how to input multiple .txt files

my_files = list.files(path=path_to_my_files,pattern='.txt',full.names=TRUE)

a=NULL
for(this_file in my_files){
	a=rbind(a,read.table(this_file))
}
write.table(a,my_new_file_name)

how to input multiple .txt files?

A data folder has lots of .txt files from different customers.

Want to read all these .txt files to different master files:

such as:

?cust1.xx.txt, ?cust1.xxx.txt, cust1.xxxx.txt,.............. to master file: X.txt

?cust2.xx.txt, ?cust2.xxx.txt, cust2.xxxx.txt,.............. to master file: Y.txt

Thanks!

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how to input multiple .txt files

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