Fix uptime for Busybox distros

ufetch-alpine

@@ -8,7 +8,7 @@
 host="$(hostname)"
 os='Alpine Linux'
 kernel="$(uname -sr)"
-uptime="$(uptime -p | sed 's/up //')"
+uptime="$(uptime | awk -F, '{sub(".*up ",x,$1);print $1}' | sed -e 's/^[ \t]*//')"
 packages="$(apk info | wc -l)"
 shell="$(basename ${SHELL})"
 

ufetch-linux

@@ -8,7 +8,7 @@
 host="$(hostname)"
 os='Linux'	# I'd just like to interject for a moment...
 kernel="$(uname -sr)"
-uptime="$(uptime -p | sed 's/up //')"
+uptime="$(uptime | awk -F, '{sub(".*up ",x,$1);print $1}' | sed -e 's/^[ \t]*//')"
 shell="$(basename ${SHELL})"
 
 if [ -z "${WM}" ]; then