Bernd Eggink <mono...@sudrala.de> writes: > Am 28.11.2009 06:35, schrieb r...@saturn.syslang.net: >> >> Description: >> use of $(< filename | program) does not work. It either should or it >> should be properly documented. >> The problem also happens on bash4. >> >> Repeat-By: >> >> qq=$(< /etc/passwd | grep sys) >> echo $qq >> # result is null >> >> Fix: >> Either fix the docs to tell people that a pipe is not allowed or fix >> the code to allow it. > > The problem is not the pipe but the fact that '<filename' is an empty > command which does nothing. If you want 'program' to read from 'file', use > program<file'.
Or even $(< /etc/passwd grep sys). Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
