04-10-2008
using sed to get rid of duplicated columns...
I can not figure out this one, so I turn to unix.com for help, I have a file, in which there are some lines containing continuously duplicate columns, like the following
adb abc abc asd adfj
123 123 123 345
234 444 444 444 444 444 23
and the output I want is
adb abc asd adfj
123 345
234 444 23
Is it possible using sed to do this?
oh, btw, I thought this should work,
sed 's/(\([^ ]\)+ )+/\1/' file , but it does not...
Last edited by fedora; 04-10-2008 at 04:53 PM..
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adb(1) User Commands adb(1)
NAME
adb - general-purpose debugger
SYNOPSIS
adb [-kw] [-I dir] [-P prompt] [-V mode] [ object [ core]]
DESCRIPTION
The adb utility is an interactive, general-purpose debugger. It can be used to examine files and provides a controlled environment for the
execution of programs.
The adb utility is now implemented as a link to the mdb(1) utility in Solaris 9. mdb(1) is a low-level debugging utility that can be used
to examine user processes as well as the live operating system or operating system crash dumps. The new mdb(1) utility provides complete
backwards compatibility with the existing syntax and features of adb, including support for processing adb macro files. The Solaris Modular
Debugger Guide and mdb(1) man page describes the features of mdb, including its adb compatibility mode. This mode will be activated by
default when the adb link is executed.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWmdb |
+-----------------------------+-----------------------------+
SEE ALSO
mdb(1), attributes(5)
Solaris Modular Debugger Guide
SunOS 5.10 19 Aug 2003 adb(1)