7.1.4 Output file location in update mode

The result is written back to def.po.

‘--backup=control’

Make a backup of def.po

‘--suffix=suffix’

Override the usual backup suffix.

The version control method may be selected via the --backup option or through the VERSION_CONTROL environment variable. Here are the values:

‘none’

‘off’

Never make backups (even if --backup is given).

‘numbered’

‘t’

Make numbered backups.

‘existing’

‘nil’

Make numbered backups if numbered backups for this file already exist, otherwise make simple backups.

‘simple’

‘never’

Always make simple backups.

The backup suffix is ‘~’, unless set with --suffix or the SIMPLE_BACKUP_SUFFIX environment variable.

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