Experimental Physics and Industrial Control System
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Dear Core colleagues,
I have a new CODAC Core System (CCS) bug on my desk, saying:
New: pvput does not support anymore JSON field assignment The command line help does not mention this removal of functionality. $ pvput -h Usage: pvput [options] <PV name> <value> pvput [options] <PV name> <size/ignored> <value> [<value> ...] pvput [options] <PV name> <field>=<value> ... pvput [options] <PV name> <json_array> pvput [options] <PV name> <json_map> options: -h: Help: Print this message -V: Print version and exit -r <pv request>: Request, specifies what fields to return and options, default is '' -w <sec>: Wait time, specifies timeout, default is 5.000000 second(s) -p <provider>: Set default provider name, default is 'pva' -M <raw|nt|json>: Output mode. default is 'nt' -v: Show entire structure (implies Raw mode) -q: Quiet mode, print only error messages -d: Enable debug output Deprecated options: default: Auto - try value as enum string, then as index number -n, -s, -F, -t: ignored -f <input file>: error JSON support is present Examples: pvput double01 1.234 # shorthand pvput double01 value=1.234 pvput arr:pv X 1.0 2.0 # shorthand (X is arbitrary and ignored) pvput arr:pv "[1.0, 2.0]" # shorthand pvput arr:pv value="[1.0, 2.0]" Field values may be given with JSON syntax. Complete structure pvput double01 '{"value":1.234}' Sub-structure(s) pvput group:pv some='{"value":1.234}' other='{"value":"a string"}' $ /usr/bin/pvput PVA-SRV-TESTS:INTEGER '{"value":4321}' JSON syntax not supported by this build.
The previous CCS version was using EPICS 7.0.2 (libpvAccess 6.1.0), the one we're preparing for uses EPICS 7.0.3.1 (libpvAccess 7.1.0). I don't see any mention of this in the release notes of pvAccess [1].
Any suggestions?
Cheers, ~Ralph
- Replies:
- Re: pvput JSON syntax Timo Korhonen via Core-talk
- Re: pvput JSON syntax Mark Rivers via Core-talk
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ANJ, 16 Jan 2020 |
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