Update: Corrected for Comma-separated numbers. 
$ perl -lne 'sub prt{@c && print scalar @c,"\n",join ", ",@c;@c=();pri
+nt} />/?prt:push @c,$_}{prt'  TheFileName

[download]
output 
>05143_African_trypanosomiasis
4
TRINITY_DN26760_c1_g1, 18169, 42987, 42987
>05145_Toxoplasmosis
7
43736, 38319, 38320, 38320, TRINITY_DN24151_c3_g1, TRINITY_DN25493_c0_
+g1

[download]
For info on "}{", see "Eskimo greeting" in perlsecret.

                All power corrupts, but we need electricity.

In reply to Re^3: Getting unique line counts between lines starting with '>' by NetWallah
in thread Getting unique line counts between lines starting with '>' by james.v

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