#!/bin/sh
#script to search the LDAP server names corresponding to given netIDs
#usage: ./cloister_listserv_parser < cloister_listserv > *name-netID-file*

#clear out previous files
rm -f names
rm -f yearfile
awk '{
	end=index($1, "@")
	netID[NR]=substr($1, 1, end-1)
}
END {
	for(i=1;i<=NR;i++)
		print netID[i] > "netIDfile"
}'
while read LINE
do
/usr/bin/ldapsearch -x -h ldap.princeton.edu -u -b o='Princeton University,c=US' "uid=$LINE" cn ou > ldapresults
#echo $LINE
cnterm="cn: "
outerm="ou: "
searchterm="${cnterm}.*(.*).*" 
results=`grep -i "$searchterm" ldapresults`
year=`grep -i "$outerm" ldapresults`
echo $results >> names
echo $year >> yearfile
done < "netIDfile"
awk '{
	if (FILENAME == "names") {
		sub(/cn: /, "", $0)
		numfields[FNR] = NF
		temp = ""
		for(i=1;i<NF;i++) {
			if(i == 1) { temp = $i } 
			else { temp = temp " " $i }
		}
		fullname[FNR] = temp
	}
	if (FILENAME == "netIDfile") {
		netID[FNR] = $1
	}
	if (FILENAME == "yearfile") {
		sub(/ou: /, "", $0)
		year[FNR]=$NF
	}
}
END {
	for(i=1;i<FNR;i++) {
		printf("%s %s %s\n", fullname[i], netID[i], year[i])
	}
	printf("%s %s %s", fullname[FNR], netID[FNR], year[FNR])
}' names netIDfile yearfile