improve array loading, no more xargs

2 files changed, 4 insertions, 7 deletions

diff --git a/README b/README
index 339a889..dd2be04 100644
--- a/README
+++ b/README
@@ -20,7 +20,6 @@ DEPENDENCIES
 
   bash (>= 4.0)
   coreutils (sort)
-  findutils (xargs)
 
 
 INSTALLING
diff --git a/rbpm.sh b/rbpm.sh
index 619fc03..cd0696d 100755
--- a/rbpm.sh
+++ b/rbpm.sh
@@ -44,10 +44,8 @@ _populate_dirs() {
     [[ -d "${RUBIES_PATH}" ]] \
         || _die "directory ${RUBIES_PATH} does not exist."
 
-    # Cannot handle paths containing a newline. Only an idiot would
-    # encounter this in practice.
-    readarray -t dirs < <(shopt -s nullglob; \
-        printf '%s\0' "${RUBIES_PATH}"/* | sort -zV | xargs -0n1)
+    mapfile -td $'\0' dirs < <(shopt -s nullglob;
+        printf '%s\0' "${RUBIES_PATH}"/* | sort -zV)
 
     [[ -n "${dirs}" ]] || _die "directory ${RUBIES_PATH} is empty."
 }
@@ -55,7 +53,7 @@ _populate_dirs() {
 _populate_selected() {
     local dir dirs
 
-    IFS=':' read -a dirs <<< "${PATH}"
+    mapfile -td ':' dirs < <(printf %s "${PATH}")
 
     for dir in "${dirs[@]}"; do
         if [[ "${dir}" == "${RUBIES_PATH}/"* ]]; then
@@ -72,7 +70,7 @@ _populate_selected() {
 _clear() {
     local dir dirs cdirs
 
-    IFS=':' read -a dirs <<< "${PATH}"
+    mapfile -td ':' dirs < <(printf %s "${PATH}")
 
     for dir in "${dirs[@]}"; do
         if [[ "${dir}" == "${RUBIES_PATH}/"* ]]; then