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#!/bin/sh
# load config (evaluate shellscript).
# loadconfig(configfile)
loadconfig() {
# allow to specify config via argv[1].
if [ "$1" != "" ]; then
# get absolute path of config file required for including.
config="$1"
configpath=$(readlink -f "${config}" 2>/dev/null)
else
# default config location.
config="$HOME/.sfeed/sfeedrc"
configpath="${config}"
fi
# config is loaded here to be able to override $sfeedpath or functions.
if [ -r "${configpath}" ] && [ ! -d "${configpath}" ]; then
. "${configpath}"
else
printf "Configuration file \"%s\" cannot be read.\n" "${config}" >&2
echo "See the sfeedrc.example file or the sfeedrc(5) man page for an example." >&2
exit 1
fi
}
# override feed function to output OPML XML.
# feed(name, feedurl, [basesiteurl], [encoding])
feed() {
# uses the characters 0x1f and 0x1e as a separator.
printf '%s\037%s\036' "$1" "$2"
}
# load config file.
loadconfig "$1"
cat <<!
<?xml version="1.0" encoding="UTF-8"?>
<opml version="1.0">
<head>
<title>OPML export</title>
</head>
<body>
!
feeds | LC_ALL=C awk '
BEGIN {
FS = "\x1f"; RS = "\x1e";
}
{
gsub("&", "\\&");
gsub("\"", "\\"");
gsub("'"'"'", "\\'");
gsub("<", "\\<");
gsub(">", "\\>");
print "\t<outline type=\"rss\" title=\"" $1 "\" text=\"" $1 "\" xmlUrl=\"" $2 "\"/>";
}'
cat <<!
</body>
</opml>
!
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