##############################################################################
#  ~/.aliases file by luc
#+ This file contains aliases and functions which hopefully work not only in 
#+ bash (I did not test anything else by now).
#+ Many thanks to the people from
#+	http://crunchbanglinux.org/forums/topic/1093/post-your-bashrc/
##############################################################################

##############################################################################
# alias (all systems)
##############################################################################
alias src='. $HOME/.bashrc' #source bashrc to see changes
alias unnote='PROMPT_COMMAND=ret=\$?' # undo the 'note' function.
alias tgz='tar -czv --exclude .DS_Store'
alias tbz2='tar -cjv --exclude .DS_Store'
alias grep='grep --color=auto' #color
alias up='date +%F" $(uptime)"' # info for record ceeping with date
alias lr='tree -Chuap' # replacement for ls -lR
alias histhead='history | awk '\''{a[$2]++}END{for(i in a){print a[i]" "i}}'\'' | sort -rn | head'

##############################################################################
# alias (connect to remote)
##############################################################################
alias my_sftp='sftp user@remote.host'		# anonymized
alias my_ssh='ssh -t -l user remote.host'	# anonymized

##############################################################################
# alias (system specific)
##############################################################################
if [ `uname` = "Darwin" ] ; then 	# (Mac OS X, 10.6)
  alias ll='ls -l'
  alias ls='ls -G' 			#color
  alias battery='system_profiler SPPowerDataType | sed -n "3,4p;14,25p"' #info about battery
  alias 7z='/Applications/7zX.app/Contents/Resources/7za' #i did not find a cli for 7z
  alias octave='/Applications/Octave.app/Contents/MacOS/Octave.app'
  alias gvim='open -aVim' 		#MacVim as gvim
  alias igo='wine $HOME/.wine/drive_c/Program\ Files/igowin/igowin.exe' #play go
  alias dl='cd $HOME/Downloads && wget'
  alias vi=/Applications/editoren/Vim.app/Contents/MacOS/Vim
  alias bk='[ ! -f $HOME/Documents/Dateien\ `date +%F`.tar.bz2 ] && tar -cvjC $HOME/Documents -f $HOME/Documents/Dateien\ `date +%F`.tar.bz2 --exclude .DS_Store Dateien'
else 					# we are on GNU/Linux hopefully
  alias ll='ls -l'
  alias ls='ls --color=auto'
fi

##############################################################################
#  functions (all systems)
##############################################################################
note () { #execute $@ befor printing the prompt (PS1); 'unnote' is an alias
  if [ "$1" = -p ]; then echo "note \"$PROMPT_COMMAND\""
  elif [ "$1" = -r ]; then PROMPT_COMMAND="${@:2}"
  elif [ -z "$PROMPT_COMMAND" ]; then PROMPT_COMMAND="${@}"
  else PROMPT_COMMAND="${PROMPT_COMMAND} ; ${@}"
  fi
}

comp () { #compare the speed of two ($1, $2) commands (loop $3 times)
  if [ $# -ne 3 ]; then return 1; fi
  type $1 >/dev/null 2>&1 || return 2
  type $2 >/dev/null 2>&1 || return 3
  printf 1
  time for ((i=0; i<${3:-10}; i++)) ; do $1 ; done >/dev/null 2>&1
  printf 2
  time for ((i=0; i<${3:-10}; i++)) ; do $2 ; done >/dev/null 2>&1
}

hira () { #summed up info about trees at "$@" (or ".")
  local count size sizeH
  if [ "$1" ]; then
    for file; do
      count=$(tree -ai "$file" | tail -n 1)  #need tree to be installed
      size_=$(du -s "$file" | tail -n 1) #darwin/OSX no '-b=1'
      sizeH=$(du -hs "$file" | tail -n 1)
      echo "$file: ${count}, ${sizeH%%$'\t'*} ($((512*${size_%%$'\t'*})))" #darwin/OSX: '512'
    done
    echo ""
  fi
  count=$(tree -ai "$@" | tail -n 1)  #need tree to be installed
  size_=$(du -cs "$@" | tail -n 1) #darwin/OSX no '-b=1'
  sizeH=$(du -chs "$@" | tail -n 1)
  echo "${count}, ${sizeH%%$'\t'*} ($((512*${size_%%$'\t'*})))" #darwin/OSX: '512'
} 2>/dev/null

#  idea from http://crunchbanglinux.org/forums/topic/1093/post-your-bashrc/
uz () { #unzip archives automatically
  if [ ! -f "$1" ] ; then echo "uz: '$1' is not a valid file."; return 1; fi
  case "$1" in
    *.tar.bz2|*.tbz2)		tar xvjf   "$1"	;;
    *.tar.gz|*.tgz|*.tar.Z)	tar xvzf   "$1"	;;
    *.tar.xz)			tar xvJf   "$1" ;;
    *.tar)       		tar xvf    "$1"	;;
    *.bz2)       		bunzip2    "$1"	;;
    *.rar)       		rar x      "$1"	;;
    *.jar) 			unzip      "$1"	;;
    *.gz)        		gunzip     "$1"	;;
    *.zip)       		unzip      "$1"	;;
    *.Z)         		uncompress "$1"	;;
    *.7z)        		7z x       "$1"	;;
    *.xz)			xz x       "$1" ;;
    *.exe)			cabextract "$1" ;;
    *)  echo "uz: Don't know how to extract '$1'." 1>&2; return 1 ;;
  esac
}

7z_help () {
  echo "7z a|b|d|e|l|t|u|x [OPTIONS] ARCHIVE [FILES ...]"
  echo "-mx[0-9]"
  echo "-t7z | -tgzip | -tzip | -tbzip2 | -ttar | -tiso | -tudf"
}

cmdfu () { wget --quiet -O - "http://www.commandlinefu.com/commands/matching/$@/$(echo -n "$@" | openssl base64)/plaintext"; }

#  idea from http://crunchbanglinux.org/forums/topic/1093/post-your-bashrc/
weather() { #best by now
  elinks -dump "google.com/search?hl=en&q=weather+${1:-munich}" | \
  sed -n '/Weather for/,${/Weather/{s/^ *//;s/-.*//;};/iGoogle/d;s/|.*//;p;/Humidity/q;}' 
}

wiki () { dig +short txt $1.wp.dg.cx; }


###############################################################################
# TODO
###############################################################################
#alias cp='cp -i'
#alias rm='rm -i'
#alias mv='mv -i'