Python Pandas, write DataFrame to fixed-width file (to_fwf?)

Question

I see that Pandas has read_fwf, but does it have something like DataFrame.to_fwf? I\'m looking for support for field width, numerical precision, a

Answer 1

For custom format for each column you can set format for whole line. fmt param provides formatting for each line

with open('output.dat') as ofile:
     fmt = '%.0f %02.0f %4.1f %3.0f %4.0f %4.1f %4.0f %4.1f %4.0f'
     np.savetxt(ofile, df.values, fmt=fmt)