Program sfquantile | Computes what clip value corresponds to a given pclip.
[SYNOPSIS]
sfquantile < in.rsf pclip= memsize=sf_memsize()
[COMMENTS]
Loads the entire dataset in core. Use it to find a clip= parameter for sfclip, given a wanted pclip=
[PARAMETERS]
int     | memsize | =sf_memsize() |   | 	Max amount of RAM (in Mb) to be used 
float   | pclip | = |   | 	Percentage clip, between 0 and 100 
[DIRECTORY]
user/ivlad
