Benjamin Franksen wrote:
[warning, slightly longer post]
I am in the process of writing an enhanced version of the seq record
(named 'sequence' record to distiguish it from the old one). Current
status is "working prototype". I send this message in order to find out
if there are others who would like to use it and to give anyone
opportunity to request additional features or propose changes.
Hopefully, this record will eventually move to base (and retire the
current seq record).
What prompted me to start this was repeated frustration about seq record
being limited to numbers, i.e. its inability to read or write strings.
Thus, it is impossible to use a seq record to e.g. change link fields
in other records. Available solutions to the problem (such as using a
sequence program, or a genSub record, or an external caput-script, or
whatnot) are either complicated, unsafe, too heavy-weight or simply
awkward. <aside>Similar problems exist with other standard record
types, e.g. sel, calc, etc.</aside>
You can use a string-calcout record (sCalcout) for this purpose. See
Some of the string expressions are intended mostly for use on links,
e.g., the expression
Tim Mooney ([email protected]) (630)252-5417
Beamline Controls & Data Acquisition Group
Advanced Photon Source, Argonne National Lab.
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