(scripts) fix for spaces in paths/arguments of whitespace remover

scripts/trailing-whitespace.sh

@@ -23,7 +23,7 @@ function remove-whitespace {
     unset args
     unset arguments
 
-    for arg in $@; do
+    for arg in "$@"; do
         if [[ "${arg}" =~ ^-[a-zA-Z]{2,}$ ]]; then
             temp=($(echo ${arg} | grep --color=never -o "."))
             args+=(${temp[@]/#/-})
@@ -32,14 +32,14 @@ function remove-whitespace {
         fi
     done
 
-    for arg in ${args[@]}; do
+    for arg in "${args[@]}"; do
         [[ "${arg}" != "--" ]] && arguments+=("${arg}")
     done
     unset args
 
-    for arg in ${arguments[@]}; do
+    for arg in "${arguments[@]}"; do
         unset arg_found
-        case ${arg} in
+        case "${arg}" in
         "-u" | "--unix")
             arg_found="true"
             ffunix="true"
@@ -82,18 +82,18 @@ function remove-whitespace {
         grep_regex=$'[[:blank:]]+\r?$'
     fi
 
-    for arg in ${path_args[@]}; do
-        files+=($(
+    for arg in "${path_args[@]}"; do
+        files+=("$(
             find "${arg}" \
                 ${exclude_paths[@]/#/-not -path } \
                 ${exclude_files[@]/#/-not -name } \
                 -type f \
                 -exec grep -EIq "${grep_regex}" {} \; \
                 -print
-        ))
+        )")
     done
-    for arg in ${file_args[@]}; do
-        grep -EIq "${grep_regex}" ${arg} && files+=("${arg}")
+    for arg in "${file_args[@]}"; do
+        grep -EIq "${grep_regex}" "${arg}" && files+=("${arg}")
     done
 
     if [[ -z "${files[@]}" ]] && [[ -n "${path_args}" ]]; then
@@ -124,7 +124,7 @@ EOF
     fi
 
     if [[ -z "${no_action}" ]]; then
-        for file in ${files[@]}; do
+        for file in "${files[@]}"; do
             if [[ -n "${ffunix}" ]]; then
                 sed -i "${sed_cmd}" ${file}
             else
@@ -139,7 +139,7 @@ EOF
         tput smso
         echo "The following files contain whitespace:"
         tput sgr0
-        for file in ${files[@]}; do
+        for file in "${files[@]}"; do
             echo "${file}"
         done
     elif [[ -z "${silent}" ]] &&
@@ -148,9 +148,8 @@ EOF
         tput smso
         echo "The following files contained whitespace:"
         tput sgr0
-        for file in ${files[@]}; do
+        for file in "${files[@]}"; do
             echo "${file}"
         done
     fi
-
 }