334 lines
9.9 KiB
Bash
334 lines
9.9 KiB
Bash
# Mullvad VPN checker.
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function mullvad() {
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echo ""
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python3 <(cat <<EOF
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from rich import print
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from rich.panel import Panel
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import json, urllib.request
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with urllib.request.urlopen("https://am.i.mullvad.net/json") as url:
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data = json.load(url)
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print(
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Panel.fit(
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"[white]{0}\n{1}[/white]\n[cyan]{2}[/cyan]\n[blue]{3}[/blue]".format(
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data["ip"], data["city"], data["mullvad_exit_ip_hostname"], data["mullvad_server_type"]
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), title="Mullvad connection", style="bold green"
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)
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)
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EOF
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)
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}
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# Snakify filenames.
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function snakify () {
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emulate -L zsh
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local filename=$(basename -- "$1")
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local extension="${filename##*.}"
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local filename="${filename%.*}"
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local new_filename=$(echo ${filename// /_} | tr '-' '_' | tr -cd '[:alnum:]._-')
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local new_basename=$(echo "$new_filename.$extension")
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mv -i "$1" "$new_basename"
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mv -i "$new_basename" "${new_basename:l}"
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}
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# Print timestamp as %Y-%m-%d %H:%M:%S.
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function tstamp() {
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emulate -L zsh
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date '+%Y-%m-%d %H:%M:%S'
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}
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# Lifted from strcat.de
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# Find history events by search pattern and list them by date.
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function whatwhen () {
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emulate -L zsh
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local usage help ident format_l format_s first_char remain first last
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usage='USAGE: whatwhen [options] <searchstring> <search range>'
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help='Use `whatwhen -h'\'' for further explanations.'
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ident=${(l,${#${:-Usage: }},, ,)}
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format_l="${ident}%s\t\t\t%s\n"
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format_s="${format_l//(\\t)##/\\t}"
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# Make the first char of the word to search for case
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# insensitive; e.g. [aA]
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first_char=[${(L)1[1]}${(U)1[1]}]
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remain=${1[2,-1]}
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# Default search range is `-100'.
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first=${2:-\-100}
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# Optional, just used for `<first> <last>' given.
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last=$3
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case $1 in
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("")
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printf '%s\n\n' 'ERROR: No search string specified. Aborting.'
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printf '%s\n%s\n\n' ${usage} ${help} && return 1
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;;
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(-h)
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printf '%s\n\n' ${usage}
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print 'OPTIONS:'
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printf $format_l '-h' 'show help text'
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print '\f'
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print 'SEARCH RANGE:'
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printf $format_l "'0'" 'the whole history,'
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printf $format_l '-<n>' 'offset to the current history number; (default: -100)'
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printf $format_s '<[-]first> [<last>]' 'just searching within a give range'
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printf '\n%s\n' 'EXAMPLES:'
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printf ${format_l/(\\t)/} 'whatwhen grml' '# Range is set to -100 by default.'
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printf $format_l 'whatwhen zsh -250'
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printf $format_l 'whatwhen foo 1 99'
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;;
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(\?)
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printf '%s\n%s\n\n' ${usage} ${help} && return 1
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;;
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(*)
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# -l list results on stout rather than invoking $EDITOR.
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# -i Print dates as in YYYY-MM-DD.
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# -m Search for a - quoted - pattern within the history.
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fc -li -m "*${first_char}${remain}*" $first $last
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;;
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esac
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}
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# Lifted from the extract plugin for oh-my-zsh.
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# Extract archive into current directory.
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function extract() {
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setopt localoptions noautopushd
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if (( $# == 0 )); then
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cat >&2 <<'EOF'
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Usage: extract [-option] [file ...]
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Options:
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-r, --remove Remove archive after unpacking.
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EOF
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fi
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local remove_archive=1
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if [[ "$1" == "-r" ]] || [[ "$1" == "--remove" ]]; then
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remove_archive=0
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shift
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fi
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local pwd="$PWD"
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while (( $# > 0 )); do
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if [[ ! -f "$1" ]]; then
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echo "extract: '$1' is not a valid file" >&2
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shift
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continue
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fi
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local success=0
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local extract_dir="${1:t:r}"
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local file="$1" full_path="${1:A}"
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case "${file:l}" in
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(*.tar.gz|*.tgz) (( $+commands[pigz] )) && { pigz -dc "$file" | tar xv } || tar zxvf "$file" ;;
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(*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$file" ;;
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(*.tar.xz|*.txz)
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tar --xz --help &> /dev/null \
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&& tar --xz -xvf "$file" \
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|| xzcat "$file" | tar xvf - ;;
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(*.tar.zma|*.tlz)
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tar --lzma --help &> /dev/null \
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&& tar --lzma -xvf "$file" \
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|| lzcat "$file" | tar xvf - ;;
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(*.tar.zst|*.tzst)
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tar --zstd --help &> /dev/null \
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&& tar --zstd -xvf "$file" \
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|| zstdcat "$file" | tar xvf - ;;
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(*.tar) tar xvf "$file" ;;
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(*.tar.lz) (( $+commands[lzip] )) && tar xvf "$file" ;;
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(*.tar.lz4) lz4 -c -d "$file" | tar xvf - ;;
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(*.tar.lrz) (( $+commands[lrzuntar] )) && lrzuntar "$file" ;;
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(*.gz) (( $+commands[pigz] )) && pigz -dk "$file" || gunzip -k "$file" ;;
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(*.bz2) bunzip2 "$file" ;;
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(*.xz) unxz "$file" ;;
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(*.lrz) (( $+commands[lrunzip] )) && lrunzip "$file" ;;
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(*.lz4) lz4 -d "$file" ;;
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(*.lzma) unlzma "$file" ;;
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(*.z) uncompress "$file" ;;
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(*.zip|*.war|*.jar|*.ear|*.sublime-package|*.ipa|*.ipsw|*.xpi|*.apk|*.aar|*.whl) unzip "$file" -d "$extract_dir" ;;
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(*.rar) unrar x -ad "$file" ;;
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(*.rpm)
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command mkdir -p "$extract_dir" && builtin cd -q "$extract_dir" \
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&& rpm2cpio "$full_path" | cpio --quiet -id ;;
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(*.7z) 7za x "$file" ;;
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(*.deb)
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command mkdir -p "$extract_dir/control" "$extract_dir/data"
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builtin cd -q "$extract_dir"; ar vx "$full_path" > /dev/null
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builtin cd -q control; extract ../control.tar.*
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builtin cd -q ../data; extract ../data.tar.*
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builtin cd -q ..; command rm *.tar.* debian-binary ;;
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(*.zst) unzstd "$file" ;;
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(*.cab) cabextract -d "$extract_dir" "$file" ;;
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(*.cpio) cpio -idmvF "$file" ;;
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(*)
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echo "extract: '$file' cannot be extracted" >&2
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success=1 ;;
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esac
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(( success = success > 0 ? success : $? ))
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(( success == 0 && remove_archive == 0 )) && rm "$full_path"
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shift
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# Go back to original working directory in case we ran cd previously
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builtin cd -q "$pwd"
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done
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}
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alias x=extract
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# Create a tarball from given directory.
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function create-archive() {
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local archive_name
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archive_name="$1.tar.gz"
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archive_name=${archive_name/\//}
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tar cvfz "$archive_name" "$1"
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echo "Created archive $archive_name"
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}
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compdef _directories create-archive
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# Create a /overview/ of all available function()'s; the description for
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# each funtion() *must* be the first line above the string `function'!
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# Otherwise it wont work.
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# Display all function()'s with their descriptions.
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function funlist() {
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grep -B 1 "^function" $HOME/.zshrc.d/functions.zsh | \
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grep -v "^\-\-$" | \
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awk '{ if(/^#/) { gsub(/^#[:space:]*/, ""); ht=$0 }; getline; gsub(/ ?\(\)/, ":"); printf("-> %-20s %s\n", $2, ht); }' | \
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sort -u -k 3
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}
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# Show directory stack and ask for a dir to switch to.
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function dstack() {
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emulate -L zsh
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autoload -U colors
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local color=$fg_bold[blue]
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integer i=0
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dirs -p | while read dir
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do
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local num="${$(printf "%-4d " $i)/ /.}"
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printf " %s $color%s$reset_color\n" $num $dir
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(( i++ ))
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done
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integer dir=-1
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read -r 'dir?Jump to directory: ' || return
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(( dir == -1 )) && return
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if (( dir < 0 || dir >= i ))
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then
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echo d: no such directory stack entry: $dir
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return 1
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fi
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cd ~$dir
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}
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# zremovecomp() remove *.zwc files.
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function zremovecomp() {
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local i
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for i in ${HOME}/*.zwc(N); do
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printf "Removing $i\n"
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command rm -f $i
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done
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}
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# grep(1)'ing $HISTFILE.
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function histgrep () { fc -fl -m "*(#i)$1*" 1 | grep -i --color $1 }
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# A nicer output of cal(1)
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# Colorize the output of cal(1).
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function calendar() {
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if [[ ! -f /usr/bin/cal ]] ; then
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echo "Please install cal before trying to use it!"
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return
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fi
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if [[ "$#" = "0" ]] ; then
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/usr/bin/cal | egrep -C 40 --color "\<$(date +%e| tr -d ' ')\>"
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else
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/usr/bin/cal $@ | egrep -C 40 --color "\<($(date +%B)|$(date +%e | tr -d ' '))\>"
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fi
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}
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# Invoke this every time you change .zshrc to recompile it.
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function src() {
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autoload -U zrecompile
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[ -f ~/.zshrc ] && zrecompile -p ~/.zshrc
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[ -f ~/.zcompdump ] && zrecompile -p ~/.zcompdump
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[ -f ~/.zcompdump ] && zrecompile -p ~/.zcompdump
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[ -f ~/.zshrc.zwc.old ] && command rm -f ~/.zshrc.zwc.old
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[ -f ~/.zcompdump.zwc.old ] && command rm -f ~/.zcompdump.zwc.old
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source ~/.zshrc
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}
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# Do an ls after cd.
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function cd() { builtin cd "$@" && ls; }
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# Create new directory and enter it.
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function mkd() { mkdir -p "$@" && cd "$_"; }
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# Display pids of commands.
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function pids() { pgrep -a "$@"; }
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# zshall manpage.
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function manzsh() { /usr/bin/man zshall | most +/"$1" ; }
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# Restart zsh.
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function restart() { exec $SHELL $SHELL_ARGS "$@"; }
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# cd to ~, clear screen, and restart zsh.
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function rsrc() { cd && clear && restart; }
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# Parse HackerNews feed (https://hnrss.org/newest).
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function hn() {
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python3 <(cat <<EOF
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import feedparser
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HNFeed = feedparser.parse("https://hnrss.org/newest")
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class bcolors:
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HEADER = '\033[95m'
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ENDC = '\033[0m'
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for item in HNFeed.entries:
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print(f"{bcolors.HEADER}%s{bcolors.ENDC}" % item.title)
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print(item.links[0].href)
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print("")
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EOF
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) | bat -p
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}
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# Fetch open source license.
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function license() {
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local base_url
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base_url="https://api.github.com/licenses"
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local headers
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headers="Accept: application/vnd.github.drax-preview+json"
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local res
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if (( $# == 0 )); then
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res=$(curl --silent --header $headers $base_url)
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echo "Available licenses:"
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echo
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echo "$res" | jq ".[].key" | tr -d '"'
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fi
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local license="$argv[1]"
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res=$(curl --silent --header $headers $base_url/$license | jq ."body")
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echo -e $res | tr -d '"'
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}
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# Use nmap from podman to check for open SSH ports on local net.
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if test -x "$(command -v podman)"; then
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function nmap_ssh() {
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if sudo podman image exists localhost/nmap; then
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sudo podman run -it --rm \
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--cap-add=NET_RAW \
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--cap-add=NET_ADMIN \
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--network host \
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--name nmap \
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nmap -sV -p 22 -open 10.0.0.0/24
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else
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echo "localhost/nmap image does not exist"
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fi
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}
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fi
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