linux - Adding up certain values in a Column for certain Rows USING AWK -


i want sum up values in column 4 rows column 3 equal 1 using awk data given below.

13.804 2 1 0.128 14.10683054308584 13.805 4 1 0.1 16.404063320609485 13.845 4 1 0.1 18.88784810910845 13.887 3 0 0.5 15.885403793537332 13.900 2 1 0.128 17.432392753144814 13.910 0 1 0.15 14.065390777016884 13.919 2 1 0.128 14.303367876393343 13.925 0 1 0.15 99.709674389069306 13.967 4 0 0.1 16.166182416686354 13.987 2 0 0.128 27.678527587660298 13.990 0 0 0.15 16.335622854953012 13.991 3 0 0.5 18.135064819504496 14.017 2 0 0.128 32.702333086991857 14.034 1 0 0.25 23.747057691617819 14.042 1 0 0.25 21.28645813221631 14.042 4 0 0.1 32.412778602456548 14.042 4 0 0.1 16.355373059379346 14.049 4 0 0.1 16.9107377441049 14.061 4 0 0.1 14.247305256107564 14.068 3 0 0.5 17.503919428057454 14.085 0 0 0.15 15.027892690096117 14.098 0 0 0.15 18.872227052735838 14.098 1 0 0.25 32.769497723363287 14.100 0 0 0.15 14.169509642396147 14.123 0 0 0.15 15.384714430934654 14.127 0 0 0.15 16.186777071833166 14.159 2 0 0.128 26.62600293363089 14.161 0 0 0.15 14.378881668687308 14.176 2 1 0.128 32.252258371764931 14.206 4 0 0.1 15.524216799990542 14.255 4 0 0.1 22.657759416211846 14.277 4 0 0.1 15.098140555235378 14.309 1 1 0.25 14.907511075479166 14.338 2 1 0.128 23.05330560466021 14.340 0 1 0.15 19.689321884956239 14.356 3 0 0.5 134.27562471483711 14.360 0 1 0.15 16.688768682324934 14.371 4 1 0.1 15.574474425386159 14.372 4 1 0.1 18.3483146897773 14.380 0 1 0.15 22.180348478940314 14.396 0 1 0.15 17.998478450267356 14.402 2 1 0.128 15.971205833886451 14.405 2 1 0.128 28.328755195061586 14.457 2 1 0.128 75.285563263357076 14.521 2 1 0.128 23.344965171769058 14.528 4 1 0.1 16.572185579506026 14.534 0 1 0.15 55.568075650030558

a simple awk can you

awk '$3==1{sum += $4} end{print sum }'

test

$ awk '$3==1{sum += $4} end{print sum }' file  2.952

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