I really appreciate your help!
However, the file is from human genome sequencing (>1G, too large).
I found some other way to do it. Not with Unix. But in R. Although not so efficient.
Anyway, thanks again.
Quote:
Originally Posted by sunny651
Code:
-bash-3.00$ grep --version
grep (GNU grep) 2.5.1
Copyright 1988, 1992-1999, 2000, 2001 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-bash-3.00$
-bash-3.00$ whereis grep
grep: /bin/grep /usr/share/man/man1/grep.1.gz /usr/share/man/man1p/grep.1p.gz
-bash-3.00$ ldd /bin/grep
libpcre.so.0 => /lib/libpcre.so.0 (0x00b17000)
libc.so.6 => /lib/tls/libc.so.6 (0x009c1000)
/lib/ld-linux.so.2 (0x009a8000)
-bash-3.00$
-bash-3.00$ cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant)
-bash-3.00$ bash --version
GNU bash, version 3.00.15(1)-release (i386-redhat-linux-gnu)
Copyright (C) 2004 Free Software Foundation, Inc.
-bash-3.00$
That is my grep version.
You can upload your xxx.txt file if possible for us to test, or check the format of that file.
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LEARN ABOUT POSIX
libbash
LIBBASH(7) libbash Manual LIBBASH(7)NAME
libbash -- A bash shared libraries package.
DESCRIPTION
libbash is a package that enables bash dynamic-like shared libraries. Actually its a tool for managing bash scripts whose functions you may
want to load and use in scripts of your own.
It contains a 'dynamic loader' for the shared libraries ( ldbash(1)), a configuration tool (ldbashconfig(8)), and some libraries.
Using ldbash(1) you are able to load loadable bash libraries, such as getopts(1) and hashstash(1). A bash shared library that can be loaded
using
ldbash(1) must answer 4 requirments:
1. It must be installed in $LIBBASH_PREFIX/lib/bash (default is /usr/lib/bash).
2. It must contain a line that begins with '#EXPORT='. That line will contain (after the '=') a list of functions that the library
exports. I.e. all the function that will be usable after loading that library will be listed in that line.
3. It must contain a line that begins with '#REQUIRE='. That line will contain (after the '=') a list of bash libraries that are
required for our library. I.e. every bash library that is in use in our bash library must be listed there.
4. The library must be listed (For more information, see ldbashconfig(8)).
Basic guidelines for writing library of your own:
1. Be aware, that your library will be actually sourced. So, basically, it should contain (i.e define) only functions.
2. Try to declare all variables intended for internal use as local.
3. Global variables and functions that are intended for internal use (i.e are not defined in '#EXPORT=') should begin with:
__<library_name>_
For example, internal function myfoosort of hashstash library should be named as
__hashstash_myfoosort
This helps to avoid conflicts in global name space when using libraries that come from different vendors.
4. See html manual for full version of this guide.
AUTHORS
Hai Zaar <haizaar@haizaar.com>
Gil Ran <ril@ran4.net>
SEE ALSO ldbash(1), ldbashconfig(8), getopts(1), hashstash(1)colors(1)messages(1)urlcoding(1)locks(1)Linux Epoch Linux
02-15-2009
I am sorry that my computer is Red Hat Enterprise Linux AS release 4. not FC9. I mistaken it...