bashrc

alias c='clear'
alias ..='cd ../'
alias ~="cd ~/"
alias ic='ping google.com'
alias x='exit'
alias lsd='ls -d */'
alias svnlog='svn log -v --limit 6 | less'
alias fnd='find ./ -name '

mkcd() { mkdir "$1" && cd "$1"; }

up() {
    #======================================================================
    # Taken from Reddit user sbicknel
    # modified to search by name
    # move up the directory tree
    # usage: up [N]
    #   N is an integer (defaults to 1)
    #
    # silently exits if non-numeric input given
    # translates signed integers to absolute values
    # ignores all but the first parameter
    #
    # exit codes:
    #    0: success
    #    1: invalid input
    #    2: unable to change directory
    #    3: No matching directory found
    #  255: nothing to do
    #======================================================================

    declare targetDir="$PWD"        # new working directory starts from the current directory

    # convert parameter to an absolute value, if possible, or return error code
    number_re='^[0-9]+$'
    if [[ $1 =~ $number_re ]] ; then
      declare levels="${1:-1}"    # set the number of levels up the directory tree to traverse
      if [[ $levels =~ [^[:digit:]] ]]; then
          return 1
      fi


      # set targetDir to target directory
      for (( l=1; l<=levels; l++ )); do

          # %/* will produce an empty string in first-level directories.  This handles that case
          if [[ -n "${targetDir%/*}" ]]; then
              targetDir="${targetDir%/*}"
          else # set targetDir to / and break out of loop
              targetDir=/
              break
          fi
      done

      # if new working directory is different from current directory, change directories
    else
      directory_re=".*/[^/]*$1[^/]*$"
      while ! [[ $targetDir =~ $directory_re ]] ; do
        if [[ -n "${targetDir%/*}" ]]; then
          targetDir="${targetDir%/*}"
        else # Root reached without finding the directory
          pwd
          return 3
        fi
      done
    fi

    if [[ "$targetDir" != "$PWD" ]]; then
        cd "$targetDir" || return 2 # if cd fails
    else
        return -1 # nothing to do (exit code = 255)
    fi
}

goto() {
  ALIAS_FILE=/path/to/aliases.txt

  usage='Usage: goto [-m destination] name'

  if [[ $# == 0 ]] ; then
    echo "$usage"
    return 1
  fi

  # getopt seemed like overkill
  if [[ $1 == '-m' ]] ; then
    abspath=$(cd $(dirname $2); pwd)/$(basename $2)

    if ! [[ -e $abspath ]] ; then
      echo "No such directory: $abspath"
      return 2
    fi

    existing_re="^$abspath |$3$"
    _=`grep -E "$existing_re" $ALIAS_FILE`
    # If the alias is already there
    if [[ $? == 0 ]] ; then
      tmpfile=/tmp/goto.tmp
      touch $tmpfile
      grep -v -E "$existing_re" $ALIAS_FILE > tmpfile
      mv $tmpfile $ALIAS_FILE
    fi

    echo "$abspath $3" >> $ALIAS_FILE
  else
    re="$1$"
    newdir=`cat $ALIAS_FILE | grep -e $re | awk '{print $1}'`
    if [[ -e $newdir ]] ; then
      cd $newdir
      return 0
    else
      echo "No alias for '$1'."
      return -1
    fi
  fi
}

# Directory path shortener
export MYPS='$(echo -n "${PWD/$HOME/"~"}" |
awk -F "/" '"'"'{
if (length($0) > 30) {
  if (NF>4) print $1 "/" $2 "/.../" $(NF-1) "/" $NF;
  else if (NF>3) print $1 "/" $2 "/.../" $NF;
  else print $1 "/.../" $NF;
}
else print $0;}'"'"')'
PS1='$(eval "echo ${MYPS}")$ '
PS1="\[\e[0;31m\]\u:$PS1\[\e[m\]"