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Top Forums UNIX for Dummies Questions & Answers Maximum Command Length for Korn shell Post 89747 by jim mcnamara on Tuesday 15th of November 2005 02:02:15 PM
Old 11-15-2005
I'm assuming you're asking this because you want to get a bunch of files using a single command line.

For most ftp programs developed for your flavor of unix the ftp command accepts
a maximum of _POSIX_ARG_MAX characters.

This is in the /usr/include/limits.h file - the value is nornmally 4096.

However, this is not useful for a filename -- the limit there is _POSIX_PATH_MAX = 255 per file name.

Normally when you need to issue a get/put command for several files you can do
mget/mput instead. mget/mput allows a wild card file specification. Normally when you want to use mget/mput you call ftp like this

Code:
ftp -i <nodename>

to suppress prompting for each file.
 

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SHCOMP(1)						       Korn shell utilities							 SHCOMP(1)

NAME
shcomp - compile a shell script SYNOPSIS
shcomp [ options ] [infile [outfile]] DESCRIPTION
Unless -D is specified, shcomp takes a shell script, infile, and creates a binary format file, outfile, that ksh can read and execute with the same effect as the original script. Since aliases are processed as the script is read, alias definitions whose value requires variable expansion will not work correctly. If -D is specified, all double quoted strings that are preceded by $ are output. These are the messages that need to be translated to locale specific versions for internationalization. If outfile is omitted, then the results will be written to standard output. If infile is also omitted, the shell script will be read from standard input. OPTIONS
[D dictionary] Generate a list of strings that need to be placed in a message catalog for internationalization. [n noexec] Displays warn- ing messages for obsolete or non-conforming constructs. [v verbose] Displays input from infile onto standard error as it reads it. EXIT STATUS
0 Successful completion. >0 An error occurred. SEE ALSO
ksh(1) IMPLEMENTATION
version shcomp (AT&T Research) 2003-03-02 author David Korn <dgk@research.att.com> copyright Copyright (c) 1982-2010 AT&T Intellectual Property license http://www.opensource.org/licenses/cpl1.0.txt 2003-03-02 SHCOMP(1)
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