ldap-get-uid-email-mapping.sh

#!/bin/bash
# assuming that username is LDAP `cn` and email is LDAP `mail`
USERS="ou=users,dc=unity,dc=rc,dc=umass,dc=edu"
ldapsearch -LLL -x -o ldif-wrap=no -b $USERS mail cn | 
    grep -v dn: | # delete lines that have `dn:`
    tr '\n' ',' | # replace newlines with command
    sed -r 's/\,{2,}/\n/g' | # replace multiple commans with a newline
    sed -r 's/mail: (.*),cn: (.*)/cn: \2,mail: \1/g' | # if string is `mail,cn` rearrange it to be `cn,mail`
    sed 's/mail: //g' | # remove `mail: `
    sed 's/cn: //g' # remove `cn: `