file1 contain the data like .... john smith michael so cat file1 |t

i have one column with data smith
john
michale
the o/p should be smith,john,michale how we do in unix

Question Posted / david

Answer Posted / david

file1 contain the data like ....
john smith michael

so
cat file1 |tr ' ' ','
or
cat file1 |sed 's/ /,/g'

this will really help you dear ....

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