How to assemble all fields of (any) view into a string?

Hi. Using version 9.2. I'm trying to create a function that will take a
record from any view and assemble it into a string, for export to another
system. For example, this view:

> \d ebh_gain
View "public.ebh_gain"
Column | Type | Modifiers
-------------------+---------------+-----------
reporting_unit_id | character(3) |
case_id | character(10) |
event_date | character(8) |
ids_score | character(1) |
eds_score | character(1) |
sds_score | character(1) |
kc_auth_number | integer |
king_county_id | integer |

would get converted into a string with all the fields concatenated
together, and space-padded to their full lengths.

My original idea was to do this in TCL by passing a record and a view
name. The function would then look up the columns in the
information_schema, and use that info to assemble and return the string.
But it looks like TCL functions won't accept a record as an argument.

Any suggestions or advice most welcome. Thanks!

Ken
--
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ken(dot)tanzer(at)agency-software(dot)org
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