| 1 | #! /bin/bash |
| 2 | |
| 3 | set -e |
| 4 | |
| 5 | FILE_METAR_DECODED="$HOME/var/run/metar-KJFK-decoded" |
| 6 | FILE_TEMP_FAHRENHEIT="${FILE_METAR_DECODED}-temp-fahrenheit" |
| 7 | |
| 8 | (metar -d KJFK 2>&1) > $FILE_METAR_DECODED # TODO: Better error handling |
| 9 | |
| 10 | awk ' |
| 11 | /METAR pattern not found in NOAA data/ { |
| 12 | failures++ |
| 13 | } |
| 14 | |
| 15 | /^Temperature/ { |
| 16 | celsius = $3; |
| 17 | fahrenheit = (celsius * (9 / 5)) + 32; |
| 18 | } |
| 19 | |
| 20 | END { |
| 21 | if (failures > 0) { |
| 22 | print "--"; |
| 23 | } else { |
| 24 | print fahrenheit; |
| 25 | } |
| 26 | }' \ |
| 27 | $FILE_METAR_DECODED \ |
| 28 | > $FILE_TEMP_FAHRENHEIT |