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Full Discussion: how to get rid of all chars after the last decimal points
Top Forums Shell Programming and Scripting how to get rid of all chars after the last decimal points Post 302531507 by Franklin52 on Friday 17th of June 2011 03:52:46 AM
Old 06-17-2011
Quote:
Originally Posted by rluo
Code:
# uname -a
SunOS 5.10 Generic_144488-06 sun4u sparc SUNW,Sun-Fire-V240
@:/opt/tools>
# echo "192.168.2.1.8088" | awk -F"." '{for(i=1;i<NF;i++) printf("%s%s",$i,i==NF-1?"\n":".")}'
awk: syntax error near line 1
awk: illegal statement near line 1

Why should you use a external command if this is suffice?
Code:
string="192.168.2.1.8088"
string=${string%.*}

 

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LEARN ABOUT OPENSOLARIS

sun

machid(1)							   User Commands							 machid(1)

NAME

       machid, sun, iAPX286, i286, i386, i486, i860, pdp11, sparc, u3b, u3b2, u3b5, u3b15, vax, u370 - get processor type truth value

SYNOPSIS

       sun

       iAPX286

       i386

       pdp11

       sparc

       u3b

       u3b2

       u3b5

       u3b15

       vax

       u370

DESCRIPTION

       The following commands will return a true value (exit code of 0) if you are using an instruction set that the command name indicates.

       sun	  True if you are on a Sun system.

       iAPX286	  True if you are on a computer using an iAPX286 processor.

       i386	  True if you are on a computer using an iAPX386 processor.

       pdp11	   True if you are on a PDP-11/45tm or PDP-11/70tm.

       sparc	  True if you are on a computer using a SPARC-family processor.

       u3b	  True if you are on a 3B20 computer.

       u3b2	  True if you are on a 3B2 computer.

       u3b5	  True if you are on a 3B5 computer.

       u3b15	  True if you are on a 3B15 computer.

       vax	  True if you are on a VAX-11/750tm or VAX-11/780tm.

       u370	  True if you are on an IBM(R) System/370tm computer.

       The  commands  that  do	not  apply will return a false (non-zero) value. These commands are often used within makefiles (see make(1S)) and
       shell scripts (see sh(1)) to increase portability.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       make(1S), sh(1), test(1), true(1), uname(1), attributes(5)

NOTES

       The machid family of commands is obsolete. Use uname -p and uname -m instead.

SunOS 5.11							    5 Jul 1990								 machid(1)
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