#!/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 /var/www/clients/client1/web2/web/dolibarr/dev/translation/../../htdocs/langs/en_US/ - 99 found

***** Entries duplicated in same file
ShowAccountingJournal : accountancy.lang (91 - Show accounting journal) (292 - Show accounting journal) 
FeatureNotAvailableWithReceptionModule : admin.lang (2012 - Feature not available when module Reception is enabled) (2017 - Feature not available when module Reception is enabled) 
NewAssetType : assets.lang (24 - New asset type) (64 - New asset type) 
NotTheAssignedApprover : holiday.lang (77 - You are not the assigned approver) (101 - You are not the assigned approver) 
Language_es_GT : languages.lang (36 - Spanish (Guatemala)) (44 - Spanish (USA)) 
unitG : products.lang (198 - Gram) (206 - Gram) 
unitM : products.lang (199 - Meter) (210 - Meter) 
unitM2 : products.lang (201 - Square meter) (216 - Square meter) 
unitM3 : products.lang (202 - Cubic meter) (222 - Cubic meter) 
Reception : receptions.lang (4 - Reception) (7 - Reception) 
Receptions : receptions.lang (5 - Receptions) (8 - Receptions) 
ImportSite : website.lang (77 - Import website template) (121 - Import website) 

***** Entries in main and another (keep only entry in main)
ByYear : accountancy.lang (203 - By year) main.lang (792 - By year) 
Events : agenda.lang (12 - Events) main.lang (900 - Events) 
ShowDetails : blockedlog.lang (16 - Show stored details) main.lang (1060 - Show details) 
Browser : cashdesk.lang (91 - Browser) main.lang (711 - Browser) 
StatusToPay : compta.lang (66 - To pay) main.lang (423 - To pay) 
IncotermLabel : incoterm.lang (3 - Incoterms) main.lang (914 - Incoterms) 
StatusInterInvoiced : interventions.lang (30 - Billed) main.lang (508 - Invoiced) 
Closed : main.lang (144 - Closed) ticket.lang (70 - Closed) 
ConfirmCloneAsk : main.lang (177 - Are you sure you want to clone the object <b>%s</b>?) supplier_proposal.lang (37 - Are you sure you want to clone the price request <b>%s</b>?) 
Type : main.lang (222 - Type) ticket.lang (74 - Type) 
MulticurrencyPaymentAmount : main.lang (367 - Payment amount, original currency) multicurrency.lang (19 - Payment amount, original currency) 
Category : main.lang (484 - Tag/category) ticket.lang (75 - Analytic code) 
OpenAll : main.lang (511 - Open (All)) stocks.lang (154 - Open for all actions) 
Rejects : main.lang (526 - Rejects) withdrawals.lang (40 - Rejects) 
NotRead : main.lang (662 - Not read) ticket.lang (63 - Not read) 

***** Entries in admin and another
InternalUser : admin.lang (49 - Internal user) users.lang (68 - Internal user) 
NewModule : admin.lang (210 - New module) modulebuilder.lang (8 - New module) 
NoticePeriod : admin.lang (270 - Notice period) holiday.lang (113 - Notice period) 
LanguageFile : admin.lang (369 - Language file) modulebuilder.lang (50 - File for language) 
PriceFormatInCurrentLanguage : admin.lang (410 - Price Format In Current Language) companies.lang (30 - Price display format in the current language and currency) 
String : admin.lang (411 - String) members.lang (105 - String) 
Int : admin.lang (416 - Integer) members.lang (107 - Int) 
DateAndTime : admin.lang (418 - Date and hour) members.lang (108 - Date and time) 
Field : admin.lang (496 - Field) blockedlog.lang (2 - Field) exports.lang (62 - Field) 
Module62000Name : admin.lang (668 - Incoterms) incoterm.lang (1 - Incoterm) 
Module62000Desc : admin.lang (669 - Add features to manage Incoterms) incoterm.lang (2 - Add features to manage Incoterm) 
Upgrade : admin.lang (1053 - Upgrade) install.lang (110 - Upgrade) 
Server : admin.lang (1064 - Server) install.lang (55 - Server) 
DatabaseServer : admin.lang (1066 - Database host) install.lang (58 - Database server) 
DatabaseName : admin.lang (1067 - Database name) install.lang (59 - Database name) 
DriverType : admin.lang (1075 - Driver type) install.lang (54 - Driver type) 
CompanyName : admin.lang (1096 - Name) companies.lang (25 - Company name) 
WithdrawalsSetup : admin.lang (1597 - Setup of module Direct Debit payments) withdrawals.lang (36 - Direct debit payment setup) 
Buy : admin.lang (1679 - Buy) products.lang (56 - Purchase) 
Sell : admin.lang (1680 - Sell) products.lang (55 - Sell) 
AccountancyCode : admin.lang (1683 - Accounting Code) companies.lang (312 - Accounting account) 
CashDesk : admin.lang (1706 - Point of Sale) cashdesk.lang (3 - Point of sale) 
ByDefaultInList : admin.lang (1865 - Show by default on list view) categories.lang (85 - By default in list) 

***** Other
LineId : accountancy.lang (128 - Id line) exports.lang (43 - Id of line) 
CustomerInvoicePayment : accountancy.lang (220 - Payment of invoice customer) banks.lang (104 - Customer payment) 
NotReconciled : accountancy.lang (283 - Not reconciled) banks.lang (103 - Not reconciled) 
AffectedTo : agenda.lang (10 - Assigned to) projects.lang (117 - Allocated to) 
Location : agenda.lang (16 - Location) stocks.lang (34 - Location) 
InterventionSentByEMail : agenda.lang (84 - Intervention %s sent by email) interventions.lang (38 - Intervention %s sent by email) 
DeleteType : assets.lang (29 - Delete) members.lang (80 - Delete) 
ShowTypeCard : assets.lang (32 - Show type '%s') members.lang (148 - Show type '%s') 
IBAN : banks.lang (32 - IBAN number) bills.lang (442 - IBAN) 
BIC : banks.lang (33 - BIC/SWIFT code) bills.lang (445 - BIC/SWIFT) 
Account : banks.lang (67 - Account) compta.lang (15 - Account) 
SubscriptionPayment : banks.lang (106 - Subscription payment) members.lang (162 - Subscription payment) 
InvoiceRef : bills.lang (325 - Invoice ref.) receiptprinter.lang (67 - Invoice ref) 
NoSupplierOrder : boxes.lang (72 - No recorded purchase order) orders.lang (80 - No purchase order) 
ShowCompany : cashdesk.lang (30 - Show company) companies.lang (328 - Third Party) 
History : cashdesk.lang (69 - History) suppliers.lang (6 - History) 
DeleteFromCat : categories.lang (78 - Remove from tags/category) compta.lang (247 - Remove from accounting group) 
Customer : commercial.lang (4 - Customer) companies.lang (272 - Customer) 
Prospect : commercial.lang (6 - Prospect) companies.lang (270 - Prospect) propal.lang (12 - Prospect) 
ShowTask : commercial.lang (18 - Show task) projects.lang (39 - Show task) 
ContractStatusClosed : contracts.lang (9 - Closed) products.lang (84 - Closed) 
ExportsArea : exports.lang (2 - Exports) other.lang (266 - Exports area) 
ExportableDatas : exports.lang (6 - Exportable dataset) other.lang (270 - Exportable data) 
AvailableFormats : exports.lang (27 - Available Formats) other.lang (267 - Available formats) 
CreateUser : install.lang (66 - Create user account or grant user account permission on the Dolibarr database) users.lang (30 - Create user) 
OrderDate : orders.lang (10 - Order date) suppliers.lang (9 - Order date) 
CreatedBy : other.lang (115 - Created by %s) ticket.lang (157 - 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 (15 - Next) stripe.lang (17 - Next) 
AccountParameter : paybox.lang (19 - Account parameters) stripe.lang (27 - Account parameters) 
UsageParameter : paybox.lang (20 - Usage parameters) stripe.lang (28 - Usage parameters) 
InformationToFindParameters : paybox.lang (21 - Help to find your %s account information) stripe.lang (29 - Help to find your %s account information) 
VendorName : paybox.lang (23 - Name of vendor) stripe.lang (31 - Name of vendor) 
CSSUrlForPaymentForm : paybox.lang (24 - CSS style sheet url for payment form) stripe.lang (32 - CSS style sheet url for payment form) 
Stock : products.lang (51 - Stock) stocks.lang (18 - Stock) 
Stocks : products.lang (53 - Stocks and location (warehouse) of products) stocks.lang (19 - Stocks) 
Movements : products.lang (54 - Movements) stocks.lang (23 - Movements) 
Suppliers : products.lang (89 - Vendors) suppliers.lang (2 - Vendors) 
ListOfStockMovements : products.lang (96 - List of stock movements) stocks.lang (26 - List of stock movements) 
Unit : products.lang (172 - Unit) stocks.lang (41 - Unit) 
NewUser : ticket.lang (282 - New user) users.lang (29 - New user)