From c17ba1bd8c3b7dc393d36e0bd8d054d7f2f5bc0c Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Mon, 25 Aug 2025 16:59:25 +0200
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20free-gigs:=20script-friendly=20df?=
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---
 free-gigs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 free-gigs

diff --git a/free-gigs b/free-gigs
new file mode 100755
index 0000000..7e1b566
--- /dev/null
+++ b/free-gigs
@@ -0,0 +1,20 @@
+#!/bin/bash
+# script-friendly df
+
+factor=1024  # default
+
+OPTSTRING="H"
+while getopts ${OPTSTRING} opt; do
+  case ${opt} in
+    H)
+      factor=1000
+      ;;
+  esac
+done
+shift $((OPTIND-1))
+
+target=${1:-.}
+
+free_bytes=$(findmnt --df -T "$target" -oAVAIL --bytes | sed '1d')
+free_gigs=$((free_bytes/(factor**3)))
+echo $free_gigs