#!/usr/bin/env php
If you call this file with the 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/monservea/www/dolibarr-3.9.0/dev/translation//../../htdocs/langs/en_US/ - 97 found

***** Entries duplicated in same file
SupplierProposalShort : supplier_proposal.lang (4 - Supplier proposals) (13 - Supplier proposal) 

***** Entries in main and another (keep only entry in main)
Type : accountancy.lang (167 - Type of fields) main.lang (197 - Type) 

***** Entries in admin and another
InternalUser : admin.lang (36 - Internal user) users.lang (85 - Internal user) 
String : admin.lang (376 - String) members.lang (121 - String) 
Int : admin.lang (378 - Integer) members.lang (123 - Int) 
DateAndTime : admin.lang (380 - Date and hour) members.lang (124 - Date and time) 
Upgrade : admin.lang (885 - Upgrade) install.lang (106 - Upgrade) 
Server : admin.lang (903 - Server) install.lang (49 - Server) 
DatabaseServer : admin.lang (905 - Database host) install.lang (52 - Database server) 
DatabaseName : admin.lang (906 - Database name) install.lang (53 - Database name) 
DriverType : admin.lang (920 - Driver type) install.lang (48 - Driver type) 
CompanyName : admin.lang (948 - Name) companies.lang (32 - Company name) 
Miscellaneous : admin.lang (1149 - Miscellaneous) other.lang (56 - Miscellaneous) 
CreditNote : admin.lang (1181 - Credit note) bills.lang (252 - Credit note) 
CreditNotes : admin.lang (1182 - Credit notes) bills.lang (253 - Credit notes) 
WithdrawalsSetup : admin.lang (1461 - Withdrawal module setup) withdrawals.lang (29 - Withdrawal setup) 
Buy : admin.lang (1550 - Buy) products.lang (57 - Purchases) 
Sell : admin.lang (1551 - Sell) products.lang (56 - Sales) 
AccountancyCode : admin.lang (1554 - Accountancy Code) companies.lang (286 - Accountancy code) 
CashDesk : admin.lang (1571 - Point of sales) cashdesk.lang (3 - Point of sale) 
ByDefaultInList : admin.lang (1706 - Show by default on list view) categories.lang (112 - By default in list) 

***** Other
Exports : accountancy.lang (21 - Exports) members.lang (184 - Exports) 
Export : accountancy.lang (22 - Export) other.lang (231 - Export) 
NewAccount : accountancy.lang (44 - New accounting account) banks.lang (57 - New account) compta.lang (111 - New account) 
Create : accountancy.lang (45 - Create) products.lang (13 - Create) 
DescSellsJournal : accountancy.lang (112 - Sales journal) compta.lang (184 - Sales Journal) 
DescPurchasesJournal : accountancy.lang (113 - Purchases journal) compta.lang (185 - Purchases Journal) 
SupplierInvoicePayment : accountancy.lang (119 - Payment of invoice supplier) banks.lang (114 - Supplier payment) 
CustomerInvoicePayment : accountancy.lang (120 - Payment of invoice customer) banks.lang (112 - Customer payment) 
Accountparent : accountancy.lang (137 - Root of the account) compta.lang (22 - Account parent) 
Param : accountancy.lang (168 - Additionnal parameters) compta.lang (16 - Setup) 
Calendar : agenda.lang (7 - Calendar) other.lang (3 - Calendar) 
AffectedTo : agenda.lang (11 - Assigned to) projects.lang (93 - Allocated to) 
Location : agenda.lang (19 - Location) stocks.lang (28 - Location) 
PropalValidatedInDolibarr : agenda.lang (45 - Proposal %s validated) other.lang (216 - Proposal %s validated) 
InvoiceValidatedInDolibarr : agenda.lang (46 - Invoice %s validated) other.lang (218 - Invoice %s validated) 
InterventionSentByEMail : agenda.lang (64 - Intervention %s sent by EMail) interventions.lang (39 - Intervention %s sent by EMail) 
NewCompanyToDolibarr : agenda.lang (65 - Third party created) other.lang (210 - Company %s added) 
IBAN : banks.lang (35 - IBAN number) bills.lang (349 - IBAN) 
BIC : banks.lang (38 - BIC/SWIFT number) bills.lang (350 - BIC/SWIFT) 
StandingOrders : banks.lang (41 - Standing orders) bills.lang (202 - Standing orders) withdrawals.lang (4 - Standing orders) 
StandingOrder : banks.lang (42 - Standing order) bills.lang (203 - Standing order) withdrawals.lang (5 - Standing orders) 
Withdrawals : banks.lang (43 - Withdrawals) compta.lang (38 - Withdrawals) withdrawals.lang (9 - Withdrawals) 
Withdrawal : banks.lang (44 - Withdrawal) compta.lang (37 - Withdrawal) withdrawals.lang (10 - Withdrawal) 
Account : banks.lang (78 - Account) compta.lang (20 - Account) 
StartDate : banks.lang (166 - Start date) margins.lang (23 - Start date) 
EndDate : banks.lang (167 - End date) margins.lang (24 - End date) 
Payments : bills.lang (59 - Payments) compta.lang (72 - Payments) 
InvoiceRef : bills.lang (275 - Invoice ref.) compta.lang (186 - Invoice ref.) 
BankCode : bills.lang (343 - Bank code) exports.lang (123 - Bank code) 
DeskCode : bills.lang (344 - Desk code) exports.lang (124 - Desk code) 
BankAccountNumber : bills.lang (345 - Account number) exports.lang (125 - Account number) 
BankAccountNumberKey : bills.lang (346 - Key) exports.lang (126 - Key) 
Progress : bills.lang (431 - Progress) projects.lang (69 - Progress) 
NoSupplierOrder : boxes.lang (85 - No recorded supplier order) orders.lang (87 - No supplier order) 
ShowCompany : cashdesk.lang (36 - Show company) companies.lang (309 - Show thirdparty) 
DeletePicture : categories.lang (104 - Picture delete) products.lang (148 - Delete a picture) 
ConfirmDeletePicture : categories.lang (105 - Confirm picture deletion?) products.lang (149 - Are you sure you want to delete this picture ?) 
CommercialCard : commercial.lang (4 - Commercial card) products.lang (114 - Commercial card) 
Customer : commercial.lang (6 - Customer) companies.lang (255 - Customer) 
Prospect : commercial.lang (8 - Prospect) companies.lang (253 - Prospect) propal.lang (15 - Prospect) 
Capital : companies.lang (326 - Capital) loan.lang (8 - Capital) 
NbOfAttachedFiles : companies.lang (375 - Number of attached files) other.lang (51 - Number of attached files/documents) 
AttachANewFile : companies.lang (376 - Attach a new file) other.lang (54 - Attach a new file/document) 
ContractStatus : contracts.lang (7 - Contract status) products.lang (86 - Contract status) 
ContractStatusRunning : contracts.lang (9 - Running) products.lang (88 - Ongoing) 
ContractStatusClosed : contracts.lang (12 - Closed) products.lang (87 - Closed) 
ErrorQtyTooLowForThisSupplier : errors.lang (87 - Quantity too low for this supplier or no price defined on this product for this supplier) suppliers.lang (19 - Quantity too low for this supplier or no price defined on this product for this supplier) 
ExportsArea : exports.lang (2 - Exports area) other.lang (232 - Exports area) 
NewExport : exports.lang (4 - New export) other.lang (239 - New export) 
ExportableDatas : exports.lang (6 - Exportable dataset) other.lang (236 - Exportable data) 
AvailableFormats : exports.lang (34 - Available formats) other.lang (233 - Available formats) 
LibraryUsed : exports.lang (36 - Library used) other.lang (234 - Librairy used) 
LibraryVersion : exports.lang (37 - Version) other.lang (235 - Version) 
ClickHere : help.lang (7 - Click here) other.lang (189 - Click here) 
CreateUser : install.lang (59 - Create owner) users.lang (38 - Create user) 
ConfirmResetMailing : mails.lang (53 - Warning, by reinitializing emailing <b>%s</b>, you allow to make a mass sending of this email another time. Are you sure you this is what you want to do ?) sms.lang (42 - Warning, if you make a reinit of Sms campain <b>%s</b>, you will allow to make a mass sending of it a second time. Is it really what you wan to do ?) 
ConfirmDeleteMailing : mails.lang (54 - Are you sure you want to delete this emailling ?) sms.lang (43 - Do you confirm removing of campain ?) 
NbOfRecipients : mails.lang (55 - Number of recipients) sms.lang (44 - Number of targets) 
DateSending : mails.lang (73 - Date sending) sendings.lang (29 - Shipping date) 
Nature : members.lang (182 - Nature) products.lang (201 - Nature) 
OrderDate : orders.lang (10 - Order date) suppliers.lang (11 - Order date) 
ClassifyBilled : orders.lang (111 - Classify billed) propal.lang (67 - Classify billed) 
QtyOrdered : orders.lang (161 - Qty ordered) sendings.lang (23 - Qty ordered) 
Warehouse : products.lang (48 - Warehouse) stocks.lang (3 - Warehouse) 
Warehouses : products.lang (49 - Warehouses) stocks.lang (4 - Warehouses) 
WarehouseOpened : products.lang (50 - Warehouse open) stocks.lang (8 - Warehouse open) 
WarehouseClosed : products.lang (51 - Warehouse closed) stocks.lang (9 - Warehouse closed) 
Stock : products.lang (52 - Stock) stocks.lang (17 - Stock) 
Stocks : products.lang (53 - Stocks) stocks.lang (18 - Stocks) 
Movement : products.lang (54 - Movement) stocks.lang (20 - Movement) 
Movements : products.lang (55 - Movements) stocks.lang (21 - Movements) 
Suppliers : products.lang (97 - Suppliers) suppliers.lang (2 - Suppliers) 
CorrectStock : products.lang (108 - Correct stock) stocks.lang (24 - Correct stock) 
ListOfStockMovements : products.lang (109 - List of stock movements) stocks.lang (26 - List of stock movements) 
BuyingPrice : products.lang (110 - Buying price) suppliers.lang (12 - Buying price) 
Unit : products.lang (203 - Unit) stocks.lang (35 - Unit)