12-12-2008
It probably "delays" the interpolation until the "do" part is actually executed, at which point it might substitute the value of bla. The point is to continue to concatenate the contents of $file into a variable named "bla". It's a very strange way of doing it, but then again, I don't know the ins and outs of cygwin.
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LEARN ABOUT DEBIAN
dbconfig-load-include
dbconfig-load-include(1) dbconfig-common dbconfig-load-include(1)
NAME
dbconfig-load-include - parse custom format db config files
SYNOPSIS
dbconfig-load-include [-hv] [-a] [-d[varname]] [-u[varname]] [-p[varname]] [-s[varname]] [-P[varname]] [-t[varname]] -f format infile
DESCRIPTION
dbconfig-load-include is a program to parse custom format include files containing the information necessary to connect a program to a
database resource. This is primarily intended to be used by the dbconfig-common package to import database settings of packages with
pre-existing configurations that have migrated to dbconfig-common. for more information, please see /usr/share/doc/dbconfig-common.
OPTIONS
infile use the given config file as input
-f|--format
use the given output format (default: sh)
-a|--all
include all information in output (default)
-d|--dbname
include the dbname in the output
-p|--dbpass
include the dbpass in the output
-s|--dbserver
include the dbserver in the output
-P|--dbport
include the dbport in the output
-u|--dbuser
include the dbuser in the output
-t|--dbtype
include the dbtype in the output
-h|--help
display this helpful message
-v|--version
output the version and exit
format is one of a list of include-file style formats for various programming languages. the current list includes:
sh /bin/sh style include file
perl perl parseable include file
php php parseable include file
exec run the file as a script and interpret its output
sean finney March 2005 dbconfig-load-include(1)