[hackers] [sbase] grep: add -h (inverse of -H) aswell || Hiltjo Posthuma

[git]

commit f6552e36691c27c147aaafe3be9eb6011eef728f
Author: Hiltjo Posthuma <hil...@codemadness.org>
Date:   Sun Nov 16 20:03:25 2014 +0100

    grep: add -h (inverse of -H) aswell

diff --git a/grep.1 b/grep.1
index 8fad4e5..9a593ad 100644
--- a/grep.1
+++ b/grep.1
@@ -3,7 +3,7 @@
 grep \- search files for a pattern
 .SH SYNOPSIS
 .B grep
-.RB [ \-EHcilnqv ]
+.RB [ \-EHchilnqv ]
 .RB [ \-e
 .I pattern ]
 .I pattern
@@ -38,6 +38,9 @@ This option is most useful when multiple -e options are used 
to
 specify multiple patterns, or when a pattern begins with a dash
 (`-').
 .TP
+.B \-h
+do not prefix each line with 'filename:' prefix.
+.TP
 .B \-i
 matches lines case insensitively.
 .TP
diff --git a/grep.c b/grep.c
index 6c6215d..b2bf051 100644
--- a/grep.c
+++ b/grep.c
@@ -16,6 +16,7 @@ static int grep(FILE *, const char *);
 
 static int eflag = 0;
 static int vflag = 0;
+static int hflag = 0;
 static int Hflag = 0;
 static int many;
 static char mode = 0;
@@ -54,6 +55,9 @@ main(int argc, char *argv[])
                addpattern(EARGF(usage()));
                eflag = 1;
                break;
+       case 'h':
+               hflag = 1;
+               break;
        case 'c':
        case 'l':
        case 'n':
@@ -145,7 +149,7 @@ grep(FILE *fp, const char *str)
                        case 'q':
                                exit(Match);
                        default:
-                               if (many || Hflag)
+                               if (!hflag && (many || Hflag))
                                        printf("%s:", str);
                                if (mode == 'n')
                                        printf("%ld:", n);