better_cd.sh

# swiss knife
function c {
  local dir
  dir=`pwd`
  if [ -z "$1" ]; then
    cd - > /dev/null
  else
    if [ -d "$1" ]; then
      cd "$1"
    elif [ -f "$1" ]; then
      if [ -n "$2" ]; then
        cat "$1" | grep "$2" -i
      else
        cat "$1"
      fi
    else
      awesome_cd . $1
      if [ "$dir" == "`pwd`" ]; then
        echo "Creating..."
        ccd "$1"
      fi
    fi
  fi
}

ccd () { mkdir -p "$@" && cd "$@"; }

alias ..='cd ..'
alias ...='cd ../..'

function awesome_cd {
  local base
  base=$1

  cd $base

  shift

  local match
  if [ -n "$1" ]; then
    local min_size=1000
    # first try only directories that start exactly with our input
    for d in $1*/ ; do
      # if there were no matches then strangely we get this and we have to ignore it
      if [ "$d" != "$1*/" ]; then
        if [[ $d == $1* ]]; then
          local size=${#d}
          if [[ $size -lt $min_size ]]; then
            match=$d
            min_size=$size
          fi
        fi
      fi
    done
    if [ -z "$match" ]; then
      local proj=`echo $1 | tr '[:upper:]' '[:lower:]'`
      local min_size=1000
      # search all directories canse-insensitive now
      for d in */ ; do
        local dir=`echo $d | tr '[:upper:]' '[:lower:]'`
        if [[ $dir == $proj* ]]; then
          local size=${#d}
          if [[ $size -lt $min_size ]]; then
            match=$d
            min_size=$size
          fi
        fi
        # if exact match stop the loop to gain some performance
        if [[ $dir == $proj/ ]]; then
          cd $d
          unset match
          break
        fi
      done
    fi
  fi
  if [ -n "$match" ]; then
    cd "$match"
  fi
}