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Reads STDIN json, writes STDOUT csv
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| # converts spanner queries to csv on the command line | |
| # input should be like `gcloud spanner databases execute-sql --format json` | |
| STDIN=$(cat -) | |
| echo $(echo "$STDIN"| jq '.metadata.rowType.fields[].name' | tr '\n' ', ') | |
| rows=$(echo "$STDIN"| jq -r '.rows[] | @csv') | |
| printf '%s\n' "${rows[@]}" |
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