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Description
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Reads a block of persistent data. See also sim.persistentDataWrite, sim.getPersistentDataTags, sim.getStringSignal, sim.getInt32Signal, sim.getDoubleSignal and sim.readCustomDataBlock.
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C/C++
synopsis
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simChar* simPersistentDataRead(const simChar* dataTag,simInt* dataLength) |
C/C++
parameters |
dataTag: name of the data block
dataLength: the size of the returned data block, since it may contain any data (also embedded zeros).
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C/C++
return value
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nullptr if operation was not successful or data block does not exist, otherwise the data block (which may contain any value, including embedded zeros). In that case the returned buffer should be released with simReleaseBuffer
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Lua
synopsis
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buffer dataValue=sim.persistentDataRead(string dataTag)
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Lua
parameters |
dataTag: name of the data block
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Lua
return values
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dataValue: value of the data block, or nil if data block does not exist. The returned data block may contain any value, including embedded zeros.
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Python
synopsis |
string/bytes dataValue=sim.persistentDataRead(string dataTag) |
