| 1 | #! /usr/bin/awk -f |
| 2 | # |
| 3 | # Qualifying the name as "_d_output" lest it be mistaken for parser of actual |
| 4 | # metar format. |
| 5 | |
| 6 | function strip(s) { |
| 7 | sub("^ *", "", s) |
| 8 | sub(" *$", "", s) |
| 9 | return s |
| 10 | } |
| 11 | |
| 12 | /METAR pattern not found in NOAA data/ { |
| 13 | failures++ |
| 14 | exit |
| 15 | } |
| 16 | |
| 17 | /[A-z][a-z]+ *: / { |
| 18 | split($0, line, ":") |
| 19 | key = strip(line[1]) |
| 20 | val = strip(line[2]) |
| 21 | values[NR] = val |
| 22 | first[key] = NR |
| 23 | last[key] = NR |
| 24 | } |
| 25 | |
| 26 | /^ +/ { |
| 27 | values[NR] = strip($0) |
| 28 | last[key] = NR |
| 29 | } |
| 30 | |
| 31 | END { |
| 32 | if (failures) { |
| 33 | print "metar fetch failed" > "/dev/stderr" |
| 34 | } else { |
| 35 | temp_string = values[first["Temperature"]] |
| 36 | split(temp_string, temp_parts, " +") |
| 37 | temp_celsius = temp_parts[1] |
| 38 | temp_fahrenheit = (temp_celsius * (9 / 5)) + 32 |
| 39 | print "temperature " temp_fahrenheit "°F" |
| 40 | for (i=first["Phenomena"]; i<=last["Phenomena"]; i++) { |
| 41 | print "phenomena " values[i] |
| 42 | } |
| 43 | } |
| 44 | } |