shithub: hx

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add -s option to section the printout

--- a/README.md

+++ b/README.md

@@ -21,3 +21,4 @@

 # Notes

  * hx will print data as soon as it is available (if used on pipes), without buffering.

+ * it provides an option `-s` ("section") to print data read separating it into sections.

--- a/hx.c

+++ b/hx.c

@@ -25,6 +25,7 @@

 	Linesz = 87,

 };

+static int section = 0;

 static unsigned char *buf;

 static const char b2h[] = (

 	"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f"

@@ -46,6 +47,7 @@

 	unsigned char line[16];

 	int wroff, off, eof, lineoff, r;

+again:

 #ifdef __linux__

 	readahead(fd, 0, Bufsz);

 #endif

@@ -113,6 +115,8 @@

 				off = 0;

 			}

 		}

+		if (section)

+			break;

 		if (sz == 0)

 			continue;

@@ -147,6 +151,11 @@

 		}

 	}

+	if (section) {

+		write(1, "\n", 1);

+		goto again;

+	}

+

 	return sz != 0;

 }

@@ -165,6 +174,12 @@

 	}

 	res = 0;

+	if (argc > 1 && strcmp(argv[1], "-s") == 0) {

+		section = 1;

+		argv++;

+		argc--;

+	}

+

 	if (argc == 1) {

 		i = 1;

 		fd = 0;