Hello, I've got a list of id's like 2300 entries.. my text of users, which is LIST.txt , is like this; 37565 24029 38421 35665 I want to pull every ID one by one and put them into a specific field in a text, LDIF.txt.. Here is my text, dn: cn=eftmonitor,ou=eft,ou=roles,dc=isbank changetype: modify delete: nsroledn nsroledn: cn=rl52882,ou=People,dc=isbank I just want to replace the number after cn=rlXXXXX.. For example, If I modify regarding the list above; dn: cn=eftmonitor,ou=eft,ou=roles,dc=isbank changetype: modify delete: nsroledn nsroledn: cn=rl37565,ou=People,dc=isbank dn: cn=eftmonitor,ou=eft,ou=roles,dc=isbank changetype: modify delete: nsroledn nsroledn: cn=rl24029,ou=People,dc=isbank dn: cn=eftmonitor,ou=eft,ou=roles,dc=isbank changetype: modify delete: nsroledn nsroledn: cn=rl38421,ou=People,dc=isbank dn: cn=eftmonitor,ou=eft,ou=roles,dc=isbank changetype: modify delete: nsroledn nsroledn: cn=rl35665,ou=People,dc=isbank There should be, one paragraph for one id, and also, there is an empty line after each paragraph. Can anyone help me? Thank you all in advance ! Cheers, Erkut

echo "" > LDIF.txt for i in `cut -d: -f1 LIST.txt`; do cat <<EOT >> LDIF.txt dn: cn=eftmonitor,ou=eft,ou=roles,dc=isbank changetype: modify delete: nsroledn nsroledn: cn=rl$i,ou=People,dc=isbank EOT done

Thank you David.. It works really fine.. You rock!