#!/usr/bin/env php
If you call this with argument "unused=true" it searches for the translation strings that exist in en_US but are never used.
IMPORTANT: that can take quite a lot of time (up to 10 minutes), you need to tune the max_execution_time on your php.ini accordingly.
Duplicate strings in lang files in /home/iunaorg/public_html/thomas.ar.nf/dev/translation/../../htdocs/langs/en_US/ - 90 found

***** Entries duplicated in same file
NotTheAssignedApprover : holiday.lang (74 - You are not the assigned approver) (98 - You are not the assigned approver) 
CurrentValue : main.lang (211 - Current value) (674 - Current Value) 

***** Entries in main and another (keep only entry in main)
ByYear : accountancy.lang (168 - By year) main.lang (771 - By year) 
Browser : admin.lang (977 - Browser) main.lang (696 - Browser) 
Events : agenda.lang (12 - Events) main.lang (868 - Events) 
ValidatePayment : bills.lang (92 - Validate payment) main.lang (724 - Validate payment) 
StatusInterInvoiced : interventions.lang (30 - Billed) main.lang (486 - ) 
Closed : main.lang (141 - Closed) ticket.lang (65 - Closed) 
NewObject : main.lang (209 - New %s) modulebuilder.lang (9 - New object) 
Type : main.lang (213 - Type) ticket.lang (69 - Type) 
MulticurrencyPaymentAmount : main.lang (353 - Payment amount, original currency) multicurrency.lang (19 - Payment amount, original currency) 
Category : main.lang (464 - Tag/category) ticket.lang (70 - Category) 

***** Entries in admin and another
InternalUser : admin.lang (48 - Internal user) users.lang (68 - Internal user) 
NewModule : admin.lang (203 - New) modulebuilder.lang (8 - New module) 
NoticePeriod : admin.lang (261 - Notice period) holiday.lang (110 - Notice period) 
LanguageFile : admin.lang (354 - Language file) modulebuilder.lang (49 - File for language) 
String : admin.lang (395 - String) members.lang (101 - String) 
Int : admin.lang (398 - Integer) members.lang (103 - Int) 
DateAndTime : admin.lang (400 - Date and hour) members.lang (104 - Date and time) 
Field : admin.lang (469 - Field) blockedlog.lang (2 - Field) exports.lang (60 - Field) 
Upgrade : admin.lang (966 - Upgrade) install.lang (101 - Upgrade) 
Server : admin.lang (978 - Server) install.lang (47 - Server) 
DatabaseServer : admin.lang (980 - Database host) install.lang (50 - Database server) 
DatabaseName : admin.lang (981 - Database name) install.lang (51 - Database name) 
DriverType : admin.lang (989 - Driver type) install.lang (46 - Driver type) 
CompanyName : admin.lang (1010 - Name) companies.lang (26 - Company name) 
CreditNote : admin.lang (1223 - Credit note) bills.lang (283 - Credit note) 
CreditNotes : admin.lang (1224 - Credit notes) bills.lang (284 - Credit notes) 
WithdrawalsSetup : admin.lang (1486 - Setup of module Direct debit payment orders) withdrawals.lang (22 - Direct debit payment setup) 
Buy : admin.lang (1572 - Buy) products.lang (48 - Purchases) 
Sell : admin.lang (1573 - Sell) products.lang (47 - Sales) 
AccountancyCode : admin.lang (1576 - Accounting Code) companies.lang (305 - Accounting account) 
CashDesk : admin.lang (1599 - Point of sales) cashdesk.lang (3 - Point of sale) 
ByDefaultInList : admin.lang (1745 - Show by default on list view) categories.lang (89 - By default in list) 

***** Other
LineId : accountancy.lang (113 - Id line) exports.lang (41 - Id of line) 
CustomerInvoicePayment : accountancy.lang (184 - Payment of invoice customer) banks.lang (99 - Customer payment) 
Nature : accountancy.lang (241 - Nature) members.lang (174 - Nature) products.lang (161 - Nature) 
AffectedTo : agenda.lang (10 - Assigned to) projects.lang (106 - Allocated to) 
Location : agenda.lang (16 - Location) stocks.lang (32 - Location) 
InterventionSentByEMail : agenda.lang (79 - Intervention %s sent by EMail) interventions.lang (38 - Intervention %s sent by EMail) 
IBAN : banks.lang (32 - IBAN number) bills.lang (424 - IBAN) 
BIC : banks.lang (33 - BIC/SWIFT number) bills.lang (425 - BIC/SWIFT) 
StandingOrders : banks.lang (38 - Direct Debit orders) bills.lang (230 - Direct debit orders) 
StandingOrder : banks.lang (39 - Direct debit order) bills.lang (231 - Direct debit order) 
Account : banks.lang (64 - Account) compta.lang (15 - Account) 
SubscriptionPayment : banks.lang (101 - Subscription payment) members.lang (158 - Subscription payment) 
Payments : bills.lang (63 - Payments) compta.lang (83 - Payments) 
InvoiceRef : bills.lang (312 - Invoice ref.) compta.lang (208 - Invoice ref.) 
NoSupplierOrder : boxes.lang (67 - No recorded supplier order) orders.lang (78 - No purchase order) 
ShowCompany : cashdesk.lang (29 - Show company) companies.lang (321 - Show Third Party) 
DeleteFromCat : categories.lang (82 - Remove from tags/category) compta.lang (250 - Remove from accounting group) 
Customer : commercial.lang (4 - Customer) companies.lang (268 - Customer) 
Prospect : commercial.lang (6 - Prospect) companies.lang (266 - Prospect) propal.lang (12 - Prospect) 
ShowTask : commercial.lang (18 - Show task) projects.lang (39 - Show task) 
ToPay : compta.lang (66 - To pay) paybox.lang (14 - Do payment) 
ContractStatusClosed : contracts.lang (9 - Closed) products.lang (75 - Closed) 
ExportsArea : exports.lang (2 - Exports) other.lang (241 - Exports area) 
ExportableDatas : exports.lang (6 - Exportable dataset) other.lang (245 - Exportable data) 
AvailableFormats : exports.lang (27 - Available Formats) other.lang (242 - Available formats) 
CreateUser : install.lang (57 - Create owner or grant him permission on database) users.lang (30 - Create user) 
OrderDate : orders.lang (10 - Order date) suppliers.lang (9 - Order date) 
CreatedBy : other.lang (104 - Created by %s) ticket.lang (146 - Created by) 
FollowingUrlAreAvailableToMakePayments : paybox.lang (4 - Following URLs are available to offer a page to a customer to make a payment on Dolibarr objects) stripe.lang (5 - Following URLs are available to offer a page to a customer to make a payment on Dolibarr objects) 
PaymentForm : paybox.lang (5 - Payment form) stripe.lang (6 - Payment form) 
WelcomeOnPaymentPage : paybox.lang (6 - Welcome to our online payment service) stripe.lang (7 - Welcome to our online payment service) 
ThisScreenAllowsYouToPay : paybox.lang (7 - This screen allow you to make an online payment to %s.) stripe.lang (8 - This screen allow you to make an online payment to %s.) 
ThisIsInformationOnPayment : paybox.lang (8 - This is information on payment to do) stripe.lang (9 - This is information on payment to do) 
ToComplete : paybox.lang (9 - To complete) stripe.lang (10 - To complete) 
YourEMail : paybox.lang (10 - Email to receive payment confirmation) stripe.lang (11 - Email to receive payment confirmation) 
Creditor : paybox.lang (11 - Creditor) stripe.lang (13 - Creditor) 
PaymentCode : paybox.lang (12 - Payment code) stripe.lang (14 - Payment code) 
Continue : paybox.lang (16 - Next) stripe.lang (17 - Next) 
ToOfferALinkForOnlinePayment : paybox.lang (17 - URL for %s payment) stripe.lang (18 - URL for %s payment) 
ToOfferALinkForOnlinePaymentOnOrder : paybox.lang (18 - URL to offer a %s online payment user interface for a customer order) stripe.lang (19 - URL to offer a %s online payment user interface for a customer order) 
ToOfferALinkForOnlinePaymentOnInvoice : paybox.lang (19 - URL to offer a %s online payment user interface for a customer invoice) stripe.lang (20 - URL to offer a %s online payment user interface for a customer invoice) 
ToOfferALinkForOnlinePaymentOnContractLine : paybox.lang (20 - URL to offer a %s online payment user interface for a contract line) stripe.lang (21 - URL to offer a %s online payment user interface for a contract line) 
ToOfferALinkForOnlinePaymentOnFreeAmount : paybox.lang (21 - URL to offer a %s online payment user interface for a free amount) stripe.lang (22 - URL to offer a %s online payment user interface for a free amount) 
ToOfferALinkForOnlinePaymentOnMemberSubscription : paybox.lang (22 - URL to offer a %s online payment user interface for a member subscription) stripe.lang (23 - URL to offer a %s online payment user interface for a member subscription) 
YouCanAddTagOnUrl : paybox.lang (23 - You can also add url parameter <b>&tag) stripe.lang (24 - You can also add url parameter <b>&tag) 
AccountParameter : paybox.lang (27 - Account parameters) stripe.lang (26 - Account parameters) 
UsageParameter : paybox.lang (28 - Usage parameters) stripe.lang (27 - Usage parameters) 
InformationToFindParameters : paybox.lang (29 - Help to find your %s account information) stripe.lang (28 - Help to find your %s account information) 
VendorName : paybox.lang (31 - Name of vendor) stripe.lang (30 - Name of vendor) 
CSSUrlForPaymentForm : paybox.lang (32 - CSS style sheet url for payment form) stripe.lang (31 - CSS style sheet url for payment form) 
Stock : products.lang (44 - Stock) stocks.lang (18 - Stock) 
Stocks : products.lang (45 - Stocks) stocks.lang (19 - Stocks) 
Movements : products.lang (46 - Movements) stocks.lang (23 - Movements) 
Suppliers : products.lang (80 - Suppliers) suppliers.lang (2 - Vendors) 
ListOfStockMovements : products.lang (87 - List of stock movements) stocks.lang (26 - List of stock movements) 
Unit : products.lang (163 - Unit) stocks.lang (39 - Unit)