hashsum \- compute and verify cryptographic checksums of files
.SH SYNOPSIS
.B hashsum
-.RB [ \-f0ecbv ]
+.RB [ \-f0ecbpv ]
.RB [ \-a
.IR algorithm ]
.RB [ \-E
any difference in Unix systems, although it might on other platforms
which draw a distinction.
.TP
+.B "\-p, \-\-progress"
+Display a progress indicator while hashing large files. The progress
+indicator is written to standard error.
+.TP
.B "\-v, \-\-verbose"
In conjunction with the
.B \-c