this is strange and i think it's a bug...
-t
----- Original Message ----- From: "Tristan Savatier" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Wednesday, May 18, 2005 3:39 PM
Subject: bug in cat 5.3.0 (cygwin) on XP SP2
when 'cat' is passed several text files as parameters, it will add the invisible control character '^M' at the end of each lines of each file except the first file.
e.g.:
$ cat file1.txt file2.txt file3.txt > fileout.txt
in fileout.txt, all the lines from file2.txt and file3.txt now have a spurious invisible '^M' control character right before the \n. this character was not present in the original files. it can be seen by editing the text files with emacs.
this invisible '^M' control character causes problems, e.g. if you pipe this into 'sort -u', identical lines that should be discarded are not discarded because they are in fact now different because of the spurious invisible '^M' control character added by 'cat'.
the spurious invisible '^M' control character is NOT added to the lines of the first file in the parameter list.
-t
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