$ gdxdump output/testOneRegi/input.gdx symbols | awk '1 == NR; $3 == "0" && $4 == "Par" && $2 !~ /^[cso]/'
Symbol Dim Type Records Explanatory text
588 p29_esubGrowth 0 Par 1 long term growth of the elasticity of substitution
617 p32_FactorAddIntCostTotVRE 0 Par 1 Multiplicative factor that influences how much the total VRE share increases integration challenges
690 p80_count 0 Par 1 count regions with feasible solution
703 p80_eoDeltaEmibudget 0 Par 1 total change in permit budget
707 p80_eoMargAverage 0 Par 1 global average of marginals from nash budget equation
792 pm_conv_TWa_EJ 0 Par 1 conversion from TWa to EJ
831 pm_gmt_conv 0 Par 1 global mean temperature convergence
867 pm_sccConvergenceMaxDeviation 0 Par 1 max deviation of SCC from last iteration [percent]
977 p_emi_budget1_gdx 0 Par 1 budget for global energy-emissions in period 1 from gdx, may overwrite default values