Function uucore::backup_control::determine_backup_suffix [−][src]
pub fn determine_backup_suffix(matches: &ArgMatches<'_>) -> String
Expand description
Obtain the suffix to use for a backup.
In order of precedence, this function obtains the backup suffix
- From the ‘-S’ or ‘–suffix’ CLI argument, if present
- From the “SIMPLE_BACKUP_SUFFIX” environment variable, if present
- By using the default ‘~’ if none of the others apply
This function directly takes clap::ArgMatches
as argument and looks for
the ‘-S’ and ‘–suffix’ arguments itself.