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list getSourceDest(string confLine)
{
list nop; // no action at nop
list fields = strtok(confLine, " \t\n"); // break up the line in parts
string source = fields[0]; // look at the first element
// ignore empty lines and comment
if (listlen(fields) == 0 || source[0] == "#")
return nop;
string flags = source; // remove P/L/D flags
if (listfind(g_actions, flags) == -1) // no flags: source OK
flags = "";
else
{
fields = shift(fields); // remove fields[0]
source = fields[0]; // reassign source
}
g_confirmInstall = source == "?"; // check for a confirmation request
if (g_confirmInstall)
fields = shift(fields); // if so, then reassign source
return skip(flags) ? // inspect the P/L/D and b flags:
nop
:
fields; // [0]: source, [1]: dest
}
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