found bug with stris_posix regex, fixed fdivide_posix

dotfiles-old/bin/data

@@ -86,7 +86,7 @@ printbar() {
 fdivide_posix() {
 	[ -n "$2" ] && [ -n "$1" ] && [ -z "$3" ] \
 		|| return 1
-	printf "%b" "$(($2/$1))"
+	printf "%b\n" "$(($1/$2))"
 	return
 }
 
@@ -101,6 +101,7 @@ gt_posix() {
 }
 
 # limited POSIX shell version of stris
+# BROKEN REGEX. MUSTFIX.
 stris_posix() {
 	[ -n "$2" ] || return 1
 	case "$1" in
@@ -122,22 +123,33 @@ stris_posix() {
 	return
 }
 
-if [ -n "$POSIXLY_CORRECT" ]; then
-	alias fdivide="fdivide_posix"
-	alias gt="gt_posix"
-	alias stris="stris_posix"
-fi
+# check to make sure we have non-standard utilities
+
+[ -n "$POSIXLY_CORRECT" ] || ! which fdivide >/dev/null 2>&1 \
+	&& alias fdivide="fdivide_posix" \
+	|| true
+
+[ -n "$POSIXLY_CORRECT" ] || ! which gt >/dev/null 2>&1 \
+	&& alias gt="gt_posix" \
+	|| true
+
+[ -n "$POSIXLY_CORRECT" ] || ! which stris >/dev/null 2>&1 \
+	&& alias stris="stris_posix" \
+	|| true
+
+# check to make sure customizeable vars are in proper format
 
 [ -n "$INTERVAL" ] && stris int "$INTERVAL" \
-	|| INTERVAL=1 \
-	&& true
+	|| INTERVAL=1
+
 [ -n "$CPU_TEMP_SCALE" ] && stris int "$CPU_TEMP_SCALE" \
 		&& gt "$CPU_TEMP_SCALE" 0 \
-	|| CPU_TEMP_SCALE=1 \
-	&& true
+	|| CPU_TEMP_SCALE=1
+
 [ -n "$CPU_TEMP_FILES" ] \
-	|| alias get_cpu_temp="printf '[no temperature files specified]\n'" \
-	&& true
+	|| alias get_cpu_temp="printf '[no temperature files specified]\n'"
+
+# main loop
 
 while true; do
 	printbar