Code:
# Global Array Desription
#
# Names["cnt" ] = Names count in names list (input line)
# Names["invalid" ] = 0 if all valid names, 1 otherwise
# Names["list" ] = Formated names list
#
# Names[n, "parts"] = Parts of name n in list
# Names[n, "first"] = Firstname for name n in list
# Names[n, "middle"] = Middlename for name n in list
# Names[n, "last"] = Lastname for name n in list
# Names[n, "name"] = Formated name n in list
# Names[n, "invalid"] = 0 if name n is valid, 1 otherwise
#
#=======================================================================
# F U N C T I O N S . . .
#=======================================================================
#
# set_name(name) - Set name informations
#
function set_name(name ,parts, p) {
#
# Set name parts
#
parts = Names[name, "parts"]
while (1) {
if (Names[name, parts] ~ /^(JR|SR)$/ ||
Names[name, parts] ~ /^[IVX]+$/ ||
Names[name, parts-1] ~ /^(DE|MC)$/ ) {
Names[name, parts-1] = Names[name, parts-1] " " Names[name, parts];
parts--;
continue;
}
if (Names[name, 1] ~ /^(MR|MRS|MS)$/) {
for (p=2; p<=parts; p++)
Names[name, p-1] = Names[name, p];
parts--;
continue;
}
break;
}
Names[name, "parts"] = parts;
Names[name, "invalid"] = 0;
#
# Set name components
#
if (parts == 3) {
if (length(Names[name, 2]) > 1) {
Names[name, "invalid"] = 1;
} else {
Names[name, "first"] = Names[name, 1];
Names[name, "middle"] = Names[name, 2];
Names[name, "last"] = Names[name, 3];
}
} else if (parts == 2) {
Names[name, "first"] = Names[name, 1];
if (length(Names[name, 2]) == 1 && name < Names["cnt"]) {
Names[name, "middle"] = Names[name, 2];
Names[name, "last"] = Names[name+1, "last"];
} else {
Names[name, "middle"] = " ";
Names[name, "last"] = Names[name, 2];
}
} else if (parts == 1) {
if (name < Names["cnt"]) {
Names[name, "first"] = Names[name, 1];
Names[name, "middle"] = " ";
Names[name, "last"] = Names[name+1, "last"];
} else
Names[name, "invalid"] = 1;
} else
Names[name, "invalid"] = 1;
Names["invalid"] += Names[name, "invalid"];
#
# Format name
#
if (Names[name, "invalid"]) {
Names[name, "name"] = "";
for (p=1; p<=parts; p++)
Names[name, "name"] = Names[name, "name"] (p>1 ? " " : "") Names[name, p];
} else {
Names[name, "name"] = Names[name, "first"] ":" Names[name, "middle"] ":" Names[name, "last"];
}
}
#
# split_list() - Split input names list
#
function split_list( f ,cnt ,parts) {
cnt = 1;
parts = 0;
for (f=1; f<=NF; f++) {
if ($f != "&") {
Names[cnt, ++parts] = $f
} else {
Names[cnt, "parts"] = parts;
parts = 0;
cnt++;
}
}
Names[cnt, "parts"] = parts;
Names[ "cnt"] = cnt;
Names["invalid"] = 0;
Names[ "list"] = "";
}
#
# set_list() - Format names list
#
function format_list( name ,list ,sep) {
list = "";
sep = (Names["invalid"] ? " & " : ":");
for (name=1; name<=Names["cnt"]; name++) {
list = list (name>1 ? sep : "") Names[name, "name"];
}
Names["list"] = list;
}
#
# analyze_list() - Analyze input names list
#
function analyze_list( n) {
split_list();
for (n=Names["cnt"]; n>0; --n) {
set_name(n);
}
format_list();
}
#=======================================================================
# M A I N . . .
#=======================================================================
NF {
analyze_list();
print "Input =" $0
print "Output=" Names["list"];
print ""
}
