19 wiersze
1.1 KiB
Bash
19 wiersze
1.1 KiB
Bash
#!/bin/bash
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#
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# This script will remotely invoke the bureau of transportation statistics web form to retrieve data by month:
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# https://www.transtats.bts.gov/DL_SelectFields.asp?Table_ID=236&DB_Short_Name=On-Time
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# for the specific columns listed in the SQL and utilized by the sample schema.
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mkdir -p data
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for y in {1990..2019}; do
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for m in {1..12}; do
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yyyymm="$y-$(printf %02d $m)"
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echo "$yyyymm"
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curl -L -o data.zip -d "sqlstr=+SELECT+YEAR%2CMONTH%2CDAY_OF_MONTH%2CDAY_OF_WEEK%2CFL_DATE%2CCARRIER%2CTAIL_NUM%2CFL_NUM%2CORIGIN%2CDEST%2CCRS_DEP_TIME%2CDEP_TIME%2CDEP_DELAY%2CTAXI_OUT%2CWHEELS_OFF%2CWHEELS_ON%2CTAXI_IN%2CCRS_ARR_TIME%2CARR_TIME%2CARR_DELAY%2CCANCELLED%2CCANCELLATION_CODE%2CDIVERTED%2CCRS_ELAPSED_TIME%2CACTUAL_ELAPSED_TIME%2CAIR_TIME%2CDISTANCE%2CCARRIER_DELAY%2CWEATHER_DELAY%2CNAS_DELAY%2CSECURITY_DELAY%2CLATE_AIRCRAFT_DELAY+FROM++T_ONTIME+WHERE+Month+%3D$m+AND+YEAR%3D$y" https://www.transtats.bts.gov/DownLoad_Table.asp?Table_ID=236
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rm -f *.csv
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unzip data.zip
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rm -f data.zip
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mv *.csv $yyyymm.csv
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tail -n +2 $yyyymm.csv > data/$yyyymm.csv
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rm -f $yyyymm.csv
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done
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done |