.dotfiles/zsh/scripts

#--------------------------------
# filename:     /zsh/scripts
#--------------------------------

# Search for string in all files in pwd
function f() {
    grep -rnw ./ -e "$1"
}

# mkdir and cd
function mkcd() {
    mkdir -p "$@" && cd "$_";
}

# "Fake" sha256sum
if [[ -x `which sha256sum` ]]; then
    function sha256sum() {
        shasum -a256 $1
    }
fi


# pushover notification
function pushover() {
	curl -s \
	  --form-string "token=$pushover_token" \
	  --form-string "user=$pushover_user" \
	  --form-string "title=$HOST" \
	  --form-string "message=$1" \
	  https://api.pushover.net/1/messages.json
}

# png to jpg 85
function png2web() {
        findpath=$1
        : ${findpath:="."}
        find "$findpath" -name '*.png' | while read f ; do
            dir=$(dirname "$f");
            file=$(basename "$f");
            name="${file%.*}";
		magick convert "$f" pnm:- | cjpeg -progressive -quality 85 > "$dir/$name.jpg" </dev/null
	rm -f "$f";
    done
}

function jpeg1024() {
        magick "$1" -resize '1024x1024\>' -background black -flatten TGA:- | cjpeg -targo -quality 75 -optimize -progressive -outfile $1.jpg
}

# Make PDFs look like scanned
# src: https://gist.github.com/andyrbell/25c8632e15d17c83a54602f6acde2724?permalink_comment_id=3295405#gistcomment-3295405
function pdf-like-scanned () {
        OUT=$(basename "$1" .pdf)
        convert -density 150 "$1" -rotate "$([ $((RANDOM % 2)) -eq 1 ] && echo -)0.$(($RANDOM % 4 + 5))" \
                -attenuate 0.4 +noise Multiplicative -attenuate 0.03 +noise Multiplicative -sharpen 0x1.0 \
                -colorspace Gray "$OUT"_scanned.pdf
}