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metadata: Added -r to remove all current values of a field.

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Joey Hess 2016-02-29 13:00:46 -04:00
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doc/git-annex-metadata.mdwn
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@ -19,34 +19,39 @@ When run without any -s or -t parameters, displays the current metadata.
# OPTIONS
* `-g field`
* `-g field` / `--get field`
Get the value(s) of a single field.
The values will be output one per line, with no other output, so
this is suitable for use in a script.
* `-s field=value`
* `-s field=value` / `--set field=value`
Set a field's value, removing any old values.
* `-s field+=value`
* `-s field+=value` / `--set field+=value`
Add an additional value, preserving any old values.
* `-s field-=value`
Remove a value.
* `-s field?=value`
* `-s field?=value` / `--set field?=value`
Set a value, but only if the field does not already have a value set.
* `-t tag`
* `-s field-=value` / `--set field-=value`
Remove a value from a field, leaving any other values that the field has
set.
* `-r field` / `--remove field`
Remove all current values of the field.
* `-t tag` / `--tag tag`
Set a tag. Note that a tag is just a value of the "tag" field.
* `-u tag`
* `-u tag` / `--unset tag`
Unset a tag.