crop_eps

for file in $@; do                                                                                                                                                                 
      outfile="tmp_""$file"                                                                                                                                                          
      ps2epsi $file $outfile 2>/dev/null                                                                                                                                             
      if test $? -ne 0;then                                                                                                                                                          
          echo "ps2epsi $file $outfile failed "                                                                                                                                      
      else                                                                                                                                                                           
          rm -f $file                                                                                                                                                                
          mv $outfile $file                                                                                                                                                          
      fi                                                                                                                                                                             
  done