XPACHANGES(7) - Linux man page online | Overview, conventions, and miscellany

Changes For Users from XPA 1.0 and 2.0.

July 23, 2013
xpachanges(7) SAORD Documentation xpachanges(7)


XPAChanges - Changes For Users from XPA 1.0 and 2.0


This document describes changes that will affect users who migrate from XPA 1.0 to XPA 2.0.


There have been a few changes that affect users who upgrade XPA from version 1.0 to version 2.0. These changes are detailed below. · XPA commands no longer have a resolver routine (this is open to negotiations, but we decided the idea was dumb). For the SAOtng program, this means that you must explicitly specify the access point, i.e.,: cat foo.fits | xpaset SAOtng fits instead of: cat foo.fits | xpaset SAOtng · By default, xpaset, xpaget, etc. now wait for the server callback to complete; i.e., the old -W is implied (and the switch is ignored). This allows support for better error handling. If you want xpaset, etc. to return before the callback is complete, use -n switch: echo "file foo.fits" | xpaset -n SAOtng · The old -w switch in xpaset and xpaget is no longer necessary (and is ignored), since you can have more than one process communicating with an xpa access point at one time. · The new -p switch on xpaset means you need not read from stdout: xpaset -p SAOtng colormap I8 will send the paramlist to the SAOtng callback without reading from stdin.


See xpa(7) for a list of XPA help pages
version 2.1.15 July 23, 2013 xpachanges(7)
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