69 lines
2.2 KiB
Plaintext
69 lines
2.2 KiB
Plaintext
# Compression
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compress() { tar -czf "${1%/}.tar.gz" "${1%/}"; }
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alias decompress="tar -xzf"
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# Write iso file to sd card
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iso2sd() {
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if [ $# -ne 2 ]; then
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echo "Usage: iso2sd <input_file> <output_device>"
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echo "Example: iso2sd ~/Downloads/ubuntu-25.04-desktop-amd64.iso /dev/sda"
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echo -e "\nAvailable SD cards:"
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lsblk -d -o NAME | grep -E '^sd[a-z]' | awk '{print "/dev/"$1}'
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else
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sudo dd bs=4M status=progress oflag=sync if="$1" of="$2"
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sudo eject $2
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fi
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}
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# Format an entire drive for a single partition using ext4
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format-drive() {
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if [ $# -ne 2 ]; then
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echo "Usage: format-drive <device> <name>"
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echo "Example: format-drive /dev/sda 'My Stuff'"
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echo -e "\nAvailable drives:"
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lsblk -d -o NAME -n | awk '{print "/dev/"$1}'
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else
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echo "WARNING: This will completely erase all data on $1 and label it '$2'."
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read -rp "Are you sure you want to continue? (y/N): " confirm
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if [[ "$confirm" =~ ^[Yy]$ ]]; then
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sudo wipefs -a "$1"
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sudo dd if=/dev/zero of="$1" bs=1M count=100 status=progress
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sudo parted -s "$1" mklabel gpt
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sudo parted -s "$1" mkpart primary ext4 1MiB 100%
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sudo mkfs.ext4 -L "$2" "$([[ $1 == *"nvme"* ]] && echo "${1}p1" || echo "${1}1")"
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sudo chmod -R 777 "/run/media/$USER/$2"
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echo "Drive $1 formatted and labeled '$2'."
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fi
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fi
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}
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# Transcode a video to a good-balance 1080p that's great for sharing online
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transcode-video-1080p() {
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ffmpeg -i $1 -vf scale=1920:1080 -c:v libx264 -preset fast -crf 23 -c:a copy ${1%.*}-1080p.mp4
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}
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# Transcode a video to a good-balance 4K that's great for sharing online
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transcode-video-4K() {
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ffmpeg -i $1 -c:v libx265 -preset slow -crf 24 -c:a aac -b:a 192k ${1%.*}-optimized.mp4
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}
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# Transcode any image to JPG image that's great for shrinking wallpapers
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img2jpg() {
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magick $1 -quality 95 -strip ${1%.*}.jpg
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}
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# Transcode any image to JPG image that's great for sharing online without being too big
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img2jpg-small() {
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magick $1 -resize 1080x\> -quality 95 -strip ${1%.*}.jpg
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}
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# Transcode any image to compressed-but-lossless PNG
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img2png() {
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magick "$1" -strip -define png:compression-filter=5 \
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-define png:compression-level=9 \
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-define png:compression-strategy=1 \
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-define png:exclude-chunk=all \
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"${1%.*}.png"
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}
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