Not so useless use of cat

Hi, Why do I need cat (the second on) here? $ echo first file1 $ echo second file2 $ (for i in file[12] ; do cat $i /dev/stdout ; done) | cat both $ cat both first second If I omit the | cat after the loop I get $ cat both second Even when using both instead of both only second

Re: Not so useless use of cat

On Sep 12, 2014 6:42 PM, Ralf Goertz me@myprovider.invalid wrote: Hi, Why do I need cat (the second on) here? $ echo first file1 $ echo second file2 $ (for i in file[12] ; do cat $i /dev/stdout ; done) | cat both $ cat both first second If I omit the | cat after the loop I

Re: Not so useless use of cat

Ralf Goertz me@myprovider.invalid wrote: Since you have used an invalid address I assume you are reading the mailing list via a web archive or other means and did not CC you. Why do I need cat (the second on) here? You don't. $ echo first file1 $ echo second file2 $ (for i in file[12] ; do

Re: Not so useless use of cat

On Sep 12, 2014 7:12 PM, Bob Proulx b...@proulx.com wrote: Ralf Goertz me@myprovider.invalid wrote: Since you have used an invalid address I assume you are reading the mailing list via a web archive or other means and did not CC you. Why do I need cat (the second on) here? You don't.