Added my basic hex/ascii/binary conversion scripts

README.md

@@ -1,3 +1,41 @@
 # bash-utils
 
-Just a couple bash utilities
+Just a couple bash utilities
+
+= a2b - Convert Ascii to Binary =
+== Usage ==
+```
+a2b H e l l o
+```
+== Output ==
+```
+01001000
+01100101
+01101100
+01101100
+01101111
+```
+
+= a2h - Convert Ascii to Hex =
+== Usage ==
+```
+a2h H e l l o
+```
+== Output ==
+```
+48
+65
+6c
+6c
+6f
+```
+
+= h2a - Convert Hex to Ascii =
+== Usage ==
+```
+h2a 48 65 6c 6c 6f
+```
+== Output ==
+```
+H e l l o
+```

a2b

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+for c in $@; do
+  echo $c | xxd -b | cut -d" " -f2
+done

a2h

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+for c in $@; do
+  echo $c | xxd -p | cut -c1-2
+done

h2a

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+for c in $@; do
+  if [[ $c != 0x* ]]; then
+    c="0x$c"
+  fi
+  echo $c | xxd -r
+  echo -n " "
+done
+printf "\n"