X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=src%2Fawk%2Fexe%2Fparse_metar_d_output.awk;fp=src%2Fawk%2Fexe%2Fparse_metar_d_output.awk;h=fa354da4f0d2cf7025b0c8639294ce70d3984288;hb=03c229bffd594c1facb72e0d042a88c0505c8dbc;hp=0000000000000000000000000000000000000000;hpb=2e820ad561199f2ccc1ee3fa7e7e708e5dc8bc39;p=khatus.git

diff --git a/src/awk/exe/parse_metar_d_output.awk b/src/awk/exe/parse_metar_d_output.awk
new file mode 100755
index 0000000..fa354da
--- /dev/null
+++ b/src/awk/exe/parse_metar_d_output.awk
@@ -0,0 +1,40 @@
+# Qualifying the name as "_d_output" lest it be mistaken for parser of actual
+# metar format.
+
+/METAR pattern not found in NOAA data/ {
+    failures++
+    exit
+}
+
+/[A-z][a-z]+ *: / {
+    split($0, line, ":")
+    key = util_strip(line[1])
+    val = util_strip(line[2])
+    values[NR] = val
+    first[key] = NR
+    last[key] = NR
+}
+
+/^ +/ {
+    values[NR] = util_strip($0)
+    last[key] = NR
+}
+
+END {
+    if (failures) {
+        print "metar fetch failed" > "/dev/stderr"
+    } else {
+        temp_string = values[first["Temperature"]]
+        split(temp_string, temp_parts, " +")
+        temp_celsius = temp_parts[1]
+        temp_fahrenheit = (temp_celsius * (9 / 5)) + 32
+        print("temperature_c", temp_celsius)     # °C
+        print("temperature_f", temp_fahrenheit)  # °F
+        for (i=first["Phenomena"]; i<=last["Phenomena"]; i++) {
+            phenomenon = values[i]
+            if (phenomenon) {
+                print("phenomenon" Kfs i, phenomenon)
+            }
+        }
+    }
+}