mirror of
https://github.com/JanJastrow/.dotfiles.git
synced 2024-11-24 11:22:50 +01:00
145 lines
3.8 KiB
Plaintext
145 lines
3.8 KiB
Plaintext
#--------------------------------
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# filename: /zsh/scripts
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#--------------------------------
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# Search for string in all files in pwd
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function f() {
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grep -rnw ./ -e "$1"
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}
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# mkdir and cd
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function mkcd() {
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mkdir -p "$@" && cd "$_" || exit;
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}
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# "Fake" sha256sum
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if [[ ! -x $(which sha256sum) ]]; then
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function sha256sum() {
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shasum -a256 "$1"
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}
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fi
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# Tar.gz with GZIP or PIGZ
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function targz() {
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if [ -z "$1" ]; then
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echo "usage: targz filename.tar.gz directory"
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return
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fi
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if [[ ! -x $(which pigz) ]]; then
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tar -czf "$1" "$2"
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echo "gzip"
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else
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tar -c "$2" | pigz > "$1"
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echo "pigz"
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fi
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}
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# Export manpage as PDF
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function manp() {
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man -t $1 | pstopdf -o $TMPDIR/$1.pdf && open $TMPDIR/$1.pdf && sleep 1 && rm $TMPDIR/$1.pdf
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}
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# Send pushover notification (if set)
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if [[ -z "$pushover_token" ]]; then
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function pushover() {
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curl -s \
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--form-string "token=$pushover_token" \
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--form-string "user=$pushover_user" \
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--form-string "title=$HOST" \
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--form-string "message=$1" \
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https://api.pushover.net/1/messages.json
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}
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fi
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# png to jpeg 95
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function png2jpeg() {
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findpath=$1
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: "${findpath:="."}"
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find "$findpath" -name '*.png' | while read -r f ; do
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dir=$(dirname "$f");
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file=$(basename "$f");
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name="${file%.*}";
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magick "$f" pnm:- | cjpeg -progressive -optimize -quality 95 > "$dir/$name.jpg" </dev/null
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rm -f "$f";
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done
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}
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function jpeg1024() {
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magick "$1" -resize '1024x1024\>' -background black -flatten TGA:- | cjpeg -targo -optimize -progressive -quality 90 -outfile "$1".jpg
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}
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# Make PDFs look like scanned
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# src: https://gist.github.com/andyrbell/25c8632e15d17c83a54602f6acde2724?permalink_comment_id=3295405#gistcomment-3295405
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function pdf-like-scanned () {
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OUT=$(basename "$1" .pdf)
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convert -density 150 "$1" -rotate "$([ $((RANDOM % 2)) -eq 1 ] && echo -)0.$(($RANDOM % 4 + 5))" \
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-attenuate 0.4 +noise Multiplicative -attenuate 0.03 +noise Multiplicative -sharpen 0x1.0 \
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-colorspace Gray "$OUT"_scanned.pdf
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}
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# Extract files
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# src: https://github.com/mawalu/dotfiles/blob/master/zsh/.zsh/functions.zsh#L21
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function extract () {
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if [ -f "$1" ] ; then
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case $1 in
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*.tar.bz2) tar xjf "$1" ;;
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*.tar.gz) tar xzf "$1" ;;
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*.bz2) bunzip2 "$1" ;;
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*.rar) unrar x "$1" ;;
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*.gz) gunzip "$1" ;;
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*.tar) tar xf "$1" ;;
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*.tbz2) tar xjf "$1" ;;
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*.tbz) tar xjf "$1" ;;
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*.tgz) tar xzf "$1" ;;
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*.zip) unzip "$1" ;;
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*.Z) uncompress "$1" ;;
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*.7z) 7z x "$1" ;;
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*) echo "'$1' cannot be extracted via extract()" ;;
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esac
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else
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echo "'$1' is not a valid file"
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fi
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}
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# Download provided url to $HOME/Downloads
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function dl() {
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if [ -z "$1" ]; then
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echo "usage: dl url --- downloads to $HOME/Downloads"
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return
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fi
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if [[ -x $(which aria2c) ]]; then
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aria2c --dir="$HOME/Downloads" --continue=true --max-connection-per-server=4 "$1"
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else
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(cd "$HOME/Downloads" && curl -O "$1")
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fi
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}
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# Monitor IP/Host and report with Pushover
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pnotify-online() {
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local ip_address="$1"
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echo "Monitoring $ip_address …"
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while true; do
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if ping -c 1 -W 1 "$ip_address" >/dev/null; then
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echo -e "\07*Ding*"
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echo "$1 is online now."
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pushover "$1 is online now."
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break
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fi
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done
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}
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pnotify-offline() {
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local ip_address="$1"
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echo "Monitoring $ip_address …"
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while true; do
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if ! ping -c 1 -W 1 "$ip_address" >/dev/null; then
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echo -e "\07*Ding*"
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echo "$1 is offline now."
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pushover "$1 is offline now."
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break
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fi
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done
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}
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