Updated is_array check

.gitignore

@@ -0,0 +1 @@
+/tmp

README.md

@@ -130,7 +130,7 @@ git commit -m 'Added/updated bash-utility library.'
 **Note:** When cloning your repository, use `--recurse-submodules` flag to `git clone` command to install the git sub modules.
 
 ## Usage
-Library functions can be used by simply sourcing the library script file to your own script.
+Bash utility functions can be used by simply sourcing the library script file to your own script.
 To access all the functions within the bash-utility library, you could import the main bash file as follows.
 
 ```shell
@@ -1742,19 +1742,20 @@ Functions for handling variables.
 ### variable::is_array()
 
 Check if given variable is array.
+Note: Pass the variable name instead of value of the variable.
 
 #### Example
 
 ```bash
-array=("a" "b" "c")
-variable::is_array "${array[@]}"
+arr=("a" "b" "c")
+variable::is_array "arr"
 #Output
 0
 ```
 
 #### Arguments
 
-- **$1** (mixed): Value of variable to check.
+- **$1** (string): name of the variable to check.
 
 #### Exit codes
 

bin/generate_readme.sh

@@ -99,7 +99,7 @@ _setup_arguments() {
         printf "Provided directory for bash script files %s does not exist.\n" "${SOURCE_SCRIPT_DIR}" && exit 1
     fi
 
-    re='^[0-9]+$'
+    declare re='^[0-9]+$'
     if ! [[ "${MINLEVEL}" =~ $re ]] || ! [[ "${MAXLEVEL}" =~ $re ]]; then
         echo "error: Not a number" >&2
         exit 1
@@ -205,7 +205,7 @@ _generate_toc() {
 
 _insert_toc_to_file() {
 
-    declare source_markdown toc_text start_toc info_toc end_toc utext_ampersand utext_slash
+    declare source_markdown toc_text start_toc info_toc end_toc toc_block utext_ampersand utext_slash
     source_markdown="${1}"
     toc_text="${2}"
     start_toc="<!-- START ${SCRIPT_FILE} generated TOC please keep comment here to allow auto update -->"
@@ -239,7 +239,7 @@ _insert_toc_to_file() {
 }
 
 _process_toc() {
-    declare toc_temp_file source_markdown level
+    declare toc_temp_file source_markdown level toc_text
     source_markdown="${1}"
 
     toc_temp_file=$(_setup_tempfile)
@@ -259,6 +259,8 @@ _process_toc() {
 }
 
 main() {
+    # export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
+    # set -x
     trap 'exit "$?"' INT TERM && trap 'exit "$?"' EXIT
     set -o errexit -o noclobber -o pipefail
 

src/variable.sh

@@ -4,26 +4,25 @@
 # @brief Functions for handling variables.
 
 # @description Check if given variable is array.
+# Note: Pass the variable name instead of value of the variable.
 #
 # @example
-#   array=("a" "b" "c")
-#   variable::is_array "${array[@]}"
+#   arr=("a" "b" "c")
+#   variable::is_array "arr"
 #   #Output
 #   0
 #
-# @arg $1 mixed Value of variable to check.
+# @arg $1 string name of the variable to check.
 #
 # @exitcode 0  If input is array.
 # @exitcode 1 If input is not an array.
 variable::is_array() {
-    declare input=("$@")
     if [[ -z "${1}" ]]; then
         return 1
-    elif [[ "${#input[@]}" -gt 1 ]]; then
-        return 0
     else
-        return 1
+        declare -p "${1}" 2> /dev/null | grep 'declare \-[aA]' > /dev/null && return 0
     fi
+    return 1
 }
 
 # @description Check if given variable is a number.
@@ -95,7 +94,7 @@ variable::is_float() {
 # @exitcode 0  If input is a boolean.
 # @exitcode 1 If input is not a boolean.
 variable::is_bool() {
-    [[ "${1}" = true || "${1}" = false ]] && return 0 || return 1;
+    [[ "${1}" = true || "${1}" = false ]] && return 0 || return 1
 }
 
 # @description Check if given variable is a true.
@@ -110,7 +109,7 @@ variable::is_bool() {
 # @exitcode 0  If input is true.
 # @exitcode 1 If input is not true.
 variable::is_true() {
-    [[ "${1}" = true || "${1}" -eq 0 ]] && return 0 || return 1;
+    [[ "${1}" = true || "${1}" -eq 0 ]] && return 0 || return 1
 }
 
 # @description Check if given variable is false.
@@ -125,5 +124,5 @@ variable::is_true() {
 # @exitcode 0  If input is false.
 # @exitcode 1 If input is not false.
 variable::is_false() {
-    [[ "${1}" = false || "${1}" -eq 1 ]] && return 0 || return 1;
+    [[ "${1}" = false || "${1}" -eq 1 ]] && return 0 || return 1
 }