X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=v2%2Fsrc%2Fawk%2Fexe%2Fparse_metar_d_output.awk;fp=v2%2Fsrc%2Fawk%2Fexe%2Fparse_metar_d_output.awk;h=82d2e29b07b15348cf3bbb6fd1d57627e4d6d533;hb=53d24ad688ea39892dbf3c748c1e40514eeb2763;hp=0000000000000000000000000000000000000000;hpb=0c4f892ec9d0cd7dc87c83c01b52259d0aed1ae3;p=khatus.git

diff --git a/v2/src/awk/exe/parse_metar_d_output.awk b/v2/src/awk/exe/parse_metar_d_output.awk
new file mode 100644
index 0000000..82d2e29
--- /dev/null
+++ b/v2/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 = str_strip(line[1])
+    val = str_strip(line[2])
+    values[NR] = val
+    first[key] = NR
+    last[key] = NR
+}
+
+/^ +/ {
+    values[NR] = str_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)
+            }
+        }
+    }
+}