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-rw-r--r--tools/h5diff/testfiles/h5diff_624.txt30
1 files changed, 20 insertions, 10 deletions
diff --git a/tools/h5diff/testfiles/h5diff_624.txt b/tools/h5diff/testfiles/h5diff_624.txt
index 4c9da26..272b9fc 100644
--- a/tools/h5diff/testfiles/h5diff_624.txt
+++ b/tools/h5diff/testfiles/h5diff_624.txt
@@ -1,5 +1,5 @@
<-n 0x1> is not a valid option
-usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
+usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
file1 File name of the first HDF5 file
file2 File name of the second HDF5 file
[obj1] Name of an HDF5 object, in absolute path
@@ -70,16 +70,26 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
-v Verbose mode: print the above plus a list of objects and warnings
-q Quiet mode: do not print output
- Compare criteria
- If no objects [obj1[obj2]] are specified, h5diff only compares objects
- with the same absolute path in both files
+ File comparison:
+ If no objects [obj1[ obj2]] are specified, the h5diff comparison proceeds as
+ a comparison of the two files' root groups. That is, h5diff first compares
+ the names of root group members, generates a report of root group objects
+ that appear in only one file or in both files, and recursively compares
+ common objects.
- The compare criteria is:
- 1) datasets: numerical array differences
- 2) groups: name string difference
- 3) datatypes: the return value of H5Tequal
- 4) links: name string difference of the linked value as default
- (refer to --follow-symlinks option).
+ Object comparison:
+ 1) Groups
+ First compares the names of member objects (relative path, from the
+ specified group) and generates a report of objects that appear in only
+ one group or in both groups. Common objects are then compared recursively.
+ 2) Datasets
+ Array rank and dimensions, datatypes, and data values are compared.
+ 3) Datatypes
+ The comparison is based on the return value of H5Tequal.
+ 4) Symbolic links
+ The paths to the target objects are compared.
+ (The option --follow-symlinks overrides the default behavior when
+ symbolic links are compared.).
Exit code:
0 if no differences, 1 if differences found, 2 if error