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Full Discussion: Using SED to extract a word or string.
Top Forums Shell Programming and Scripting Using SED to extract a word or string. Post 302592991 by simpletech369 on Wednesday 25th of January 2012 11:20:58 AM
Old 01-25-2012
Using SED to extract a word or string.
I am working with the ksh shell in HP UNIX and I am attempting to extract a word, beginning with a particular string and ending at the first space. for example I want to extract the word or string MS_RECENT_ACTIVITY from the following string

" This has been entered in MS_RECENT_ACTIVITY the table that was last "

I have tried to use the SED string with the following

Code:
echo " This has been entered in MS_RECENT_ACTIVITY the table that was last " |sed -n 's/.*\([Mm][Ss]_.*\).*/\1/p'

The results are
Quote:
MS_RECENT_ACTIVITY the table that was last
How can I only get "MS_RECENT_ACTIVITY" extracted always starting with the " MS_" and ending at the first following blank or space using SED? The wording following will not be constant as the string will not always be "the table that..." I am attempting to avoid using a pipe to awk to print the first word.

Thank you for your assistance.
Last edited by simpletech369; 01-25-2012 at 12:26 PM..
 

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LEARN ABOUT MOJAVE

vconsole.conf

VCONSOLE.CONF(5)                                                   vconsole.conf                                                  VCONSOLE.CONF(5)

NAME

       vconsole.conf - configuration file for the virtual console

SYNOPSIS

       /etc/vconsole.conf

DESCRIPTION

       The /etc/vconsole.conf file configures the virtual console, i.e. keyboard mapping and console font.

       The basic file format of the vconsole.conf is a newline-separated list environment-like shell-compatible variable assignments. It is
       possible to source the configuration from shell scripts, however, beyond mere variable assignments no shell features are supported,
       allowing applications to read the file without implementing a shell compatible execution engine.

       Note that the kernel command line options vconsole.keymap=, vconsole.keymap.toggle=, vconsole.font=, vconsole.font.map=,
       vconsole.font.unimap= may be used to override the console settings at boot.

       Depending on the operating system other configuration files might be checked for configuration of the virtual console as well, however only
       as fallback.

OPTIONS

       The following options are understood:

       KEYMAP=, KEYMAP_TOGGLE=
           Configures the key mapping table of for they keyboard.  KEYMAP= defaults to us if not set. The KEYMAP_TOGGLE= can be used to configured
           a second toggle keymap and is by default unset.

       FONT=, FONT_MAP=, FONT_UNIMAP=
           Configures the console font, the console map and the unicode font map.  FONT= defaults to latarcyrheb-sun16.

EXAMPLE

       Example 1. German keyboard and console

       /etc/vconsole.conf:

           KEYMAP=de-latin1
           FONT=latarcyrheb-sun16

SEE ALSO

       systemd(1), loadkeys(1), setfont(8), locale.conf(5)

AUTHOR

       Lennart Poettering <lennart@poettering.net>
           Developer

systemd                                                             10/07/2013                                                    VCONSOLE.CONF(5)
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