strings: Default to -a

README

@@ -67,7 +67,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
    sort            no                           -m, -o, -d, -f, -i
 =* split           yes                          none
 =* sponge          non-posix                    none
-   strings         no                           -a, -n, -t
+   strings         no                           -n, -t
 =* sync            non-posix                    none
 =* tail            yes                          none
 =* tar             non-posix                    none

strings.1

@@ -6,6 +6,7 @@
 .Nd print the strings of printable characters in files
 .Sh SYNOPSIS
 .Nm
+.Op Fl a
 .Op Ar file ...
 .Sh DESCRIPTION
 .Nm
@@ -15,6 +16,11 @@ long. If no
 are given,
 .Nm
 reads from stdin.
+.Sh OPTIONS
+.Bl -tag -width Ds
+.It Fl a
+Scan files in their entirety. This is the default.
+.El
 .Sh STANDARDS
 .Nm
 mirrors the semantics of Plan9

strings.c

@@ -9,7 +9,7 @@ static void dostrings(FILE *fp, const char *fname);
 static void
 usage(void)
 {
-	eprintf("usage: %s [file ...]\n", argv0);
+	eprintf("usage: %s [-a] [file ...]\n", argv0);
 }
 
 int
@@ -19,6 +19,8 @@ main(int argc, char *argv[])
 	int ret = 0;
 
 	ARGBEGIN {
+	case 'a':
+		break;
 	default:
 		usage();
 	} ARGEND;