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authorroot <root@krebs>2011-04-22 12:29:55 +0200
committerroot <root@krebs>2011-04-22 12:29:55 +0200
commitb7fb99573d5075acda4e53ea0e6c62eaa8d015b3 (patch)
tree0a3f20e7ca552b21c0ac965678dbb532fd537ae3
parent0c633c12d5658c963cec93526936666781f4f359 (diff)
modules/temp: extract temp from /shackstatus
-rwxr-xr-xmodules/temp41
1 files changed, 41 insertions, 0 deletions
diff --git a/modules/temp b/modules/temp
new file mode 100755
index 00000000..047dfa5b
--- /dev/null
+++ b/modules/temp
@@ -0,0 +1,41 @@
+#! /bin/bash
+
+main() {
+ case "$1" in
+ (--help)
+ echo "report temperature in K, °C, °R, or °F."
+ ;;
+ (-C|--celsius)
+ echo `temp 'x - 273.15'` Grad Zelsius | to_espeak
+ ;;
+ (-F|--fahrenheit)
+ echo `temp 'x * 9/5 - 459.67'` Grad Fahrenheit | to_espeak
+ ;;
+ (-R|--rankine)
+ echo `temp 'x * 9/5'` Grad Renkin | to_espeak
+ ;;
+ (-K|--kelvin|*)
+ echo `temp` Kelvin | to_espeak
+ ;;
+ esac
+}
+
+## temp [<formula with temperature as x>]
+## Echo temperature in K. If formula is given then return that result instead.
+temp() {
+ echo "scale=2; x=`dig +short txt outside.elwood.temp.citecs.de |
+ sed 's/^"DEG \([0-9]\+\.[0-9]\+\)"$/\1/'
+ ` + 273.15; ${1-x}" | bc
+}
+
+to_espeak() {
+ sed '
+ s/\(\.[0-9]\)0\+/\1/g
+ s/\(\.[0-9]\)\([0-9]\)[0-9]*/ \1 \2 /;
+ s/^-/minus /;
+ s/\./ komma /;
+ s:^:/espeak -v Die Außen-tempera-tur beträgt :;
+ ' >$NOISE_linefeed
+}
+
+main "$@"