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Full Discussion: New line in Echo command
Top Forums UNIX for Dummies Questions & Answers New line in Echo command Post 302870113 by scott_cog on Friday 1st of November 2013 09:18:40 AM
Old 11-01-2013
Hi bakunin, that was an neat and clear explanation, really appreciate your help.

But am not that good in sed, so some how i have manged to understand whats the sed is doing in ur command.

But, still am getting error that it cannot be parsed to sed. Smilie .

Based on the If loop,
Code:
Var_name="This is first line.<br />This is second line.<br />This is third line."

sed: Function s/searchstring/This is first line.<br />This is second line.<br />This is third line./g cannot be parsed.

Modification as per your suggestion :
Code:
search="search_string"
Var_name="This is first line.<br />This is second line.<br />This is third line."
search="$(echo $search | sed 's/\//\\&/')"
replace="$(echo "$Var_name" | sed 's/\//\\&/')"
sed 's/'"${search}"'/'"${replace}"'/g' | sed 's/search/replace/g' > tmp_file

Please let me know what mistake am doing ?

---------- Post updated at 08:18 AM ---------- Previous update was at 07:22 AM ----------

Thanks Scrutinizer, That helps and fixed the issue as well perfectly. But am not able to find your post online, i got the mail, but am not able to find it here. I really want to thank you.
It may sound little weird, but am not able to see your reply.

I really appreciate the help from Scott and
Scrutinizer.


Last edited by scott_cog; 11-01-2013 at 10:09 AM..
 

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learn(1)						      General Commands Manual							  learn(1)

NAME
learn - Provides computer-aided instruction for the C shell SYNOPSIS
learn [-directory] [subject] [lesson] The learn command provides computer-aided instruction courses and practice in the use of Tru64 UNIX. OPTIONS
Allows you to exercise a script in a nonstandard place. DESCRIPTION
To get started, enter learn; if this is the first time that you are invoking the learn command, you are guided through a series of ques- tions to determine what type of instruction you want to receive. If you have used learn before and left your last session without completing a subject, the program uses information in $HOME/.learnrc to start you up in the same place you left off. To bypass questions, enter a subject or lesson. In order to enter a lesson, you must know the lesson number that you received in a previ- ous learn command session. If you do not know the lesson number, enter the lesson number as a subject. The learn command searches for the first lesson containing the subject you specified. If the lesson is a - (dash), learn prompts for each lesson; this is useful for debug- ging. You can specify the following subjects: files editor vi morefiles macros eqn C SUBCOMMANDS
There are a few special commands. The bye command terminates a learn session, and the where command tells you of your progress (where m tells you more.) The again command redisplays the text of the lesson and again lesson lets you review lesson. The hint command prints the last part of the lesson script used to evaluate a response, while hint m prints the entire lesson script. This is useful for debugging lessons and might possibly give you an idea about what is expected. EXAMPLES
To take the online lesson about files, enter: learn files You are then prompted for further input. FILES
Playpen directories. Start-up information. SEE ALSO
Commands: csh(1), ex(1) learn(1)
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