bin: odd bits and additions

.local/bin/scripts/b

@@ -10,7 +10,7 @@
 # - 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
+# Usually automatically requests elevation through sudo when needed
 # TODO .raw,.iso,.qcow2
 
 set -o pipefail
@@ -43,10 +43,10 @@ fileinfo() {
 		$elevate file --exclude elf -E "$arg"
 		tput rmso
 		$elevate ssh-keygen -l -f "$arg" 2>/dev/null || true
-		# TODO do not grep bitrate but extract properly
+		# I think this check is here to avoid scrolling text interpreted as video
 		#probe="$($elevate ffprobe "$arg" 2>&1)"
 		#echo $probe | grep -v -e '00:00:00.04' -e 'ansi' &&
-		{ ! $inspect && $elevate ffprobe -hide_banner "$arg" 2>&1 | grep "bitrate: ....\? " | sed 's/, start:[^,]\+,/,/'; } ||
+		{ ! $inspect && $elevate ffprobe -hide_banner "$arg" 2>&1 | grep -E "bitrate: .{3,5} " | sed 's/, start:[^,]\+,/,/'; } ||
 			$elevate stat --format "%U:%G %A %s $(
 					size="$($elevate unzip -l "$arg" 2>/dev/null | tail -1)" &&
 						echo "(uncompressed $(echo $size | cut -d' ' -f1 | numfmt --to=iec-i --suffix=B))"
@@ -95,6 +95,8 @@ for arg; do
 		timg+=("$tmpfile");;
 	(*\ video/*)
 		suffix=_thumbs.jpg
+		# TODO sometimes duration mismatch for short videos
+		test $(printf "%.0f" $(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$arg")) -gt 3 &&
 		mtn -q -i -t -W -r$(expr 5 - $# \& $# \< 4 \| 1) -D6 -b 0.6 -c $grid -w $(expr $(tput cols) '*' 20) \
 			-O "$prefix" -o "$suffix" "$arg" &&
 		timg -W "$prefix/$(basename -- "${arg%.*}")$suffix"
@@ -139,7 +141,7 @@ for arg; do
 				fi
 			esac
 			;;
-		(*:\ SQLite\ *\ database*) highlight "Tables" && sqlite3 "$arg" ".tables";;
+		(*:\ SQLite\ *\ database*) highlight "Tables" && sqlite3 "$arg" ".tables";; # TODO for few tables: SELECT * FROM db LIMIT 3; | cut -c-$col
 		(*:\ data) ;;
 		(*\ key) bat+=("$arg");;
 		(*) bat+=("$arg")

.local/bin/scripts/checkpass

@@ -0,0 +1,21 @@
+#!/bin/bash -e
+# Verify the given password hash against a password
+if test "$1"
+then hash="$1"; shift
+else printf "Hash? " && read -r hash
+fi
+while echo "Type password (no echo) " && read -r -s password && test "$password"; do
+param=$(echo "$hash" | cut -d\$ -f3)
+# Check if hash contains parameters
+if test $(echo "$hash" | tr -cd \$ | wc -c) -gt 3
+then salt=$(echo "$hash" | cut -d\$ -f4)
+    salted_hash=$(mkpasswd -m sha-512 --"$param" --salt="$salt" "$password")
+else salted_hash=$(mkpasswd -m sha-512 --salt="$param" "$password")
+fi
+
+# Compare the generated hash with the original hash
+if [[ "$salted_hash" == "$hash" ]]
+then echo ":) Password correct"; break
+else echo "X  Password incorrect"
+fi
+done

.local/bin/scripts/clean

@@ -29,12 +29,6 @@ find -L -maxdepth 2 -type l -printf "Removing broken symlink %p\n" -delete 2>/de
 test -d /mnt/data/backups/mobile/ &&
 	mv -v $DATA/4*/backups/mobile/signal-* /mnt/data/backups/mobile/ 2>/dev/null
 
-highlight "y :: recursively remove empty folders and files"
-if [[ $1 =~ "y" ]]; then
-	find -name '.thumbnails' -printf "Pre-cleaning %p\n" -exec rm -r {} +
-	find \( -name ".stfolder" -o -name ".*keep" -o -name ".git" -o -name "tmp" -o -name ".nomedia" -o -name "__init__.py" -o -name "instalee" \) -prune -o -empty -printf "Removing empty %p\n" -exec rm -d {} +
-fi
-
 highlight "e :: remove downloaded emacs packages (rebuild takes minutes!)"
 [[ $1 =~ "e" ]] &&
 	find $DOOMLOCALDIR -maxdepth 1 \( -name straight -o -type f \) -printf "Removing %p\n" -exec rm -rf {} +

.local/bin/scripts/edit-config

@@ -21,7 +21,7 @@ conf_tmp="${conf_cache}.tmp"
 mkdir -p "$conf_cache_dir"
 touch "$conf_cache"
 
-sel=$(listconf | fzf -1 -0 --tiebreak=end,length --preview '$(test -r {} || echo "sudo") bat --color=always --style=numbers --line-range :200 {}' --query="$1" --history "$conf_cache_dir/searches")
+sel=$(listconf | fzf -1 -0 --tiebreak=end,length --preview '$(test -r {} || echo "sudo -n") bat --color=always --style=numbers --line-range :200 {}' --query="$1" --history "$conf_cache_dir/searches")
 case "$sel" in
   ("") exit 2;;
   (/etc/sudoers) sudo visudo;;

.local/bin/scripts/focus

@@ -6,7 +6,7 @@
 # TODO fails on "Alchemy"
 # TODO implement finding by tags
 PLAYLISTS="${PLAYLISTS:-$MUSIC/Playlists}"
-mpc -q clear || mpdr && mpc -q clear
+mpc -q clear || mpdr
 if test -z "$1"
 then mp -q "$PLAYLISTS/focus.m3u"
 else

.local/bin/scripts/kdeconnect-share

@@ -2,7 +2,7 @@
 kdeconnect-cli --refresh
 if ! test -f "$1"; then echo "Please specify a file to share" && exit 1; fi
 file="$1"
-device="$(kdeconnect-cli --list-available 2>/dev/null | fzf -0 -1 | cut -d' ' -f3)"
+device="$(kdeconnect-cli --list-available 2>/dev/null | fzf -0 -1 | sed -E 's|.*: ([^ ]*) .*|\1|')"
 test -z "$device" && kdeconnect-cli --list-devices && echo "No device available!" && exit 1
 shift
 kdeconnect-cli "--share=$file" -d "$device" "$@"

.local/bin/scripts/moul

@@ -28,6 +28,15 @@ case $1 in
     shift;;
 esac
 
+# FILE as loopback device
+if test -f "$arg"
+then set -e
+     loopdevice="$(sudo losetup -f)"
+     sudo losetup -P -v "$loopdevice" "$arg"
+     $0 "$loopdevice"
+     exit $?
+fi
+
 # FSTAB: BY LABEL
 if grep --word-regexp "LABEL=$arg" /etc/fstab
 then # have to mount twice as the first one might be creating the directory

.local/bin/scripts/rd

@@ -14,8 +14,10 @@ do
 				continue
 		fi
 
+		# Clean empty files
+		$elevate find -name '.thumbnails' -printf 'Pre-cleaning %p\n' -exec rm -r {} +
+		$elevate find -H "$f" -maxdepth $(expr 1 \& "$f" = "/" \| 5 \& $# \> 0 \| 3) \( -name '.stfolder' -o -name '.*keep' -o -name '*.py' -o -name 'nodelay.txt' -o -name '.git' -o -name 'tmp' -o -name '.nomedia' -o -name '__init__.py' -o -name '*ignore' -o -name 'instalee' \) \( -type d -o -type f \) -prune -o -empty -printf 'Removing empty %p\n' #-exec rm -d {} +
 		# $elevate find -H "$f" -maxdepth $(expr 1 \& "$f" = "/" \| 5 \& $# \> 0 \| 4) -type d -empty -name .stfolder -exec rm -div {} \;
-		$elevate find -H "$f" -maxdepth $(expr 1 \& "$f" = "/" \| 5 \& $# \> 0 \| 3) -not \( -name '.stfolder' -o -name '.*keep' -o -name "*.py" -o -name "nodelay.txt" \) \( -type d -o -type f \) -a -empty -printf 'Removing empty %p\n' -delete
 		test $# -eq 0 && exit $?
 		if test -e "$f"; then
 			echo -n "$f ($(ls -A "$f" | head -3 | paste -s -d' ')) " >&2 &&