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Top Forums Shell Programming and Scripting Copying few lines from one file to another Post 302884817 by clx on Wednesday 22nd of January 2014 02:39:50 AM
Old 01-22-2014
Refer to man cp for why the command is not working.
In short, If you provide two argument to "cp", it would copy the first file (arg1) to the second file (arg2) but If you provide more then two arg (your case), it expects the last arg to be a directory to copy all the files inside that directory. In this case, "123" is a file hence error.

You can probably use

Code:
for file in abc 123
do
 head -2 $file > new_file
done

 

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Ns_Sock(3aolserver)					   AOLserver Library Procedures 				       Ns_Sock(3aolserver)

__________________________________________________________________________________________________________________________________________________

NAME
Ns_BindSock, Ns_GetSockAddr, Ns_SockAccept, Ns_SockAsyncConnect, Ns_SockAsyncConnect2, Ns_SockBind, Ns_SockCloseLater, Ns_SockConnect, Ns_SockConnect2, Ns_SockListen, Ns_SockListenEx, Ns_SockPipe, Ns_SockSetBlocking, Ns_SockSetNonBlocking, Ns_SockStrError, Ns_SockTimedCon- nect, Ns_SockTimedConnect2, ns_pipe, ns_sockpair - library procedures SYNOPSIS
#include "ns.h" Ns_BindSock(arg, arg) Ns_GetSockAddr(arg, arg) Ns_SockAccept(arg, arg) Ns_SockAsyncConnect(arg, arg) Ns_SockAsyncConnect2(arg, arg) Ns_SockBind(arg, arg) Ns_SockCloseLater(arg, arg) Ns_SockConnect(arg, arg) Ns_SockConnect2(arg, arg) Ns_SockListen(arg, arg) Ns_SockListenEx(arg, arg) Ns_SockPipe(arg, arg) Ns_SockSetBlocking(arg, arg) Ns_SockSetNonBlocking(arg, arg) Ns_SockStrError(arg, arg) Ns_SockTimedConnect(arg, arg) Ns_SockTimedConnect2(arg, arg) ns_pipe(arg, arg) ns_sockpair(arg, arg) _________________________________________________________________ DESCRIPTION
These functions ... SEE ALSO
nsd(1), info(n) KEYWORDS
AOLserver 4.0 Ns_Sock(3aolserver)
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