CASE INSENSITIVE CASE SENSITIVE
Next it applies built-in aliases to each item. For example, it knows that %7E in a filename or referrer is equivalent to ~ and translates it accordingly. It also strips off the directory suffix from any filenames which have it. This suffix is normally index.html, but you can specify another one instead with a command such as
DIRSUFFIX default.htm(You can only have one DIRSUFFIX.) There are other built-in aliases for other items: for example, hostnames are converted to lower case at this point.
FILEALIAS /football.html /soccer.html HOSTALIAS lion lion.statslab.cam.ac.ukThere is also the special command FILEALIAS none, which cancels any other file aliases which might have been specified.
The alias commands for the other items are called BROWALIAS, REFALIAS, USERALIAS and VHOSTALIAS. Only one alias is ever applied to any item. So after
FILEALIAS /football.html /soccer.html FILEALIAS /soccer.html /brazil.htmlthe file /soccer.html would get translated to /brazil.html, but /football.html would only get translated to /soccer.html and would not see the second alias.
You can also use wildcards (? and *) in alias commands. The left hand side can contain at most one *, unless the right hand side contains no *'s. If the right hand side contains a * too, then the part of the name represented by the * on the left hand side will be substituted at the position of the * on the right hand side. So, for example,
FILEALIAS /football/* /soccer/would translate /football/rules.html to /soccer/, but
FILEALIAS /football/* /soccer/*would translate /football/rules.html to /soccer/rules.html.
TYPEOUTPUTALIAS .txt ".txt (Plain text files)"would provide an explanation of that line in the file type report.
There can be some confusion between some ALIAS and OUTPUTALIAS commands. For example, what is the difference between HOSTALIAS and HOSTOUTPUTALIAS? In fact, there are several differences, resulting from the different times at which the aliases are processed. The HOSTALIAS applies to the host items, but the HOSTOUTPUTALIAS only applies to the lines in the host report. This means that the HOSTALIAS also affects the other reports which use the hosts, such as the domain report, whereas the HOSTOUTPUTALIAS only affects the host report. Also the HOSTOUTPUTALIAS applies separately to each line of the host report. This means that if two separate hosts translate to the same thing in a HOSTALIAS command, they will become one host ever after. But if one were to use the same HOSTOUTPUTALIAS commands, there would be two hosts, which would just happen to have the same name in one report.
In summary, HOSTALIAS would normally be used if a single host had two different names, so might otherwise appear to be two hosts, whereas HOSTOUTPUTALIAS would normally be used to annotate or clarify the host report.
The full list of output aliases is REQOUTPUTALIAS, REDIROUTPUTALIAS, FAILOUTPUTALIAS, TYPEOUTPUTALIAS, DIROUTPUTALIAS, HOSTOUTPUTALIAS, DOMOUTPUTALIAS, REFOUTPUTALIAS, REFSITEOUTPUTALIAS, REDIRREFOUTPUTALIAS, FAILREFOUTPUTALIAS, BROWOUTPUTALIAS, FULLBROWOUTPUTALIAS, VHOSTOUTPUTALIAS, USEROUTPUTALIAS and FAILUSEROUTPUTALIAS.
There is one known bug with OUTPUTALIAS. The report is sorted before the OUTPUTALIAS is applied. This means that if the SORTBY for the report is set to ALPHABETICAL, then the report will not be sorted correctly.
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