系统自带的Python, Ruby等是给系统必要程序用的，并不是给开发者使用的
Homebrew
export PATH="/opt/homebrew/bin:$PATH"
if ! command -v brew &> /dev/null; then
# Install Homebrew + python
echo "--installing Homebrew"
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
fi
eval "$(brew shellenv)"
brew_dir=$(brew --prefix)
brew_install=$(brew list)
Python
# python
if ! echo "$brew_install" | grep -q 'pyenv'; then
echo "install python"
brew install pyenv pyenv-virtualenvwrapper
pyenv install 3.12.0
pyenv global 3.12.0
pyenv rehash
export PATH="$brew_dir/opt/python/bin:$PATH"
fi
PYENV_ROOT="$HOME/.pyenv"
PATH="/usr/local/opt/python/libexec/bin:$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init -)"
pyenv virtualenvwrapper_lazy
Ruby
# ruby
if ! echo "$brew_install" | grep -q 'ruby'; then
echo "install ruby"
brew install ruby
export PATH="$brew_dir/opt/ruby/bin:$PATH"
fi
FFMPEG
# ffmpeg
if ! echo "$brew_install" | grep -q 'ffmpeg'; then
echo "install ffmpeg"
brew install ffmpeg
fi
# ffmpeg
alias ffresolution='ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0'
alias ffduration='ffprobe -v error -select_streams v:0 -show_entries format=duration -of default=noprint_wrappers=1:nokey=1'
alias ffframerate='ffprobe -v error -select_streams v:0 -show_entries stream=r_frame_rate -of default=noprint_wrappers=1:nokey=1'
alias ffbitrate='ffprobe -v error -select_streams v:0 -show_entries stream=bit_rate -of default=noprint_wrappers=1:nokey=1'
function ff1k { if [ -d "$1" ]; then for input in "$1"/*; do _video_process "$input" 1920x1080 3M 1k; done; else _video_process "$1" 1920x1080 3M 1k; fi; }
function ff2k { if [ -d "$1" ]; then for input in "$1"/*; do _video_process "$input" 2560x1440 3M 2k; done; else _video_process "$1" 2560x1440 3M 2k; fi; }
function ff4k { if [ -d "$1" ]; then for input in "$1"/*; do _video_process "$input" 3840x2160 3M 4k; done; else _video_process "$1" 3840x2160 3M 4k; fi; }
function ffrewrite { if [ -d "$1" ]; then for input in "$1"/*; do _video_process "$input"; done; else _video_process "$1"; fi; }
function ffaudio { if [ -d "$1" ]; then for input in "$1"/*; do _audio_process "$input"; done; else _audio_process "$1"; fi; }
function ff2gif {
FILE=$1
ffmpeg -i $FILE -vf fps=10,scale=800:-1 ${FILE%.*}.gif
}
function ffabps {
input_file=$1
duration_seconds=$(ffduration "$input_file")
file_size_bytes=$(stat -f "%z" "$input_file")
average_bitrate=$(echo "scale=0; $file_size_bytes * 8 / $duration_seconds" | bc)
echo $average_bitrate
}
function _audio_process {
local input="$1"
if ffprobe -v error -select_streams v:0 -show_entries stream=codec_type -of csv=p=0 "$input" 2>/dev/null | grep -q video; then
local filename_with_extension=$(basename "$input")
local extension="${input##*.}"
local filename="${filename_with_extension%.*}"
# ffmpeg -i "$input" -c:a aac "${filename}.aac"
ffmpeg -i "$input" -c:a pcm_s16le "${filename}.wav"
else
echo "skip $input (no audio stream detected)"
fi
}
function _video_process {
local input="$1"
local resolution="$2"
local bitrate="$3"
local mark="$4"
if ffprobe -v error -select_streams v:0 -show_entries stream=codec_type -of csv=p=0 $input 2>/dev/null | grep -q video; then
local frame_rate=$(ffframerate "$input")
local filename_with_extension=$(basename "$input")
local extension="${input##*.}"
local filename="${filename_with_extension%.*}"
local directory=$(dirname "$input")
local subtitle=$(find $directory -type f -name "$filename.*" | grep -i -m 1 -E '\.srt$|\.sub$|\.ass$|\.ssa$')
if [ -z "$resolution" ]; then
resolution=$(ffresolution "$input")
echo "default resolution = $resolution"
fi
if [ -z "$bitrate" ]; then
bitrate=$(ffabps "$input")
echo "default bitrate = $bitrate"
fi
if [ -e "$subtitle" ]; then
local output="${filename}_subtitle.${extension}"
ffmpeg -i "$input" -s $resolution -color_range 2 -vf "subtitles=${subtitle}'" -c:v hevc_videotoolbox -tag:v hvc1 -c:a copy -b:v $bitrate -r $frame_rate "$output"
else
local output="${filename}_${mark:-rewrite}.${extension}"
echo $output
ffmpeg -i "$input" -s $resolution -color_range 2 -c:v hevc_videotoolbox -tag:v hvc1 -c:a copy -b:v $bitrate -r $frame_rate "$output"
fi
else
echo "skip $input"
fi
}
Jackett
if ! echo "$brew_install" | grep -q 'jackett'; then
echo "install jackett"
brew install jackett
brew services start jackett
echo "visist http://127.0.0.1:9117/ and install jackett.py search plugin to qbittorrent"
fi
其他工具
定时休眠
function gn {
countdown=$(echo "$*" | bc)
while [ $countdown -gt 0 ]; do
echo -ne "\033]0;$countdown\007"
echo -ne "Sleep in $countdown seconds...\r"
sleep 1
((countdown--))
done
echo -ne "Sleep in $countdown seconds...\n"
pmset sleepnow
}
function blackout {
countdown=$(echo "$*" | bc)
while [ $countdown -gt 0 ]; do
echo -ne "\033]0;$countdown\007"
echo -ne "Blackout in $countdown seconds...\r"
sleep 1
((countdown--))
done
echo -ne "Blackout in $countdown seconds...\n"
pmset displaysleepnow
}
加密压缩
alias zip_secret="zip -e"
网络测试
alias test_tcp="nc -vz"
alias test_udp="nc -vuz"
文件整理
function find_k_large { sudo find "${1:-.}" -type f -exec du -h {} + | sort -rh | head -n ${2:-10}; }
function find_duplicate {
sudo find "${1:-.}" -type f -exec md5 {} + | awk -F'=' '{ gsub(/MD5 /, "", $0); print $2, $1 }' | sort -k1 | awk '{
hash = $1;
file = substr($0, index($0, $2));
if (count[hash]++) {
files[hash] = files[hash] "vs. " file;
} else {
files[hash] = file;
}
}
END {
for (hash in files) {
if (count[hash] > 1) {
print hash ": " files[hash];
}
}
}'; }
备份
function rsync_backup { sudo rsync -avh --delete $1 $2;}
function rsync_copy { sudo rsync -avh --backup --suffix=.bak $1 $2;}
function mac_backup {
local SRC_DIRS=(
"$HOME"
/Applications
)
local BASE=$(basename "$HOME")
local FILTER=$(cat <<EOF
+ $BASE/Library/Application Support/***
+ $BASE/Library/Preferences/***
+ $BASE/Library/Saved Application State/***
+ $BASE/Library/Keychains/***
+ $BASE/Library/Containers/***
+ $BASE/Library/Group Containers/***
- $BASE/Library/**
- $BASE/Downloads
- Applications/Safari.app
- Applications/Xcode.app
- Applications/iMovie.app
- Applications/Utilities
- .Trash
EOF
)
local DEST="/Volumes/TimeMachine"
local LAST_BACKUP="$DEST/last-backup"
local FILTER_FILE="/tmp/backup-filter.txt"
local NEW_BACKUP="$DEST/backup-$(date +%Y-%m-%d)"
local BAD_BACKUP="$DEST/corrupt-$(date +%Y-%m-%d)"
if [ -d "$BAD_BACKUP" ]; then
mv "$BAD_BACKUP" "$NEW_BACKUP"
else
mkdir -p "$NEW_BACKUP"
fi
echo "$FILTER" > "$FILTER_FILE"
if [ -f "$FILTER_FILE" ]; then
FILTER_ARGS="merge $FILTER_FILE"
else
echo "Exclude file $FILTER_FILE does not exist. Skipping exclusions."
FILTER_ARGS=""
fi
echo "Running rsync with the following command:"
echo "sudo rsync -ah --stats --delete --filter='$FILTER_ARGS' ${SRC_DIRS[@]} $NEW_BACKUP --dry-run"
local RSYNC_OUTPUT=$(`sudo rsync -ah --delete --filter=$FILTER_ARGS "${SRC_DIRS[@]}" "$NEW_BACKUP" 2>&1`)
local RSYNC_EXIT_CODE=$?
echo "$RSYNC_OUTPUT"
# Check rsync exit status
if [ $RSYNC_EXIT_CODE -eq 0 ]; then
echo "Backup completed successfully."
else
echo "Backup failed with error code $RSYNC_EXIT_CODE. Details:"
echo "$RSYNC_OUTPUT"
mv "$NEW_BACKUP" "$BAD_BACKUP"
return 1
fi
}
function mac_restore {
local DEST="/Volumes/TimeMachine"
# List available backups
local backups=($(ls -1 $DEST | grep '^backup-' | sort -r))
if [ ${#backups[@]} -eq 0 ]; then
echo "No backups found."
return 1
fi
# Display backup options
echo "Available backups:"
select backup in "${backups[@]}"; do
if [[ -n "$backup" ]]; then
echo "You selected $backup"
local BACKUP_DIR="$DEST/$backup"
break
else
echo "Invalid selection. Please try again."
fi
done
# Perform the restore using rsync
local SRC_DIRS=(
"$HOME"
"/Applications"
)
# Restore files from selected backup
for SRC in "${SRC_DIRS[@]}"; do
echo "Restoring from $BACKUP_DIR/$(basename "$SRC") to $SRC"
sudo rsync -ah --backup --suffix=.bak "$BACKUP_DIR/$(basename "$SRC")/" "$SRC/"
done
# Check rsync exit status
if [ $? -eq 0 ]; then
echo "Restore completed successfully."
else
echo "Restore failed with error code $?."
return 1
fi
}
pyenv基本用法
安装python
pyenv install --list
pyenv install 3.12.0
pyenv rehash
删除python
pyenv versions # 所有版本
pyenv version # 当前版本
pyenv uninstall 3.12.0
创建virtualenv
mkvirtualenv testing
workon testing
pip install tensorflow
删除virtualenv
deactivate #或者切换到其他python虚拟环境中
rmvirtualenv testing
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