From ff1486dfe23b58c9dbb29a133625fe71a6c85b05 Mon Sep 17 00:00:00 2001
From: Jared Vititoe <jjvititoe1@gmail.com>
Date: Thu, 5 Feb 2026 11:25:56 -0500
Subject: [PATCH] Replace bc with awk for floating point comparison

Use awk BEGIN block for comparing Ceph OSD reweight values instead
of bc. Awk is more universally available and the previous fallback
to "echo 0" could incorrectly evaluate to true.

Fixes: https://code.lotusguild.org/LotusGuild/driveAtlas/issues/4

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 driveAtlas.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/driveAtlas.sh b/driveAtlas.sh
index 9e139c2..1d53f33 100644
--- a/driveAtlas.sh
+++ b/driveAtlas.sh
@@ -486,7 +486,8 @@ for bay in $(printf '%s\n' "${!DRIVE_MAP[@]}" | grep -E '^[0-9]+$' | sort -n); d
             [[ -z "$reweight" ]] && reweight="0"
 
             # Determine in/out based on reweight (1.0 = in, 0 = out)
-            if (( $(echo "$reweight > 0" | bc -l 2>/dev/null || echo 0) )); then
+            # Use awk for floating point comparison (more portable than bc)
+            if awk "BEGIN {exit !($reweight > 0)}"; then
                 in_status="in"
             else
                 in_status="out"