bindiff: Output binary representation of file

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 16 insertions, 1 deletions

diff --git a/bindiff b/bindiff
index b1f6fe0..7a30c08 100755
--- a/bindiff
+++ b/bindiff
@@ -6,4 +6,19 @@ if [[ $# != 2 ]]; then
 fi
 
 #sdiff -w 150 -Hs <(xxd -b "$1") <(xxd -b "$2")
-cmp -l "$1" "$2" | awk '{printf "%08X %02X %02X\n", $1, strtonum(0$2), strtonum(0$3)}'
+
+cmp -l "$1" "$2" | awk 'function bits2str(bits,        data, mask)
+{
+    if (bits == 0)
+        return "0"
+
+    mask = 1
+    for (; bits != 0; bits = rshift(bits, 1))
+        data = (and(bits, mask) ? "1" : "0") data
+
+    while ((length(data) % 8) != 0)
+        data = "0" data
+
+    return data
+}
+{printf "%08X %s %s\n", $1, bits2str(strtonum(0$2)), bits2str(strtonum(0$3))}'