[tex-live] how to find out what went wrong with fmtutil?

[Karl Berry]

    | Error: `pdftex -ini  -jobname=pdftex -progname=pdftex
    -translate-file=cp227.tcx *pdftex.ini' failed

On line 727 there was a 
 | sed 1q
 
Delete it.  (r3392 in repo.)  It's a long story.

As for the general question of "how to find out", bash -vx and adding
echo statements is the best way I know.  I'm sure this is not news to
you, though.

karl