln + success && exit 3 || exit 1;; # HTML Pages: htm|html|xhtml) have lynx && lynx -dump "$path" | head -n $maxln && exit 5 @@ -50,16 +53,16 @@ esac case "$mimetype" in # Syntax highlight for text files: text/* | */xml) - (highlight --ansi "$path" || cat "$path") | head -n $maxln - exit 5;; + highlight --ansi "$path" | head -n $maxln + success && exit 5 || exit 2;; # Ascii-previews of images: image/*) img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;; # Display information about media files: video/* | audio/*) # Use sed to remove spaces so the output fits into the narrow window - have mediainfo && mediainfo "$path" | sed 's/ \+:/: /;' && - exit 5 || exit 1; + mediainfo "$path" | sed 's/ \+:/: /;' + success && exit 5 || exit 1;; esac exit 1 |