How to place a comma in 'a{b,c,d}e' metanotation

[Narayan S. Raja]

In article <4890 at umbc3.UMBC.EDU>, Rouben Rostamian writes:

< The csh man page explains how the metanotation "a{b,c,d}e" expands into
< "abe ace ade".  What it does not explain is how to place commas in the
< output, if necessary.  For instance I wish that the construction
< "a{b\,,c\,,d}" would expand to the comma separated list "ab, ac, ad",


23 pixel>echo a{"b,","c,",d}
ab, ac, ad


Narayan Sriranga Raja.