Useful jq one-liners

[kratsg]

To filter out a specific sample and show the expected event rate using jq

$ jq '.channels[] | {(.name):(.samples[] | select(.name == "recast_signal") | .data)}' ~mhance/mario-mapyde/likelihoods/MonoJet2018_bkgsignal.json  | jq -s add
{
  "SR_200_cuts": [
    6641.11328125
  ],
  "SR_250_cuts": [
    7761.5625
  ],
  "SR_300_cuts": [
    5737.01318359375
  ],
  "SR_350_cuts": [
    5541.0849609375
  ],
  "SR_400_cuts": [
    6948.0673828125
  ],
  "SR_500_cuts": [
    2332.7177734375
  ],
  "SR_600_cuts": [
    1973.580078125
  ],
  "SR_700_cuts": [
    922.2721557617188
  ],
  "SR_800_cuts": [
    206.9783172607422
  ]
}