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12 If we are interested only in certain records in some relation, we can filter it using <code>relpipe-tr-grep</code>. |
12 If we are interested only in certain records in some relation, we can filter it using <code>relpipe-tr-grep</code>. |
13 If we want to list e.g. only Btrfs and XFS file systems from our <code>fstab</code> (see above), we will run: |
13 If we want to list e.g. only Btrfs and XFS file systems from our <code>fstab</code> (see above), we will run: |
14 </p> |
14 </p> |
15 |
15 |
16 |
16 |
17 <m:pre jazyk="bash"><![CDATA[relpipe-in-fstab | relpipe-tr-grep 'fstab' 'type' 'btrfs|xfs' | relpipe-out-tabular]]></m:pre> |
17 <m:pre jazyk="bash"><![CDATA[relpipe-in-fstab \ |
|
18 | relpipe-tr-grep --relation 'fstab' --attribute 'type' --value 'btrfs|xfs' \ |
|
19 | relpipe-out-tabular]]></m:pre> |
18 |
20 |
19 <p>and we will get following filtered result:</p> |
21 <p>and we will get following filtered result:</p> |
20 <pre><![CDATA[fstab: |
22 <pre><![CDATA[fstab: |
21 ╭─────────────────┬──────────────────────────────────────┬──────────────────────┬───────────────┬──────────────────┬────────────────┬────────────────╮ |
23 ╭─────────────────┬──────────────────────────────────────┬──────────────────────┬───────────────┬──────────────────┬────────────────┬────────────────╮ |
22 │ scheme (string) │ device (string) │ mount_point (string) │ type (string) │ options (string) │ dump (integer) │ pass (integer) │ |
24 │ scheme (string) │ device (string) │ mount_point (string) │ type (string) │ options (string) │ dump (integer) │ pass (integer) │ |