diff options
Diffstat (limited to 'man')
| -rw-r--r-- | man/man8/zfs-program.8 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/man/man8/zfs-program.8 b/man/man8/zfs-program.8 index d84990ca1..2e4e9587d 100644 --- a/man/man8/zfs-program.8 +++ b/man/man8/zfs-program.8 @@ -289,6 +289,18 @@ msg (string) .Bd -ragged -compact -offset "xxxx" Debug message to be printed. .Ed +.It Em zfs.exists(dataset) +Returns true if the given dataset exists, or false if it doesn't. +A fatal error will be thrown if the dataset is not in the target pool. +That is, in a channel program running on rpool, +zfs.exists("rpool/nonexistent_fs") returns false, but +zfs.exists("somepool/fs_that_may_exist") will error. +.Pp +dataset (string) +.Bd -ragged -compact -offset "xxxx" +Dataset to check for existence. +Must be in the target pool. +.Ed .It Em zfs.get_prop(dataset, property) Returns two values. First, a string, number or table containing the property value for the given |