grep: add -H flag

2014-11-16 11:45:10 +01:00
parent e17b9cdd0a
commit 865869fb28
2 changed files with 11 additions and 3 deletions
--- a/grep.1
+++ b/grep.1
@@ -3,7 +3,7 @@
 grep \- search files for a pattern
 .SH SYNOPSIS
 .B grep
-.RB [ \-Ecilnqv ]
+.RB [ \-EHcilnqv ]
 .RB [ \-e
 .I pattern ]
 .I pattern
@@ -24,6 +24,10 @@ status code is 2.
 .B \-E
 matches using extended regex.
 .TP
+.B \-H
+prefixes each matching line with its filename in the output. This is the
+default when there is more than one file specified.
+.TP
 .B \-c
 prints only a count of matching lines.
 .TP