.functions

# Create a new directory and enter it
function mkd() {
    mkdir -p "$@" && cd "$@"
}

# Determine size of a file or total size of a directory
function fs() {
    if du -b /dev/null > /dev/null 2>&1; then
        local arg=-sbh
    else
        local arg=-sh
    fi
    if [[ -n "$@" ]]; then
        du $arg -- "$@"
    else
        du $arg .[^.]* *
    fi
}

# Use Git’s colored diff when available
hash git &>/dev/null
if [ $? -eq 0 ]; then
    function diff() {
        git diff --no-index --color-words "$@"
    }
fi

# Create a data URL from a file
function dataurl() {
    local mimeType=$(file -b --mime-type "$1")
    if [[ $mimeType == text/* ]]; then
        mimeType="${mimeType};charset=utf-8"
    fi
    echo "data:${mimeType};base64,$(openssl base64 -in "$1" | tr -d '\n')"
}


# Get gzipped file size
function gz() {
    echo "orig size (bytes): "
    cat "$1" | wc -c
    echo "gzipped size (bytes): "
    gzip -c "$1" | wc -c
}

# Test if HTTP compression (RFC 2616 + SDCH) is enabled for a given URL.
# Send a fake UA string for sites that sniff it instead of using the Accept-Encoding header. (Looking at you, ajax.googleapis.com!)
function httpcompression() {
	encoding="$(curl -LIs -H 'User-Agent: Mozilla/5 Gecko' -H 'Accept-Encoding: gzip,deflate,compress,sdch' "$1" | grep '^Content-Encoding:')" && echo "$1 is encoded using ${encoding#* }" || echo "$1 is not using any encoding"
}

# Syntax-highlight JSON strings or files
# Usage: `json '{"foo":42}'` or `echo '{"foo":42}' | json`
function json() {
	if [ -t 0 ]; then # argument
		python -mjson.tool <<< "$*" | pygmentize -l javascript
	else # pipe
		python -mjson.tool | pygmentize -l javascript
	fi
}

# All the dig info
function digga() {
	dig +nocmd "$1" any +multiline +noall +answer
}

# Escape UTF-8 characters into their 3-byte format
function escape() {
	printf "\\\x%s" $(printf "$@" | xxd -p -c1 -u)
	echo # newline
}

# Decode \x{ABCD}-style Unicode escape sequences
function unidecode() {
	perl -e "binmode(STDOUT, ':utf8'); print \"$@\""
	echo # newline
}

# Get a character’s Unicode code point
function codepoint() {
	perl -e "use utf8; print sprintf('U+%04X', ord(\"$@\"))"
	echo # newline
}

# Add note to Notes.app (OS X 10.8)
# Usage: `note 'foo'` or `echo 'foo' | note`
function note() {
	local text
	if [ -t 0 ]; then # argument
		text="$1"
	else # pipe
		text=$(cat)
	fi
	body=$(echo "$text" | sed -E 's|$|<br>|g')
	osascript >/dev/null <<EOF
tell application "Notes"
	tell account "iCloud"
		tell folder "Notes"
			make new note with properties {name:"$text", body:"$body"}
		end tell
	end tell
end tell
EOF
}

# Add reminder to Reminders.app (OS X 10.8)
# Usage: `remind 'foo'` or `echo 'foo' | remind`
function remind() {
	local text
	if [ -t 0 ]; then
		text="$1" # argument
	else
		text=$(cat) # pipe
	fi
	osascript >/dev/null <<EOF
tell application "Reminders"
	tell the default list
		make new reminder with properties {name:"$text"}
	end tell
end tell
EOF
}

# Manually remove a downloaded app or file from the quarantine
function unquarantine() {
	for attribute in com.apple.metadata:kMDItemDownloadedDate com.apple.metadata:kMDItemWhereFroms com.apple.quarantine; do
		xattr -r -d "$attribute" "$@"
	done
}