Programmer Guide/Command Reference/EMSG: Difference between revisions
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{{Command Reference}} | |||
#emsg := EMSG <var>errorCode</var> | #emsg := EMSG <var>errorCode</var> | ||
or | or | ||
Latest revision as of 09:40, 13 May 2015
#emsg := EMSG errorCode
or
EMSG tableItem
The EMSG command will return a string describing the meaning of the numerical error code errorCode returned by an STx command. If a table item (tableItem) is passed instead of an error code, all error descriptions are stored in the table (deleting the previous contents).
// store all error messages in a simple table #tab := new table * EMSG $#tab // show this table to the user showitem $#tab // tidily dispose of the table after use delete /Var #tab
or
// check if command fails and display error message on error #spu := new spu * testspu pa pb pc if '$rc' > 0 em $rc ; SPU creation failed: $(emsg $rc)
