diff --git a/po/de.po b/po/de.po
index c508025..4b2a37c 100644
--- a/po/de.po
+++ b/po/de.po
@@ -1,7 +1,7 @@
 msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: https://codeberg.org/a-j-wood/pv/issues\n"
-"POT-Creation-Date: 2023-08-28 18:16+0100\n"
+"POT-Creation-Date: 2023-08-30 22:28+0100\n"
 "Language: de\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Date: 1999-06-01 15:18:29+0100\n"
@@ -186,54 +186,58 @@ msgid "use direct I/O to bypass cache"
 msgstr ""
 
 #: src/main/help.c:381
+msgid "discard input instead of writing to output"
+msgstr ""
+
+#: src/main/help.c:384
 msgid "PID"
 msgstr ""
 
-#: src/main/help.c:382
+#: src/main/help.c:385
 msgid "update settings of process PID"
 msgstr "Einstellungen der Prozess-PID updaten"
 
-#: src/main/help.c:386 src/main/help.c:401
+#: src/main/help.c:389 src/main/help.c:404
 msgid "FILE"
 msgstr ""
 
-#: src/main/help.c:387
+#: src/main/help.c:390
 msgid "save process ID in FILE"
 msgstr "Prozess-ID in FILE speichern"
 
-#: src/main/help.c:390
+#: src/main/help.c:393
 msgid "PID[:FD]"
 msgstr ""
 
-#: src/main/help.c:391
+#: src/main/help.c:394
 msgid "watch file FD opened by process PID"
 msgstr "die vom Prozess PID geöffnete Datei FD beobachten"
 
-#: src/main/help.c:395
+#: src/main/help.c:398
 msgid "show this help and exit"
 msgstr "zeige diese Hilfe und beende"
 
-#: src/main/help.c:398
+#: src/main/help.c:401
 msgid "show version information and exit"
 msgstr "zeige Versionsinformationen und beende"
 
-#: src/main/help.c:402
+#: src/main/help.c:405
 msgid "write debug logs to FILE"
 msgstr ""
 
-#: src/main/help.c:427
+#: src/main/help.c:430
 #, c-format
 msgid "Usage: %s [OPTION] [FILE]..."
 msgstr "Syntax: %s [OPTION] [DATEI]..."
 
-#: src/main/help.c:438
+#: src/main/help.c:441
 msgid ""
 "Concatenate FILE(s), or standard input, to standard output, with monitoring."
 msgstr ""
 "Verbindet DATEI(en) oder den Standard-Eingabe-Kanal mit dem Standard-Ausgabe-"
 "Kanal und misst den Datenstrom."
 
-#: src/main/help.c:575
+#: src/main/help.c:578
 #, c-format
 msgid "Please report any bugs to %s."
 msgstr "Bitte senden Sie Fehlerberichte an %s."
@@ -242,49 +246,49 @@ msgstr "Bitte senden Sie Fehlerberichte an %s."
 msgid "state allocation failed"
 msgstr "Zustandszuweisung fehlgeschlagen"
 
-#: src/main/main.c:321
+#: src/main/main.c:322
 msgid "failed to read terminal attributes"
 msgstr ""
 
-#: src/main/options.c:206
+#: src/main/options.c:207
 msgid "option structure allocation failed"
 msgstr "`option' konnte nicht allokiert werden"
 
-#: src/main/options.c:225
+#: src/main/options.c:226
 msgid "option structure argv allocation failed"
 msgstr "`option' (argv) konnte nicht allokiert werden"
 
-#: src/main/options.c:282
+#: src/main/options.c:286
 msgid "integer argument expected"
 msgstr "Ganzzahliges Argument erwartet"
 
-#: src/main/options.c:293
+#: src/main/options.c:297
 msgid "numeric argument expected"
 msgstr "numerisches Argument erwartet"
 
-#: src/main/options.c:304
+#: src/main/options.c:308
 msgid "process ID or pid:fd pair expected"
 msgstr "Prozess-ID oder PID:FD-Paar erwartet"
 
-#: src/main/options.c:311
+#: src/main/options.c:315
 msgid "invalid process ID"
 msgstr "ungültige Prozess-ID"
 
-#: src/main/options.c:412 src/pv/file.c:282
+#: src/main/options.c:416 src/pv/file.c:282
 msgid "failed to stat file"
 msgstr "Dateiinformationen konnten nicht gelesen werden"
 
-#: src/main/options.c:504
+#: src/main/options.c:514
 #, c-format
 msgid "Try `%s --help' for more information."
 msgstr "`%s --help' zeigt weitere Informationen an."
 
-#: src/main/options.c:506
+#: src/main/options.c:516
 #, c-format
 msgid "Try `%s -h' for more information."
 msgstr "`%s -h' zeigt weitere Informationen an."
 
-#: src/main/options.c:537
+#: src/main/options.c:547
 msgid ""
 "cannot use line mode or transfer modifier options when watching file "
 "descriptors"
@@ -292,31 +296,31 @@ msgstr ""
 "Beim Anzeigen von Dateideskriptoren können keine Optionen für den "
 "Zeilenmodus oder den Übertragungsmodifikator verwendet werden"
 
-#: src/main/options.c:546
+#: src/main/options.c:556
 msgid "cannot use cursor positioning when watching file descriptors"
 msgstr ""
 "Beim Anzeigen von Dateideskriptoren können keine Zeilenmodus- oder "
 "Übertragungsmodifikatoroptionen verwendet werden."
 
-#: src/main/options.c:555
+#: src/main/options.c:565
 msgid "cannot use remote control when watching file descriptors"
 msgstr ""
 "kann keine Fernbedienung verwenden, wenn Dateideskriptoren angezeigt werden"
 
-#: src/main/options.c:564
+#: src/main/options.c:574
 msgid "cannot transfer files when watching file descriptors"
 msgstr ""
 "Dateien können beim Betrachten von Dateideskriptoren nicht übertragen werden"
 
-#: src/main/options.c:579
+#: src/main/options.c:589
 msgid "not available on systems without /proc/self/fdinfo"
 msgstr "Nicht verfügbar auf Systemen ohne /proc/self/fdinfo"
 
-#: src/main/remote.c:238
+#: src/main/remote.c:242
 msgid "message not received"
 msgstr "Nachricht nicht empfangen"
 
-#: src/main/remote.c:347
+#: src/main/remote.c:351
 msgid "IPC not supported on this system"
 msgstr "IPC wird auf diesem System nicht unterstützt"
 
@@ -360,7 +364,7 @@ msgstr ""
 msgid "yzafpnum KMGTPEZY"
 msgstr ""
 
-#: src/pv/display.c:600 src/pv/transfer.c:743
+#: src/pv/display.c:600 src/pv/transfer.c:751
 msgid "buffer allocation failed"
 msgstr "Puffer konnte nicht allokiert werden"
 
@@ -368,7 +372,7 @@ msgstr "Puffer konnte nicht allokiert werden"
 msgid "b"
 msgstr ""
 
-#: src/pv/display.c:666 src/pv/transfer.c:468
+#: src/pv/display.c:666 src/pv/transfer.c:472
 msgid "B"
 msgstr "B"
 
@@ -408,7 +412,7 @@ msgstr "Dateiinformationen für Ausgabe-Datei konnten nicht gelesen werden"
 msgid "input file is output file"
 msgstr "Eingabe-Datei ist Ausgabe-Datei"
 
-#: src/pv/loop.c:523 src/pv/loop.c:575 src/pv/loop.c:619 src/pv/watchpid.c:73
+#: src/pv/loop.c:522 src/pv/loop.c:572 src/pv/loop.c:617 src/pv/watchpid.c:73
 #: src/pv/watchpid.c:83 src/pv/watchpid.c:94 src/pv/watchpid.c:102
 #: src/pv/watchpid.c:139 src/pv/watchpid.c:150 src/pv/watchpid.c:158
 #: src/pv/watchpid.c:169 src/pv/watchpid.c:253 src/pv/watchpid.c:261
@@ -424,31 +428,31 @@ msgstr ""
 msgid "none"
 msgstr ""
 
-#: src/pv/transfer.c:366
+#: src/pv/transfer.c:370
 msgid "read failed"
 msgstr "read-Aufruf fehlgeschlagen"
 
-#: src/pv/transfer.c:381
+#: src/pv/transfer.c:385
 msgid "warning: read errors detected"
 msgstr "warnung: lesefehler erkannt"
 
-#: src/pv/transfer.c:393
+#: src/pv/transfer.c:397
 msgid "file is not seekable"
 msgstr "datei ist nicht durchsuchbar"
 
-#: src/pv/transfer.c:452
+#: src/pv/transfer.c:456
 msgid "failed to seek past error"
 msgstr "konnte den Fehler nicht überwinden"
 
-#: src/pv/transfer.c:468
+#: src/pv/transfer.c:472
 msgid "skipped past read error"
 msgstr "über den Lesefehler hinaus verschoben"
 
-#: src/pv/transfer.c:624
+#: src/pv/transfer.c:632
 msgid "write failed"
 msgstr "write-Aufruf fehlgeschlagen"
 
-#: src/pv/transfer.c:840
+#: src/pv/transfer.c:848
 msgid "select call failed"
 msgstr "select-Aufruf fehlgeschlagen"
 
diff --git a/po/fr.po b/po/fr.po
index 49e35a0..7e35d18 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -1,7 +1,7 @@
 msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: https://codeberg.org/a-j-wood/pv/issues\n"
-"POT-Creation-Date: 2023-08-28 18:16+0100\n"
+"POT-Creation-Date: 2023-08-30 22:28+0100\n"
 "Language: fr\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Date: 1999-06-01 15:18:29+0100\n"
@@ -185,54 +185,58 @@ msgid "use direct I/O to bypass cache"
 msgstr ""
 
 #: src/main/help.c:381
+msgid "discard input instead of writing to output"
+msgstr ""
+
+#: src/main/help.c:384
 msgid "PID"
 msgstr "PID"
 
-#: src/main/help.c:382
+#: src/main/help.c:385
 msgid "update settings of process PID"
 msgstr "mettre-à-jour la configuration du processus PID"
 
-#: src/main/help.c:386 src/main/help.c:401
+#: src/main/help.c:389 src/main/help.c:404
 msgid "FILE"
 msgstr ""
 
-#: src/main/help.c:387
+#: src/main/help.c:390
 msgid "save process ID in FILE"
 msgstr "enregistrer l'ID de processus dans FILE"
 
-#: src/main/help.c:390
+#: src/main/help.c:393
 msgid "PID[:FD]"
 msgstr ""
 
-#: src/main/help.c:391
+#: src/main/help.c:394
 msgid "watch file FD opened by process PID"
 msgstr "regarder le fichier FD ouvert par le processus PID"
 
-#: src/main/help.c:395
+#: src/main/help.c:398
 msgid "show this help and exit"
 msgstr "afficher cette aide puis quitter"
 
-#: src/main/help.c:398
+#: src/main/help.c:401
 msgid "show version information and exit"
 msgstr "afficher la version puis quitter"
 
-#: src/main/help.c:402
+#: src/main/help.c:405
 msgid "write debug logs to FILE"
 msgstr ""
 
-#: src/main/help.c:427
+#: src/main/help.c:430
 #, c-format
 msgid "Usage: %s [OPTION] [FILE]..."
 msgstr "Utilisation : %s [OPTIONS] [FICHIER]..."
 
-#: src/main/help.c:438
+#: src/main/help.c:441
 msgid ""
 "Concatenate FILE(s), or standard input, to standard output, with monitoring."
 msgstr ""
 "Concatène FICHIER(s), ou l'entrée standard, sur la sortie standard avec "
 "monitorage."
 
-#: src/main/help.c:575
+#: src/main/help.c:578
 #, c-format
 msgid "Please report any bugs to %s."
 msgstr "SVP rapporter touts bogues à %s."
@@ -241,49 +245,49 @@ msgstr "SVP rapporter touts bogues à %s."
 msgid "state allocation failed"
 msgstr "échec de l'allocation de mémoire de condition"
 
-#: src/main/main.c:321
+#: src/main/main.c:322
 msgid "failed to read terminal attributes"
 msgstr ""
 
-#: src/main/options.c:206
+#: src/main/options.c:207
 msgid "option structure allocation failed"
 msgstr "l'allocation pour la structure d'une option a echoué"
 
-#: src/main/options.c:225
+#: src/main/options.c:226
 msgid "option structure argv allocation failed"
 msgstr "l'allocation pour la structure de l'option argv a echoué"
 
-#: src/main/options.c:282
+#: src/main/options.c:286
 msgid "integer argument expected"
 msgstr "Valeur entière attendue"
 
-#: src/main/options.c:293
+#: src/main/options.c:297
 msgid "numeric argument expected"
 msgstr "Valeur numérique attendue"
 
-#: src/main/options.c:304
+#: src/main/options.c:308
 msgid "process ID or pid:fd pair expected"
 msgstr "ID de processus ou paire pid:fd attendue"
 
-#: src/main/options.c:311
+#: src/main/options.c:315
 msgid "invalid process ID"
 msgstr "ID de processus non valide"
 
-#: src/main/options.c:412 src/pv/file.c:282
+#: src/main/options.c:416 src/pv/file.c:282
 msgid "failed to stat file"
 msgstr "échec à statuer sur le fichier"
 
-#: src/main/options.c:504
+#: src/main/options.c:514
 #, c-format
 msgid "Try `%s --help' for more information."
 msgstr "Essayez `%s --help' pour plus d'information."
 
-#: src/main/options.c:506
+#: src/main/options.c:516
 #, c-format
 msgid "Try `%s -h' for more information."
 msgstr "Essayez `%s -h' pour plus d'information."
 
-#: src/main/options.c:537
+#: src/main/options.c:547
 msgid ""
 "cannot use line mode or transfer modifier options when watching file "
 "descriptors"
@@ -291,33 +295,33 @@ msgstr ""
 "impossible d'utiliser le mode ligne ou les options de modificateur de "
 "transfert lors de la visualisation des descripteurs de fichiers"
 
-#: src/main/options.c:546
+#: src/main/options.c:556
 msgid "cannot use cursor positioning when watching file descriptors"
 msgstr ""
 "impossible d'utiliser le positionnement du curseur lors de la visualisation "
 "des descripteurs de fichier"
 
-#: src/main/options.c:555
+#: src/main/options.c:565
 msgid "cannot use remote control when watching file descriptors"
 msgstr ""
 "impossible d'utiliser la télécommande lors de la visualisation des "
 "descripteurs de fichiers"
 
-#: src/main/options.c:564
+#: src/main/options.c:574
 msgid "cannot transfer files when watching file descriptors"
 msgstr ""
 "impossible de transférer des fichiers lorsque vous regardez des descripteurs "
 "de fichiers"
 
-#: src/main/options.c:579
+#: src/main/options.c:589
 msgid "not available on systems without /proc/self/fdinfo"
 msgstr "non disponible sur les systèmes sans /proc/self/fdinfo"
 
-#: src/main/remote.c:238
+#: src/main/remote.c:242
 msgid "message not received"
 msgstr "message non reçu"
 
-#: src/main/remote.c:347
+#: src/main/remote.c:351
 msgid "IPC not supported on this system"
 msgstr "IPC non pris en charge sur ce système"
 
@@ -361,7 +365,7 @@ msgstr ""
 msgid "yzafpnum KMGTPEZY"
 msgstr ""
 
-#: src/pv/display.c:600 src/pv/transfer.c:743
+#: src/pv/display.c:600 src/pv/transfer.c:751
 msgid "buffer allocation failed"
 msgstr "l'allocation de mémoire tampon a échoué"
 
@@ -369,7 +373,7 @@ msgstr "l'allocation de mémoire tampon a échoué"
 msgid "b"
 msgstr ""
 
-#: src/pv/display.c:666 src/pv/transfer.c:468
+#: src/pv/display.c:666 src/pv/transfer.c:472
 msgid "B"
 msgstr "O"
 
@@ -409,7 +413,7 @@ msgstr "échec à statuer sur le fichier de sortie"
 msgid "input file is output file"
 msgstr "fichiers d'entré et de sortie sont les mêmes"
 
-#: src/pv/loop.c:523 src/pv/loop.c:575 src/pv/loop.c:619 src/pv/watchpid.c:73
+#: src/pv/loop.c:522 src/pv/loop.c:572 src/pv/loop.c:617 src/pv/watchpid.c:73
 #: src/pv/watchpid.c:83 src/pv/watchpid.c:94 src/pv/watchpid.c:102
 #: src/pv/watchpid.c:139 src/pv/watchpid.c:150 src/pv/watchpid.c:158
 #: src/pv/watchpid.c:169 src/pv/watchpid.c:253 src/pv/watchpid.c:261
@@ -425,31 +429,31 @@ msgstr ""
 msgid "none"
 msgstr ""
 
-#: src/pv/transfer.c:366
+#: src/pv/transfer.c:370
 msgid "read failed"
 msgstr "la lecture a échoué"
 
-#: src/pv/transfer.c:381
+#: src/pv/transfer.c:385
 msgid "warning: read errors detected"
 msgstr "avertissement: erreurs de lecture détectées"
 
-#: src/pv/transfer.c:393
+#: src/pv/transfer.c:397
 msgid "file is not seekable"
 msgstr "ne peut pas se déplacer dans le fichier"
 
-#: src/pv/transfer.c:452
+#: src/pv/transfer.c:456
 msgid "failed to seek past error"
 msgstr "n'a pas réussi à dépasser l'erreur"
 
-#: src/pv/transfer.c:468
+#: src/pv/transfer.c:472
 msgid "skipped past read error"
 msgstr "erreur de lecture dépassée"
 
-#: src/pv/transfer.c:624
+#: src/pv/transfer.c:632
 msgid "write failed"
 msgstr "l'écriture a échoué"
 
-#: src/pv/transfer.c:840
+#: src/pv/transfer.c:848
 msgid "select call failed"
 msgstr "appel de sélection a échoué"
 
diff --git a/po/pl.po b/po/pl.po
index b707c26..cc8c68c 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://codeberg.org/a-j-wood/pv/issues\n"
-"POT-Creation-Date: 2023-08-28 18:16+0100\n"
+"POT-Creation-Date: 2023-08-30 22:28+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -180,54 +180,58 @@ msgid "use direct I/O to bypass cache"
 msgstr ""
 
 #: src/main/help.c:381
+msgid "discard input instead of writing to output"
+msgstr ""
+
+#: src/main/help.c:384
 msgid "PID"
 msgstr ""
 
-#: src/main/help.c:382
+#: src/main/help.c:385
 msgid "update settings of process PID"
 msgstr ""
 
-#: src/main/help.c:386 src/main/help.c:401
+#: src/main/help.c:389 src/main/help.c:404
 msgid "FILE"
 msgstr ""
 
-#: src/main/help.c:387
+#: src/main/help.c:390
 msgid "save process ID in FILE"
 msgstr ""
 
-#: src/main/help.c:390
+#: src/main/help.c:393
 msgid "PID[:FD]"
 msgstr ""
 
-#: src/main/help.c:391
+#: src/main/help.c:394
 msgid "watch file FD opened by process PID"
 msgstr ""
 
-#: src/main/help.c:395
+#: src/main/help.c:398
 msgid "show this help and exit"
 msgstr "wyświetl te informacje z pomocą i wyjdź"
 
-#: src/main/help.c:398
+#: src/main/help.c:401
 msgid "show version information and exit"
 msgstr "wyświetl informacje o wersji i wyjdź"
 
-#: src/main/help.c:402
+#: src/main/help.c:405
 msgid "write debug logs to FILE"
 msgstr ""
 
-#: src/main/help.c:427
+#: src/main/help.c:430
 #, c-format
 msgid "Usage: %s [OPTION] [FILE]..."
 msgstr "Sposób użycia: %s [OPCJA] [PLIK]..."
 
-#: src/main/help.c:438
+#: src/main/help.c:441
 msgid ""
 "Concatenate FILE(s), or standard input, to standard output, with monitoring."
 msgstr ""
 "Łączenie PLIK(ów) lub wejścia standardowego, do wyjścia standardowego z "
 "monitoringiem."
 
-#: src/main/help.c:575
+#: src/main/help.c:578
 #, c-format
 msgid "Please report any bugs to %s."
 msgstr "Proszę przesyłać zgłoszenia błędów do %s."
@@ -236,75 +240,75 @@ msgstr "Proszę przesyłać zgłoszenia błędów do %s."
 msgid "state allocation failed"
 msgstr ""
 
-#: src/main/main.c:321
+#: src/main/main.c:322
 msgid "failed to read terminal attributes"
 msgstr ""
 
-#: src/main/options.c:206
+#: src/main/options.c:207
 msgid "option structure allocation failed"
 msgstr "nie udało się zaalokować struktur opcji"
 
-#: src/main/options.c:225
+#: src/main/options.c:226
 msgid "option structure argv allocation failed"
 msgstr "nie udało się zaalokować struktur opcji argv"
 
-#: src/main/options.c:282
+#: src/main/options.c:286
 msgid "integer argument expected"
 msgstr ""
 
-#: src/main/options.c:293
+#: src/main/options.c:297
 msgid "numeric argument expected"
 msgstr ""
 
-#: src/main/options.c:304
+#: src/main/options.c:308
 msgid "process ID or pid:fd pair expected"
 msgstr ""
 
-#: src/main/options.c:311
+#: src/main/options.c:315
 msgid "invalid process ID"
 msgstr ""
 
-#: src/main/options.c:412 src/pv/file.c:282
+#: src/main/options.c:416 src/pv/file.c:282
 msgid "failed to stat file"
 msgstr "nie udało się wykonać operacji stat na pliku"
 
-#: src/main/options.c:504
+#: src/main/options.c:514
 #, c-format
 msgid "Try `%s --help' for more information."
 msgstr "Spróbuj `%s --help' by uzyskać więcej informacji"
 
-#: src/main/options.c:506
+#: src/main/options.c:516
 #, c-format
 msgid "Try `%s -h' for more information."
 msgstr "Spróbuj `%s -h' by uzyskać więcej informacji"
 
-#: src/main/options.c:537
+#: src/main/options.c:547
 msgid ""
 "cannot use line mode or transfer modifier options when watching file "
 "descriptors"
 msgstr ""
 
-#: src/main/options.c:546
+#: src/main/options.c:556
 msgid "cannot use cursor positioning when watching file descriptors"
 msgstr ""
 
-#: src/main/options.c:555
+#: src/main/options.c:565
 msgid "cannot use remote control when watching file descriptors"
 msgstr ""
 
-#: src/main/options.c:564
+#: src/main/options.c:574
 msgid "cannot transfer files when watching file descriptors"
 msgstr ""
 
-#: src/main/options.c:579
+#: src/main/options.c:589
 msgid "not available on systems without /proc/self/fdinfo"
 msgstr ""
 
-#: src/main/remote.c:238
+#: src/main/remote.c:242
 msgid "message not received"
 msgstr ""
 
-#: src/main/remote.c:347
+#: src/main/remote.c:351
 msgid "IPC not supported on this system"
 msgstr ""
 
@@ -349,7 +353,7 @@ msgstr ""
 msgid "yzafpnum KMGTPEZY"
 msgstr ""
 
-#: src/pv/display.c:600 src/pv/transfer.c:743
+#: src/pv/display.c:600 src/pv/transfer.c:751
 msgid "buffer allocation failed"
 msgstr "nie udało się zaalokować bufora"
 
@@ -357,7 +361,7 @@ msgstr "nie udało się zaalokować bufora"
 msgid "b"
 msgstr ""
 
-#: src/pv/display.c:666 src/pv/transfer.c:468
+#: src/pv/display.c:666 src/pv/transfer.c:472
 msgid "B"
 msgstr "B"
 
@@ -398,7 +402,7 @@ msgstr "nie udało się wykonać operacji stat na pliku wyjściowym"
 msgid "input file is output file"
 msgstr "plik wejściowy jest zarazem plikiem wyjściowym"
 
-#: src/pv/loop.c:523 src/pv/loop.c:575 src/pv/loop.c:619 src/pv/watchpid.c:73
+#: src/pv/loop.c:522 src/pv/loop.c:572 src/pv/loop.c:617 src/pv/watchpid.c:73
 #: src/pv/watchpid.c:83 src/pv/watchpid.c:94 src/pv/watchpid.c:102
 #: src/pv/watchpid.c:139 src/pv/watchpid.c:150 src/pv/watchpid.c:158
 #: src/pv/watchpid.c:169 src/pv/watchpid.c:253 src/pv/watchpid.c:261
@@ -414,31 +418,31 @@ msgstr ""
 msgid "none"
 msgstr ""
 
-#: src/pv/transfer.c:366
+#: src/pv/transfer.c:370
 msgid "read failed"
 msgstr "błąd odczytu"
 
-#: src/pv/transfer.c:381
+#: src/pv/transfer.c:385
 msgid "warning: read errors detected"
 msgstr ""
 
-#: src/pv/transfer.c:393
+#: src/pv/transfer.c:397
 msgid "file is not seekable"
 msgstr ""
 
-#: src/pv/transfer.c:452
+#: src/pv/transfer.c:456
 msgid "failed to seek past error"
 msgstr ""
 
-#: src/pv/transfer.c:468
+#: src/pv/transfer.c:472
 msgid "skipped past read error"
 msgstr ""
 
-#: src/pv/transfer.c:624
+#: src/pv/transfer.c:632
 msgid "write failed"
 msgstr "błąd zapisu"
 
-#: src/pv/transfer.c:840
+#: src/pv/transfer.c:848
 msgid "select call failed"
 msgstr "nie udało się wywołać funkcji select"
 
diff --git a/po/pt.po b/po/pt.po
index d34adfb..71e01d5 100644
--- a/po/pt.po
+++ b/po/pt.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://codeberg.org/a-j-wood/pv/issues\n"
-"POT-Creation-Date: 2023-08-28 18:16+0100\n"
+"POT-Creation-Date: 2023-08-30 22:28+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -180,54 +180,58 @@ msgid "use direct I/O to bypass cache"
 msgstr ""
 
 #: src/main/help.c:381
+msgid "discard input instead of writing to output"
+msgstr ""
+
+#: src/main/help.c:384
 msgid "PID"
 msgstr ""
 
-#: src/main/help.c:382
+#: src/main/help.c:385
 msgid "update settings of process PID"
 msgstr "atualizar as configurações do processo PID"
 
-#: src/main/help.c:386 src/main/help.c:401
+#: src/main/help.c:389 src/main/help.c:404
 msgid "FILE"
 msgstr ""
 
-#: src/main/help.c:387
+#: src/main/help.c:390
 msgid "save process ID in FILE"
 msgstr "salvar ID do processo em FILE"
 
-#: src/main/help.c:390
+#: src/main/help.c:393
 msgid "PID[:FD]"
 msgstr ""
 
-#: src/main/help.c:391
+#: src/main/help.c:394
 msgid "watch file FD opened by process PID"
 msgstr "assistir arquivo FD aberto pelo processo PID"
 
-#: src/main/help.c:395
+#: src/main/help.c:398
 msgid "show this help and exit"
 msgstr "exibe esta tela de ajuda e termina"
 
-#: src/main/help.c:398
+#: src/main/help.c:401
 msgid "show version information and exit"
 msgstr "exibe a versão e termina"
 
-#: src/main/help.c:402
+#: src/main/help.c:405
 msgid "write debug logs to FILE"
 msgstr ""
 
-#: src/main/help.c:427
+#: src/main/help.c:430
 #, c-format
 msgid "Usage: %s [OPTION] [FILE]..."
 msgstr "Uso: %s [OPÇÕES] [ARQUIVOS]..."
 
-#: src/main/help.c:438
+#: src/main/help.c:441
 msgid ""
 "Concatenate FILE(s), or standard input, to standard output, with monitoring."
 msgstr ""
 "Concatena ARQUIVO(s) ou a entrada padrão e grava na saída padrão, com "
 "monitoramento."
 
-#: src/main/help.c:575
+#: src/main/help.c:578
 #, c-format
 msgid "Please report any bugs to %s."
 msgstr "Por favor, reporte quaisquer defeitos para %s."
@@ -236,49 +240,49 @@ msgstr "Por favor, reporte quaisquer defeitos para %s."
 msgid "state allocation failed"
 msgstr "alocação de memória de status falhou"
 
-#: src/main/main.c:321
+#: src/main/main.c:322
 msgid "failed to read terminal attributes"
 msgstr ""
 
-#: src/main/options.c:206
+#: src/main/options.c:207
 msgid "option structure allocation failed"
 msgstr "erro na alocação da estrutura de opções"
 
-#: src/main/options.c:225
+#: src/main/options.c:226
 msgid "option structure argv allocation failed"
 msgstr "erro na alocação da estrutura de opções argv"
 
-#: src/main/options.c:282
+#: src/main/options.c:286
 msgid "integer argument expected"
 msgstr "argumento inteiro esperado"
 
-#: src/main/options.c:293
+#: src/main/options.c:297
 msgid "numeric argument expected"
 msgstr "argumento numérico esperado"
 
-#: src/main/options.c:304
+#: src/main/options.c:308
 msgid "process ID or pid:fd pair expected"
 msgstr "ID do processo ou par pid:fd esperado"
 
-#: src/main/options.c:311
+#: src/main/options.c:315
 msgid "invalid process ID"
 msgstr "ID de processo inválido"
 
-#: src/main/options.c:412 src/pv/file.c:282
+#: src/main/options.c:416 src/pv/file.c:282
 msgid "failed to stat file"
 msgstr "erro obtendo informações do arquivo"
 
-#: src/main/options.c:504
+#: src/main/options.c:514
 #, c-format
 msgid "Try `%s --help' for more information."
 msgstr "Tente `%s --help' para maiores informações."
 
-#: src/main/options.c:506
+#: src/main/options.c:516
 #, c-format
 msgid "Try `%s -h' for more information."
 msgstr "Tente `%s -h' para maiores informações."
 
-#: src/main/options.c:537
+#: src/main/options.c:547
 msgid ""
 "cannot use line mode or transfer modifier options when watching file "
 "descriptors"
@@ -286,29 +290,29 @@ msgstr ""
 "não pode usar o modo de linha ou opções de modificador de transferência ao "
 "assistir os descritores de arquivo"
 
-#: src/main/options.c:546
+#: src/main/options.c:556
 msgid "cannot use cursor positioning when watching file descriptors"
 msgstr ""
 "não pode usar o posicionamento do cursor ao observar os descritores de "
 "arquivo"
 
-#: src/main/options.c:555
+#: src/main/options.c:565
 msgid "cannot use remote control when watching file descriptors"
 msgstr "não pode usar o controle remoto ao assistir os descritores de arquivo"
 
-#: src/main/options.c:564
+#: src/main/options.c:574
 msgid "cannot transfer files when watching file descriptors"
 msgstr "não pode transferir arquivos ao assistir descritores de arquivo"
 
-#: src/main/options.c:579
+#: src/main/options.c:589
 msgid "not available on systems without /proc/self/fdinfo"
 msgstr "não disponível em sistemas sem /proc/self/fdinfo"
 
-#: src/main/remote.c:238
+#: src/main/remote.c:242
 msgid "message not received"
 msgstr "mensagem não recebida"
 
-#: src/main/remote.c:347
+#: src/main/remote.c:351
 msgid "IPC not supported on this system"
 msgstr "IPC não suportado neste sistema"
 
@@ -352,7 +356,7 @@ msgstr ""
 msgid "yzafpnum KMGTPEZY"
 msgstr ""
 
-#: src/pv/display.c:600 src/pv/transfer.c:743
+#: src/pv/display.c:600 src/pv/transfer.c:751
 msgid "buffer allocation failed"
 msgstr "erro alocando o buffer"
 
@@ -360,7 +364,7 @@ msgstr "erro alocando o buffer"
 msgid "b"
 msgstr ""
 
-#: src/pv/display.c:666 src/pv/transfer.c:468
+#: src/pv/display.c:666 src/pv/transfer.c:472
 msgid "B"
 msgstr ""
 
@@ -400,7 +404,7 @@ msgstr "erro obtendo informações do arquivo de saída"
 msgid "input file is output file"
 msgstr "os arquivos de entrada e saída são o mesmo"
 
-#: src/pv/loop.c:523 src/pv/loop.c:575 src/pv/loop.c:619 src/pv/watchpid.c:73
+#: src/pv/loop.c:522 src/pv/loop.c:572 src/pv/loop.c:617 src/pv/watchpid.c:73
 #: src/pv/watchpid.c:83 src/pv/watchpid.c:94 src/pv/watchpid.c:102
 #: src/pv/watchpid.c:139 src/pv/watchpid.c:150 src/pv/watchpid.c:158
 #: src/pv/watchpid.c:169 src/pv/watchpid.c:253 src/pv/watchpid.c:261
@@ -416,31 +420,31 @@ msgstr ""
 msgid "none"
 msgstr ""
 
-#: src/pv/transfer.c:366
+#: src/pv/transfer.c:370
 msgid "read failed"
 msgstr "erro de leitura"
 
-#: src/pv/transfer.c:381
+#: src/pv/transfer.c:385
 msgid "warning: read errors detected"
 msgstr "aviso: erros de leitura detectados"
 
-#: src/pv/transfer.c:393
+#: src/pv/transfer.c:397
 msgid "file is not seekable"
 msgstr "não pode mover dentro do arquivo"
 
-#: src/pv/transfer.c:452
+#: src/pv/transfer.c:456
 msgid "failed to seek past error"
 msgstr "não pode ir além do erro"
 
-#: src/pv/transfer.c:468
+#: src/pv/transfer.c:472
 msgid "skipped past read error"
 msgstr "ignorado erro de leitura"
 
-#: src/pv/transfer.c:624
+#: src/pv/transfer.c:632
 msgid "write failed"
 msgstr "erro de gravação"
 
-#: src/pv/transfer.c:840
+#: src/pv/transfer.c:848
 msgid "select call failed"
 msgstr "erro na chamada da função select"