Conversion between different data file formats

xyz -> inpcrd

prepare file xyz2inpcrd containing the following line:

  {printf("%.7f %.7f %.7f "), $1, $2, $3} {getline} {printf("%.7f %.7f %.7f\n"), $1, $2, $3}

next type

 awk -f xyz2inpcrd input.xyz outpur.inpcrd