sasagon

# read .swenv.(out|in) when changing the current directory
function swenv_out() {
  predir=~1
  outfile="${predir}/.swenv.out"
  [ -d "$predir" -a -e "$outfile" -a -O "$outfile" -a -w "$outfile" ] && source $outfile
}
function swenv_in() {
  infile=".swenv.in"
  [ -e $infile -a -O $infile -a -w $infile ] && source $infile
}

sasagon

#!/bin/sh --
for F in $@ ; do
  if [ `tar tf $F | grep -o '^[^/]*/' | sort | uniq | wc -l` -eq 1 ]; then
    tar xvf $F
  else
    D=`basename \`basename \\\`basename \\\\\\\`basename \\\\\\\\\\\\\\\`basename \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\`basename "$F" .tgz\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\` .tbz\\\\\\\\\\\\\\\` .txz\\\\\\\` .tar.gz\\\` .tar.bz2\` .tar.xz`
    mkdir $D && tar xvf $F -C $D
  fi
done