|LOGGER(1P)||POSIX Programmer's Manual||LOGGER(1P)|
It is implementation-defined whether messages written in locales other than the POSIX locale are effective.
- One of the string arguments whose contents are concatenated together, in the order specified, separated by single <space> characters.
- Provide a default value for the internationalization variables that are unset or null. (See the Base Definitions volume of POSIX.1‐2017, Section 8.2, Internationalization Variables for the precedence of internationalization variables used to determine the values of locale categories.)
- If set to a non-empty string value, override the values of all the other internationalization variables.
- Determine the locale for the interpretation of sequences of bytes of text data as characters (for example, single-byte as opposed to multi-byte characters in arguments).
Determine the locale that should be used to affect the format and contents of diagnostic messages written to standard error. (This means diagnostics from logger to the user or application, not diagnostic messages that the user is sending to the system administrator.)
- Determine the location of message catalogs for the processing of LC_MESSAGES.
- Successful completion.
- An error occurred.
The following sections are informative.
logger myname: unable to read file foo. [timestamp]
The text with LC_MESSAGES about diagnostic messages means diagnostics from logger to the user or application, not diagnostic messages that the user is sending to the system administrator.
Multiple string arguments are allowed, similar to echo, for ease-of-use.
Like the utilities mailx and lp, logger is admittedly difficult to test. This was not deemed sufficient justification to exclude these utilities from this volume of POSIX.1‐2017. It is also arguable that they are, in fact, testable, but that the tests themselves are not portable.
The Base Definitions volume of POSIX.1‐2017, Chapter 8, Environment Variables
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|2017||IEEE/The Open Group|