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Full Discussion: awk to remove last two -*-*
Top Forums Shell Programming and Scripting awk to remove last two -*-* Post 302751917 by yanglei_fage on Saturday 5th of January 2013 12:19:39 AM
Old 01-05-2013
Quote:
Originally Posted by fuad_
Try this

Code:
$ cat filename | awk -F '-' '{$NF=""; $(NF-1)=""; print }' | sed 's/ /-/g' | sed 's/--$//g' | sed 's/>-/> /g'

Here how it works

Code:
$ cat filename | awk -F '-' '{$NF=""; $(NF-1)=""; print }' | sed 's/ /-/g' | sed 's/--$//g' | sed 's/>-/> /g' 

fq-bar-something-1.0-r1.src.rpm------> fq
fq-bar-xx-r1-rel.src.rpm------------> fq
fq-bar-ff-ver-11-rel.src.rpm----------> fq-bar


That doesn't get what I want. please see my expected ouput
 

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LEARN ABOUT FREEBSD

rpm2cpio

rpm2cpio(1)							   User Commands						       rpm2cpio(1)

NAME

       rpm2cpio - convert Red Hat Package (RPM) to cpio archive

SYNOPSIS

       rpm2cpio [file.rpm]

DESCRIPTION

       The  rpm2cpio  utility converts the .rpm file specified as its sole argument to a cpio archive on standard output. (See NOTES.) If no argu-
       ment is given, an rpm stream is read from standard input. In both cases, rpm2cpio will fail and print a usage message if the standard  out-
       put is a terminal. Therefore, the output is usually redirected to a file or piped through the cpio(1) utility.

EXAMPLES

       Example 1: Converting an rpm file

       example% rpm2cpio Device3Dfx-1.1-2.src.rpm | cpio -itv
       CPIO archive found!
       -rw-r--r--   1 root  root    2635 Sep 13 16:39 1998, 3dfx.gif
       -rw-r--r--   1 root  root   11339 Sep 27 16:03 1998, Dev3Dfx.tar.gz
       -rw-r--r--   1 root  root    1387 Sep 27 16:04 1998, Device3Dfx-1.1-2.spec
       31 blocks

       Example 2: Converting from standard input

       example% rpm2cpio < Device3Dfx-1.1-2.src.rpm | cpio -itv
       CPIO archive found!
       -rw-r--r--   1 root  root    2635 Sep 13 16:39 1998, 3dfx.gif
       -rw-r--r--   1 root  root   11339 Sep 27 16:03 1998, Dev3Dfx.tar.gz
       -rw-r--r--   1 root  root    1387 Sep 27 16:04 1998, Device3Dfx-1.1-2.spec
       31 blocks

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWrpm			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cpio(1), attributes(5)

NOTES

       rpm2cpio handles versions 3 and 4 RPMs.

SunOS 5.10							    20 Aug 2001 						       rpm2cpio(1)
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