CGI Programming on the World Wide Web By Shishir Gundavaram 1st Edition March 1996 This book is out of print, but it has been made available online through the O'Reilly Open Books Project.

Chapter 5 Server Side Includes

 

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5.8 Tailoring SSI Output

The config SSI command allows you to select the way error messages, file size information, and date and time are displayed. For example, if you use the include command to insert a non-existing file, the server will output a default error message like the following:

[an error occurred while processing this directive]

By using the config command, you can modify the default error message. If you want to set the message to "Error, contact [email protected]" you can use the following:

<!--#config errmsg="Error, contact [email protected]"-->

You can also set the file size format that the server uses when displaying information with the fsize command. For example, this command:

<!--#config sizefmt="abbrev"-->

will force the server to display the file size rounded to the nearest kilobyte (K). You can use the argument "bytes" to set the display as a byte count:

<!--#config sizefmt="bytes"-->

Here is how you can change the time format:

<!--#config timefmt="%D %r"-->
The file address.html was last modified on: <!--#flastmod file="address.html"-->.

The output will look like this:

The file address.html was last modified on: 12/23/95 07:17:39 PM

The %D format specifies that the date should be in mm/dd/yy format, while the %r format specifies "hh/mm/ss AM|PM" format. Table 5.3 lists all the data and time formats you can use.

Table 5.3: SSI Time Formats

Format	Value	Example
%a	Day of the week abbreviation	Sun
%A	Day of the week	Sunday
%b	Month name abbreviation (see %h)	Jan
%B	Month name	January
%d	Date	01 (not 1)
%D	Date as "%m/%d/%y"	06/23/95
%e	Date	1
%H	24-hour clock hour	13
%I	12-hour clock hour	01
%j	Decimal day of the year	360
%m	Month number	11
%M	Minutes	08
%p	AM | PM	AM
%r	Time as "%I:%M:%S %p"	07:17:39 PM
%S	Seconds	09
%T	24-hour time as "%H:%M:%S"	16:55:15
%U	Week of the year (also %W)	49
%w	Day of the week number	5
%y	Year of the century	95
%Y	Year	1995
%Z	Time zone	EST

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Executing CGI Programs		Common Errors

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