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Update archive_command example to use || test, rather than if [].

This commit is contained in:
Bruce Momjian 2007-12-17 09:03:52 +00:00
parent 8e179aeb9e
commit 3791d26d4b
1 changed files with 2 additions and 2 deletions
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4
doc/src/sgml/backup.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.111 2007/12/17 04:30:05 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.112 2007/12/17 09:03:52 momjian Exp $ -->
<chapter id="backup">
<title>Backup and Restore</title>
@ -1290,7 +1290,7 @@ restore_command = 'copy /mnt/server/archivedir/%f "%p"' # Windows
<literal>on</>, and set up an <varname>archive_command</> that performs
archiving only when a <quote>switch file</> exists. For example:
<programlisting>
archive_command = 'if [ -f /var/lib/pgsql/backup_in_progress ]; then cp -i %p /var/lib/pgsql/archive/%f &lt;/dev/null ; fi'
archive_command = 'test ! -f /var/lib/pgsql/backup_in_progress || cp -i %p /var/lib/pgsql/archive/%f &lt; /dev/null'
</programlisting>
This command will perform archiving when
<filename>/var/lib/pgsql/backup_in_progress</> exists, and otherwise