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bin/b: enable previewing of pdfs and videos

This commit is contained in:
xeruf 2021-11-30 14:53:47 +01:00
parent 4477be2f02
commit bcc4c85c37
1 changed files with 62 additions and 19 deletions
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81
.local/bin/scripts/b
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@ -1,28 +1,71 @@
#!/bin/bash #!/bin/bash
# [b]rowse - custom ls or bat depending on file type # [b]rowse - overview of given files or current directory
# Show type & contents of given files or PWD # depends: tput stat bat checkaccess
# depends: tput stat bat neovim # optdepends: timg, neovim (compressed files), pdftoppm (PDF), mtn (video)
# args: files to inspect # args: files to inspect
#
# Supports:
# - listing directories
# - listing contents of any compressed file with neovim
# - visual files are displayed with timg
# video thumbnails via mtn, pdf pages from pdftoppm
# - text files are displayed through bat
# Automatically requests elevation through sudo when needed
set -eo pipefail set -eo pipefail
# get the last arg or current dir
for last; do true; done for last; do true; done
last=${last:-.} last=${last:-.}
checkaccess -r "$last" || elevate=sudo checkperm() {
tput setaf 4 && $elevate file -E "$last" | { grep -v --color=never 'directory$' || true; } checkaccess -r "$@" || elevate=sudo
mime="$(test -n "$shifted" || $elevate file --dereference --mime "$@")"
}
checkperm "$last"
case "$($elevate file --dereference --mime "$last")" in fileinfo() {
(*inode/directory*) tput sgr0 && $(test -x "$last" || echo "sudo") ls -l --color=always --human-readable --group-directories-first --file-type --dereference-command-line --all "$@" | less -RF;; for arg
(*binary) do case "$arg" in (-*) continue;; esac
case "$(file "$last")" in tput setaf 4 && $elevate file -E "$arg"
(*:\ *compress*) /usr/share/nvim/runtime/macros/less.sh "$@";; tput setaf 3 && $elevate stat --format '%A size %sB, birth %.10w mod %.10y' "$arg"
(*:\ *\ image\ data*) viu --height "$(echo $LINES/2 | bc)" "$@";; done
esac }
tput setaf 3 && $elevate stat --format '%A size %sB, birth: %.10w mod %.10y' "$last"
;; case "$mime" in
(*) $elevate bat --style header "$@" --pager 'less -RF' (*\ inode/directory\;*) tput sgr0 &&
tput setaf 3 && $elevate stat --format '%A size %sB, birth: %.10w mod %.10y' "$last" $(test -x "$last" || echo "sudo") ls -l --color=always --human-readable --group-directories-first --file-type --dereference-command-line --all "$@" | less -RF;;
# TODO don't duplicate stat (*binary|*-8bit)
;; prefix=/tmp/b
mkdir -p "$prefix"
for arg; do
case "$arg" in (-*) continue;; esac
checkperm "$arg"
fileinfo "$arg"
grid=$(expr $(tput cols) / 20)
case "$mime" in
(*\ application/pdf\;*)
out="$prefix/$(basename "$arg")"
test -f "$out-1.png" || pdftoppm -r 70 "$arg" "$out" -l $(expr $grid '*' 2)
timg -W --grid=$grid "$out"*
;;
(*\ video/*)
suffix=_thumbs.jpg
mtn -i -t -W -D6 -b 0,6 -c $grid -w $(expr $(tput cols) '*' 20) -O $prefix -o $suffix "$arg" 2>/dev/null
timg -W "$prefix/$(basename "${arg%.*}")$suffix"
;;
(*)
case "$(file "$arg")" in
(*:\ *compress*) /usr/share/nvim/runtime/macros/less.sh "$arg";;
(*:\ *\ image\ data*) timg --center $(test $# -gt 1 &&
echo "--title --grid=$(expr $(tput cols) / 30)" ||
echo "-g 60x$(expr $(tput lines) / 2)") "$@"
exit $?;;
esac
;;
esac
done
;;
(*)
fileinfo "$@"
$elevate bat --style header "$@" --pager 'less -RF'
;;
esac esac