.bashrc with some utility functions

.bashrc

# .bashrc

# User specific aliases and functions
alias k='kubectl'
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias hgrep='history|grep'
# Source global definitions
if [ -f /etc/bashrc ]; then
  . /etc/bashrc
fi
# Use vi editing on the command line by pressing ESC
#set -o vi on
if [ -x /usr/bin/kubectl -o -x /usr/local/bin/kubectl ]
then
  source <(kubectl completion bash)
fi
function backup() {
  if [ -n "$1" ]
  then
    source=$1
  else
    echo 'Provide a path to a file or directory to backup'
    echo 'Usage: backup /path/to/file'
    echo 'Result is file path extended with date/time stamp'
    exit 1
  fi

  stamp=$( date +%Y%m%d-%H%M%S )
  if [ -d "$source" ]
  then
    cp -a $source $source.$stamp
  else
    cp $source $source.$stamp
  fi
}
function mkcd() {
  mkdir -p $1 && cd $1
}
df() {
  /usr/bin/df -h $* | grep -vE "docker|tmpfs"
}
function lfget() {
  pw=$(cat $HOME/.LFTpw)
  wget --user=LFtraining --password=$pw $1
}