89 lines
2.6 KiB
Bash
Executable File
89 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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# [b]rowse - overview of given files or current directory
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# depends: tput stat bat checkaccess
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# optdepends: timg, neovim (compressed files), pdftoppm (PDF), mtn (video)
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# args: files to inspect
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#
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# Supports:
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# - listing directories
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# - listing contents of any compressed file with neovim
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# - visual files are displayed with timg
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# video thumbnails via mtn, pdf pages from pdftoppm
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# - text files are displayed through bat
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# Automatically requests elevation through sudo when needed
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set -eo pipefail
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for last; do true; done
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last=${last:-.}
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checkperm() {
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checkaccess -r "$@" || elevate=sudo
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mime="$(test -n "$shifted" || $elevate file --dereference --mime "$@")"
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}
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checkperm "$last"
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fileinfo() {
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for arg
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do case "$arg" in (-*) continue;; esac
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tput setaf 4 && $elevate file -E "$arg"
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tput setaf 3 && $elevate stat --format '%A size %sB, birth %.10w mod %.10y' "$arg"
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done
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}
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prefix=/tmp/b
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mkdir -p "$prefix"
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declare -a timg bat ls
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for arg; do
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case "$arg" in (-*) args="$args $arg" continue;; esac
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checkperm "$arg"
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grid=$(expr $(tput cols) / 20)
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case "$mime" in
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(*\ application/pdf\;*)
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out="$prefix/$(basename "$arg")"
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test -f "$out-1.png" || pdftoppm -r 70 "$arg" "$out" -l $(expr $grid '*' 2)
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timg -W --grid=$grid "$out"*
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;;
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(*\ video/*)
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suffix=_thumbs.jpg
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mtn -i -t -W -D6 -b 0,6 -c $grid -w $(expr $(tput cols) '*' 20) -O $prefix -o $suffix "$arg" 2>/dev/null
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timg -W "$prefix/$(basename "${arg%.*}")$suffix"
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;;
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(*\ audio/*)
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img="$prefix/$arg.png"
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find "$img" -not -empty 2>/dev/null | grep --quiet . ||
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audiowaveform --quiet --pixels-per-second 5 --height 40 --width 2000 \
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--background-color 000000 --waveform-color 99BBFF --axis-label-color 000000 \
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--input-filename "$arg" --output-format png >"$img" &&
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timg -g $(tput cols)x2 --upscale "$img"
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;;
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(*\ image/*)
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timg+=("$arg"); continue;;
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(*\ inode/directory\;*)
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ls+=("$arg"); continue;;
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(*)
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case "$(file "$arg")" in
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(*:\ *compress*) /usr/share/nvim/runtime/macros/less.sh "$arg";;
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(*) bat+=("$arg"); continue;;
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esac
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;;
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esac
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fileinfo "$arg"
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done
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if test "$timg"; then
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$elevate timg --center -t0.3 $(test $# -gt 1 &&
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echo "--title --grid=$(expr $(tput cols) / 30)" ||
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echo "-g 60x$(expr $(tput lines) / 2)") "$@" 2>/dev/null || true
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fileinfo "${timg[@]}"
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fi
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if test "$bat"; then
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$elevate bat --style header --pager 'less -RF' $args "${bat[@]}"
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fileinfo "${bat[@]}"
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fi
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if test "$ls"; then
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tput sgr0
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$(test -x "$arg" || echo "sudo") ls -l $(test $# -gt ${#ls[@]} && echo "-d") --color=always --human-readable --group-directories-first --file-type --dereference-command-line --all "${ls[@]}" | less -RF
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fi
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