Selected matching lines Post: 302898876

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Top Forums Shell Programming and Scripting Selected matching lines Post 302898876 by wisecracker on Thursday 24th of April 2014 04:09:06 PM

04-24-2014

Registered User

Longhand using __builtins__ only, OSX 10.7.5, default bash terminal...

Code:

#!/bin/bash
# line_select.sh
echo '1
3
5
9
23
30' > /tmp/line_file.txt
echo '1|we are the world|good|great
2|easily do this by highlighting you|easily do this by highlighting you|easily do this by highlighting you
3|itles when posting. For exam|itles when posting. For exam|itles when posting. For exam
7|itles when posting. For examitles when posting. For exam|itles when posting. For exam
9|itles when posting. For exam|itles when posting. For exam|itles when posting. For exam' > /tmp/content_file.txt
> /tmp/combined_file.txt
ifs_str="$IFS"
while read line
do
	while read text
	do
		IFS='|'
		textarray=($text)
		if [ "$line" == "${textarray[0]}" ]
		then
			IFS=$'\n'
			echo "${text[0]}" >> /tmp/combined_file.txt
			break
		fi
	done < /tmp/content_file.txt
done < /tmp/line_file.txt
cat < /tmp/combined_file.txt
echo "Done..."
IFS="$ifs_str"
exit 0

Results:-

Code:

Last login: Thu Apr 24 21:01:44 on ttys000
AMIGA:barrywalker~> chmod 755 line_select.sh
AMIGA:barrywalker~> ./line_select.sh
1|we are the world|good|great
3|itles when posting. For exam|itles when posting. For exam|itles when posting. For exam
9|itles when posting. For exam|itles when posting. For exam|itles when posting. For exam
Done...
AMIGA:barrywalker~> _

Last edited by wisecracker; 04-24-2014 at 05:38 PM.. Reason: Add the break command, copy and paste error by me.

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LEARN ABOUT BSD

pnews

PNEWS(1)						      General Commands Manual							  PNEWS(1)

NAME

       Pnews - a program for posting news articles

SYNOPSIS

       Pnews newsgroup title
	 or
       Pnews -h headerfile [oldarticle]
	 or
       Pnews

DESCRIPTION

       Pnews  is  a  friendly  interface for posting news articles.  It will ask several questions, then allow you to enter your article, and then
       post it using the inews(1) program.  If you type h and a carriage return at any point, Pnews will tell you what it wants to know.

       The -h form is used when invoked from rn.  If your editor can edit multiple files, and you want the article to which you  are  replying	to
       show up as an alternate file, define the environment variable NEWSPOSTER as "Pnews -h %h %A".  You can also modify the the NEWSHEADER envi-
       ronment variable to change the header file that rn passes to Pnews.

ENVIRONMENT

       AUTHORCOPY
	       If defined, contains the name of a file to which the finished article will be appended.

	       Default: article not saved

       DOTDIR  Where to find your dot files, if they aren't in your home directory.  This is primarily for accounts which are shared by more  than
	       one person.

	       Default: $HOME

       EDITOR  The editor you want to use, if VISUAL is undefined.

	       Default: whatever your news administrator installed, usually vi.

       HOME    Your home directory.

	       Default: $LOGDIR

       LOGDIR  Your home directory if HOME is undefined.

       LOGNAME Your login name, if USER is undefined.

	       Default: value of "whoami".

       NAME    Your full name.

	       Default: name from /etc/passwd, or ~/.fullname.

       ORGANIZATION
	       Either the name of your organization, or the name of a file containing the name of your organization.

	       Default: whatever your news administrator chose.

       USER    Your login name.

	       Default: $LOGNAME

       VISUAL  The editor you want to use.

	       Default: $EDITOR

FILES

       $DOTDIR/.article
       ~/dead.article

SEE ALSO

       rn(1), Rnmail(1), inews(1)

DIAGNOSTICS

BUGS

       Not the speediest program in the world, but maybe that's a blessing to the net.

								       LOCAL								  PNEWS(1)

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