shithub: rc

diff: cannot open b/rc//null: file does not exist: 'b/rc//null'

--- /dev/null

+++ b/rc/shl

@@ -1,0 +1,11 @@

+#!/bin/rc

+awk '

+BEGIN{

+	srand()

+}

+{

+	printf "%06d	%s\n", rand() * 1000000, $0

+}

+' |\

+	sort -n |\

+	sed 's/^[0-9]+	//'

--- /dev/null

+++ b/rc/tac

@@ -1,0 +1,8 @@

+#!/bin/awk -f

+{

+	l[NR] = $0

+}

+END{

+	while(NR > 0)

+		print l[NR--]

+}

--- /dev/null

+++ b/rc/unhex

@@ -1,0 +1,17 @@

+#!/bin/awk -f

+# dd ... | xd -1x | ssam '...' | unhex | dd ...

+function hex(s, v){

+	if(s ~ /^0x/)

+		s = substr(s, 3)

+	for(n=1; n<=length(s); n++)

+		v = v * 16 + h[substr(s, n, 1)]

+	return v

+}

+BEGIN{

+	for(n=0; n<16; n++)

+		h[sprintf("%x", n)] = n

+}

+{

+	for(i=2; i<=NF; i++)

+		printf "%c", hex("0x" $i)

+}