general: Fix #38

README.md

@@ -294,6 +294,8 @@ is_hex_color "$color" || color="#FFFFFF"
 
 ## Split a string on a delimiter
 
+**CAVEAT:** Requires `bash` 4+
+
 This is an alternative to `cut`, `awk` and other tools.
 
 **Example Function:**

file

@@ -0,0 +1,37 @@
+
+-> Running tests on the Pure Bash Bible..
+-----------------------------------------
+ ✔ | bar 
+ ✔ | basename 
+ ✔ | count 
+ ✔ | cycle 
+ ✔ | date 
+ ✔ | dirname 
+ ✔ | extract 
+ ✔ | get_functions 
+ ✔ | head 
+ ✔ | hex_to_rgb 
+ ✔ | hex_to_rgb 
+ ✔ | lines 
+ ✔ | lines_loop 
+ ✔ | lower 
+ ✔ | lstrip 
+ ✔ | read_sleep 
+ ✔ | regex 
+ ✖ | remove_array_dups ("5 4 3 2 1" != "1 2 3 4 5")
+ ✖ | reverse_array ("5 4 3 2 1 5 4 3 2 1" != "5 4 3 2 1")
+ ✔ | rgb_to_hex 
+ ✔ | rstrip 
+ ✔ | split 
+ ✔ | strip 
+ ✔ | strip_all 
+ ✔ | tail 
+ ✔ | trim_all 
+ ✔ | trim_quotes 
+ ✔ | trim_string 
+ ✔ | upper 
+ ✔ | urldecode 
+ ✔ | urlencode 
+----------------------------------------
+Completed 31 tests. 29 passed, 2 failed.
+

manuscript/chapter1.txt

@@ -117,6 +117,8 @@ is_hex_color "$color" || color="#FFFFFF"
 
 ## Split a string on a delimiter
 
+**CAVEAT:** Requires `bash` 4+
+
 This is an alternative to `cut`, `awk` and other tools.
 
 **Example Function:**
@@ -315,6 +317,7 @@ The Quick Brown
 ```sh
 urlencode() {
     # Usage: urlencode "string"
+    local LC_ALL=C
     for (( i = 0; i < ${#1}; i++ )); do
         : "${1:i:1}"
         case "$_" in