regen output reading | Python Fiddle

#variables needed to be read
#--------------------------------------
#from the input variable

#cold end temperature
GAS_TEMP_COLD     = "0"
GAS_TEMP_COLD_pos = 0

#regenerator length
RG_LENGTH         = "0"
RG_LENGTH_pos     = 0

#frequency of the mass flux
HERZ              = "0"
HERZ_pos          = 0

#cold end mass flux
MASS_FLUX_COLD    = "0"
MASS_FLUX_COLD_pos= 0

#phase between mass and pressure
PRES_PHASE        = "0"
PRES_PHASE_pos    = 0

#number of mesh points
NUM_POINTS_X      = "0"
NUM_POINTS_X_pos  = 0

#number of steps per cycle
NUM_STEPS_CYC     = "0"
NUM_STEPS_CYC_pos = 0

#duration of cycle
FINAL_CYCLE       = "0"
FINAL_CYCLE_pos   = 0

#----------------------------------------
#from output

#maximum CFL number over cycle
CFLMAX     = "0"
CFLMAX_pos = 0

#enthalpy plus heat variation across the regenerator
EHTDIF     = "0"
EHTDIF_pos = 0

#enthalpy plus heat flux at cold side of regenerator
EHTFLX     = "0"
EHTFLX_pos = 0

#energy inbalance for the gas over the cycle
ENGBAL     = "0"
ENGBAL_pos = 0

#normed matrix temperature at mid point
GTPNRM     = "0"
GTPNRM_pos = 0

#second law efficiency
EFFIC      = "0"
EFFIC_pos  = 0

#specific gas cross sectional area
GASARS     = "0"
GASARS_pos = 0

#gas volume in regenerator
GASVO      = "0"
GASVO_pos  = 0

#ineffectiveness
INEFCT     = "0"
INEFCT_pos = 0

#COP
NTACOP     = "0"
NTACOP_pos = 0

#adjusted net refrigeration power
NTCADJ     = "0"
NTCADJ_pos = 0

#portion of enthalpy flux due to pressurization
PRLOSS     = "0"
PRLOSS_pos = 0

#pv work done by gas at warm end
PVWK0T     = "0"
PVWK0T_pos = 0

#pv work by pressure drop at warm end
PVWKPR     = "0"
PVWKPR_pos = 0

#regenerator loss [W], loss due to ineffectiveness
RGLOSS     = "0"
RGLOSS_pos = 0

#the integral average of the enthalpy flux at the right side of the regenerator over one cycle
ENTFLX     = "0"
ENTFLX_pos = 0

#-----END of data Variable setup-------------------------------------------------------------------

#-----------------Control variables----------------------------------------------------------------
num_file_1 = 0
num_file_2 = 0
num_file   = 0
file_nam   = "0"
rgpr       = "rgpr"
line       = "0"

num_file_1 = input("input start file number \n")
num_file_2 = input("input end file number \n")
num_file   = num_file_2 - num_file_1 + 1

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