Random filenames or shorten it

[_pi]

Code:

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str s="super5.pdf"
str name.getfilename(s) ext=s+name.len
ARRAY(str) a; int i; str ss
if(tok(name a)>1)
,for(i 0 a.len)
,,str& r=a[i]
,,if(r.len>3) r.fix(3); r.rtrim("aeiyou"); r[0]=toupper(r[0])
,,ss+r
,ss+ext
else ss=s
out ss

returns super5.pdf

no scamble ...