for loop into a bunch of files, extract some data of each one and dumb all data into a single file

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i am executing a command over a bunch of files, and extracting a simple data (a number) from each file. then i want to dump all this set of data into a txt file, this is my script

! /bin/sh

for i in RECO/*.root

do

edmEventSize -v "$i" |grep "File"| cut -d " " -f 4 > salida2.txt

done

but the file salida2.txt just shows the data of the last file, and i need the data of the other files into the same salida2.txt (for example file1 gives me number 1, file2->2, file3->3, etc and in salida2.txt i need all this numbers 1,2,3)

Thank you in advance

asked 1 min ago

celonilanaparticle

6