.bashrc

# A collection of bash functions I have in my .bashrc file for automating quick things

# Variables
export MANPAGER="sh -c 'col -bx | bat -l man -p'"  # Read manpage formatted in color using https://github.com/sharkdp/bat
export me="$USER:$(id -g)"  # Simple "user:group" string useful for setting `chown` to yourself

# Aliases
alias bashrc="nano +119 ~/.bashrc && source ~/.bashrc"  # Open .bashrc file at the bottom, and reload it when done
alias pls='sudo $(history -p !!)'  # Run previous command with sudo
alias untar="tar -xvf"

# Make splitting the terminal in Windows Terminal start in the current directory
wt_duplicate() {
  echo -en '\e]9;9;"'
  wslpath -w "$PWD" | tr -d '\n'
  echo -en '"\x07'
}
export PROMPT_COMMAND="wt_duplicate 2>/dev/null"

cdw.sh

# Change working directory into a Windows path for WSL
cdw() {  # cdw "C:\Windows\System32"
  if [ $# -eq 0 ]; then  # Go to windows home directory
    cd /mnt/c/
    path=$(cmd.exe /C "echo %USERPROFILE%" | tr -d '\r')
  else  # Go to specified directory
    path="$1"
  fi

  cd $(wslpath "$path")
}

hamburger.sh

# Use hexyl to show the first and last 10 lines of hex of a file
ham() {  # ham file.bin
  lines=${2:-10}
  size=$(stat --format="%s" "$1")
  offset=$((16 - $size % 16))
  head "$1" -c $(($lines*16)) | hexyl | sed '$d'
  echo "..."
  tail "$1" -c $(($lines*16-$offset)) | hexyl -o $(($size+$offset - $lines*16)) | sed '1d'
}

len.sh

# Get the length of the standard input, or the first argument
len() {  # echo "example" | len; len "example"
    if [ $# -gt 1 ]; then
        echo "Error: Only one argument is allowed (len 'something with spaces')"
        return 1
    elif [ -z "$1" ]; then
        read -r input
        echo ${#input}
    else
        echo ${#1}
    fi
}

masscan-convert.sh

# Convert masscan -oX output to more nmap like file. Useful for chaining tools that expect an nmap format
masscan-convert() {  # masscan-convert out.xml
  sudo chown $USER:$(id -gn) $1

  tmpfile=$(mktemp)
  sed '/<!-- masscan v1.0 scan -->/d' $1 > ${tmpfile}
  cat ${tmpfile} > $1
  rm -f ${tmpfile}
}

short.sh

# A few very short functions that are almost aliases

# Start explorer in current WSL directory
xp() {  # xp /tmp
  explorer.exe ${1:-"."}
}
# Show help of command if no manual page found
man() {  # man ffuf
  /usr/bin/man $1 || $1 -h
}
# Clone a git repository and move into the directory it created
clone() {  # clone https://github.com/user/repo.git
  git clone "$1" && cd "$(basename "$1" .git)"
}

waitport.sh

# Wait for port to open, checks every second
waitport() {  # waitport 10.10.10.10 80
  echo -n "Waiting"
  while true; do
    nc -z $1 $2
    [[ $? == 1 ]] || break
    sleep 1
    echo -n "."
  done
  echo -e "\nPort $2 is open on $1"
}