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# ~/.bashrc: executed by bash(1) for non-login shells.

export TZ='America/Detroit'

memoize_retval()
{
  local var="$1" func="$2"
  if [ -z "${!var}" ]; then
    eval "$func"
    eval "$var=$?"
  fi
  return ${!var}
}

### utility functions ###

  quiet() { "$@" >/dev/null 2>&1; }
  match_glob() { eval "case \"$2\" in $1) true ;; *) false ;; esac"; }
  match_path() { match_glob "*:$1:*|$1:*|*:$1" "$PATH"; }
  if match_glob "*zsh" "$SHELL"; then
    have() { for c in "$@"; do quiet whence -p "$c" || return 1; done; }
  else
    have() { for c in "$@"; do quiet type -P "$c" || return 1; done; }
  fi
  add_path()
  {
    if [ "$1" = "-a" ]; then
      local after=1
      shift
    else
      local after=
    fi
    for p in "$@"; do
      if [ -d "$p" ] && ! match_path "$p" ]; then
        [ -n "$after" ] && PATH="$PATH:$p"
	[ -z "$after" ] && PATH="$p:$PATH"
      fi
    done
  }

  add_stack_binpath()
  {
    [ "$STACK_PATH_HAS_BEEN_SET" ] && return
    local result="$( stack path 2>&1 | while read k v
      do
        case "$k" in
          bin-path:)         printf 'PATH=%q:%q\n' "$PATH" "${v%:$PATH}"    # add to _end_ of PATH
                             ;;
          ghc-package-path:) printf 'GHC_PACKAGE_PATH=%q\n' "$v"
                             echo 'export GHC_PACKAGE_PATH'
                             ;;
        esac
      done
    )"
    [ "$result" ] && eval "$result" && export STACK_PATH_HAS_BEEN_SET=y
  }

### bash settings, general environment ###

  add_path -a /usr/games
  add_path "$HOME/.cabal/bin" "$HOME/.local/bin" "$HOME/bin"

  if have stack; then
    add_stack_binpath
  fi

  if match_glob "*zsh" "$SHELL"; then
    autoload -U select-word-style
    select-word-style bash
    # WORDCHARS='*?_-[]~\!#$%^(){}<>|`@#$%^*()+:?'
  fi

  if match_glob "*bash" "$SHELL"; then
    export PS1='\u@\h:\w\$ '
  fi
  if have sea; then
    eval `sea`		# sets PS1 and PROMPT_COMMAND
    			# must come before dynamic titles section, below
  fi
  case $SHELL in 
    bash) shopt -s checkwinsize ;;
    *) ;;
  esac
  umask 002

  if have vim; then
    alias vi=vim
    export EDITOR=vim
  elif have vi; then
    export EDITOR=vi
  fi

  if have less; then
    export PAGER=less
    export LESS=-XSr
    have lesspipe && eval "$(lesspipe)"
  elif have w3m; then
    export PAGER=w3m
  elif have more; then
    export PAGER=more
  fi

### dynamic titles for xterm & screen ###

  function set_xterm_title () {
    # This is unneeded since my .screenrc is configured to set the xterm
    # title to the hardstatus line, which is configured to include the
    # current screen title... and a good thing too, or xterm titles
    # wouldn't change when screen windows were switched...
    echo -ne "\033]0;$*\007" >&2
  }
  function set_screen_title () {
    echo -ne "\033k$*\033\\" >&2
  }
  function xterm_preexec () {
    set_xterm_title ${PREEXEC_CMD[@]}
  }
  function screen_preexec () {
    set_screen_title ${PREEXEC_CMD[@]}
  }
  function screen_postexec () {
    set_screen_title "${PWD/$HOME/~}"
  }
  function xterm_postexec () {
    set_xterm_title "$USER@$HOST:${PWD/$HOME/~}"
  }
  if [ -n "$STY" ]; then
    PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND; }screen_postexec"
    PREEXEC_COMMAND=screen_preexec
  elif match_glob "xterm*" "$TERM"; then
    HOST=$(hostname)
    PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND; }xterm_postexec"
    PREEXEC_COMMAND=xterm_preexec
  fi

### program settings and aliases ###

  alias ip=/sbin/ip
  alias ipaddr='ip addr'

  if have ps && match_glob 'procps*' $(ps -V 2>/dev/null); then
    export PS_FORMAT=pid,user:6,tty,\%mem,\%cpu,start,cmd
    alias p='ps x -H'
    have less && alias pp='p a |grep -v " \[[^] ]\+\]\$"| less -RSeX'
#   have less && alias pp='p a |sed -ne '\''1,/^[^ ]* *1 /!p;/^[^ ]* *1 /p'\''| less -RSeX'
  fi

  export PARINIT='rTbgqR B=.,?_A_a Q=_s>|'
  export JACK_START_SERVER=1;

  if have irssi; then
    alias anet='irssi -c Afternet'
    alias freenode='irssi -c Freenode'
  fi

  if have Xvnc; then
    alias startvnc='xinit -- `which Xvnc` :1 -geometry 800x600'
  fi

  if have xemacs; then
    alias gnus='DISPLAY= xemacs -f gnus'
    alias emacs='DISPLAY= xemacs'
  fi

  if have firefox; then
    alias ff='killall firefox-bin; firefox'
  fi

  if quiet ls -d -sCF --color=tty /; then
    alias ls='ls -sCF --color=tty';
    lss () { command ls -sCF --color "$@" | less -RSeX; }; 
  elif quiet ls -d -sCF /; then
    alias ls='ls -sCF';
    lss () { command ls -sCF "$@" | less -RSeX; }; 
  fi

  mkcd()
  {
    if [ $# -gt 1 ]; then
      echo 'mkcd: usage: mkcd <directory>'
    fi
    mkdir -p "$1" && cd "$1";
  }
  
  alias m-a='m-a -t'
  alias jf='ssh -tX bucky '
  alias jfs='ssh -tX bucky screen -x'

  alias ll='ls -l'; 
  alias lls='lss -l';
  alias pd=pushd

  alias sudo='sudo '
  alias s='screen '

  alias csi='csi -q'
  alias bc='bc -q'
  alias apt='sudo aptitude'

  alias df='df -x fuse'
  alias mtr='mtr --curses'

  doc () { pushd /usr/share/doc/$1; }

  lddsize()
  {
    ldd "$@"|while read lib _x file addr; do
      [ -f "$file" ] || continue;
      echo -en "$file\0";
    done | xargs -0 du -cshD;
  }

### w3m bookmarks ###

if have w3m; then
  alias sd='w3m http://www.slashdot.org'
  alias blog='w3m http://insoul.net/blogdate.php?plain=yes'
  alias news='w3m http://news.google.com/?ned=tus'
  alias cl='w3m hartford.craigslist.org'
fi

if ! have srfi; then
  srfi ()
  {
    w3m http://srfi.schemers.org/srfi-"$1"/srfi-"$1".html
  }
fi

# if have nvim; then
#   alias vim=nvim
# fi

if have emacsclient; then
  alias vi='emacsclient -c'
fi


### array stack interface ###

pusha () 
{ 
  local arr="$1";
  shift;
  for t in "$@"; do
    eval $arr'[${#'$arr'[@]}]='"\"$t\""
  done;
}

popa ()  { eval unset $1'[${#'$1'[@]}-1]'; }
topa ()  { eval echo '${'$1'[${#'$1'[@]}-1]}'; }
echoa () { eval echo '${'$1'[@]}'; }
alias irc='jfx jerkface.net screen -xRR irc'
alias code='jfx jerkface.net screen -xRR code'
alias grep='grep --exclude-dir=.git'

dorner () 
{ 
    DOOMWADDIR=$HOME/src/zdoom/release LD_LIBRARY_PATH=$HOME/src/zdoom/fmodapi42636linux/api/lib/ $HOME/src/zdoom/release/zdoom -file \$HOME/Dorners\ Last\ Stand Skins/DoRnerLastStand.wad
}
avahi_hosts ()
{
    avahi-browse -trap | ( IFS=';';
    while read _ _ _ _ _ _ x _; do
        [ "$x" ] && echo $x;
    done ) | sort -u
}