netcdf-c/nczarr_test/ref_string.cdl
Dennis Heimbigner 6abaab967b Fix some problems with PR https://github.com/Unidata/netcdf-c/pull/2492
re: PR https://github.com/Unidata/netcdf-c/pull/2492
re: Issue https://github.com/Unidata/netcdf-c/issues/2494

This PR fixes some problems with the pull request https://github.com/Unidata/netcdf-c/pull/2492 in response to Issue https://github.com/Unidata/netcdf-c/issues/2494.

* Found and fixed more scalar handling problems and add a test case for scalars.
* Cleanup nczarr_test/run_string.sh test
* Document *_nczarr_default_maxstrlen* and *_nczarr_maxstrlen*.

* Support both "Nan" and *Nan* as being floating point constants
  for attributes. It is unclear from the Zarr V2 spec if
  unquoted *Nan* is legal or not, but support for reading.
  Write the quoted versions when writing an attribute.  Similar
  for Infinity constants.
  So NCZarr supports the following constants for use in Attributes
    * *Nan*, "Nan", *-Nan*, "-Nan"
    * *Nanf*, "Nanf", *-Nanf*, "-Nanf"
    * *Infinity*, "Infinity", *-Infinity*, "-Infinity"
    * *Infinityf*, "Infinityf", *-Infinityf*, "-Infinityf"
2022-09-03 14:21:48 -06:00

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netcdf ref_string {
dimensions:
d2 = 2 ;
variables:
char c(d2);
string v(d2) ;
string truncated ;
truncated:_nczarr_maxstrlen = 4 ;
// global attributes:
string :stringattr = "abc", "def" ;
:charattr = "ghi", "jkl" ;
:_nczarr_default_maxstrlen = 6 ;
data:
c = "a", "b" ;
v = "uvw", "xyz" ;
truncated = "0123456789" ;
}