st: Outputting formatted data to file

[Steffen Hokland <hokland@MR.AU.DK>]

I'm trying to output some results to a file in formatted style.

However, it seems the only way to do this straight away is to use  
binary in stead of ascii. My working but extreemly unaesthetical  
solution has been this:

for strings:
file write slope_values %20s (trim("Intercept +OXi"))

for scalars:
file write slope_values %20.3f (real(string(`intercept_wOXi')))

There has to be a better way. I've been able to dig up something  
about a function called 'macval()', but I haven't been able to find  
anything about it in the help files (search and help doesn't turn up  
anything).

Thanks for any help,
Steffen
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