Add select command #430
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Add select command #430
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This commit adds the select command to the CLI. This command is used to print out the shapes in a model that match a selector, including the ability to print out a JSON document containing the shape and the variables captured when the shape was matched. Several commands and bits of functionality were cleaned up to make it easier to control writing things like validation to stderr or stdout. When using the select command, only the matched shapes or JSON output should be written to stdout, whereas validation info should be written to stderr. This commit also better organizes the output of --help so that arguments available to all commands and that aren't as important as command-specific arguments are shown at the end of the argument list rather than the beginning.
kstich
approved these changes
May 11, 2020
Merged
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This commit adds the select command to the CLI. This command is used to
print out the shapes in a model that match a selector, including the
ability to print out a JSON document containing the shape and the
variables captured when the shape was matched.
Several commands and bits of functionality were cleaned up to make it
easier to control writing things like validation to stderr or stdout.
When using the select command, only the matched shapes or JSON output
should be written to stdout, whereas validation info should be written
to stderr.
This commit also better organizes the output of --help so that arguments
available to all commands and that aren't as important as
command-specific arguments are shown at the end of the argument list
rather than the beginning.
Issue #, if available:
Description of changes:
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.