Add -pwfile option, a more secure version of -pw.

Similarly to cmdgen's passphrase options, this replaces the password
on the command line with a filename to read the password out of, which
means it can't show up in 'ps' or the Windows task manager.

1 files changed, 1 insertions, 1 deletions

diff --git a/psftp.c b/psftp.c
index 993a3e35..4dc60dc1 100644
--- a/psftp.c
+++ b/psftp.c
@@ -2535,7 +2535,7 @@ static void usage(void)
     printf("  -load sessname  Load settings from saved session\n");
     printf("  -l user   connect with specified username\n");
     printf("  -P port   connect to specified port\n");
-    printf("  -pw passw login with specified password\n");
+    printf("  -pwfile file   login with password read from specified file\n");
     printf("  -1 -2     force use of particular SSH protocol version\n");
     printf("  -ssh -ssh-connection\n");
     printf("            force use of particular SSH protocol variant\n");