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Full Discussion: Interactive script to give user option of what text to add
Top Forums Shell Programming and Scripting Interactive script to give user option of what text to add Post 302523340 by marcozd on Wednesday 18th of May 2011 01:27:22 PM
Old 05-18-2011
Question Interactive script to give user option of what text to add
Hello all,

I have created a script that will remove the first two lines of one text file (body.txt) and then add the text from a different text file (header.txt) directly to the beginning of the freshly modified body.txt file. It is as follows:

Code:
#!/bin/bash

## This script will add a header to the text file generated from the ChemCraft program.  
## Make sure you have modified the header template files to your specific needs!

sed '1,2d' body.txt >tmp && mv tmp body.txt
cat /home/$USER/header.txt body.txt >tmp && mv tmp body.txt

I want to add the option to this script of letting the user choose which header to add. Let us say that there are four possible headers that one could add i.e. head1.txt, head2.txt, head3.txt and head4.txt and that these files are all located in /home/$USER/.

How would I go about modifying my script in such a way to so that the user would be prompted to chose one of these i.e., when they run the script, they get and must choose either the number 1, 2, 3 or 4.

Code:
Please chose the header you want to add:
1. head1.txt
2. head2.txt 
3. head3.txt
4. head4.txt

Once the user has chosen the number, then the script runs and uses the one that they chose, rather than the specific one I have in my file. I would also like it if the only values the numbers 1 through 4 would be accepted.

thanks
 

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LEARN ABOUT REDHAT

pdbtxt2html

pdbtxt2html(1)						      General Commands Manual						    pdbtxt2html(1)

NAME

       pdbtxt2html - Doc Text to HTML converter for Palm Pilots

SYNOPSIS

       pdbtxt2html [ -t ] file.txt [ file.html ]
       pdbtxt2html -v

DESCRIPTION

       pdbtxt2html converts text converted from a Doc(4) file via txt2pdbdoc(1) to HTML.  If no HTML filename is given, the generated HTML is sent
       to standard output.

   Document Title
       The first line of the file is used for the HTML document title.

   Bookmarks
       The last line of the file is examined and, if it contains a string enclosed between < and >, that is taken to be the bookmark marker.   The
       entire file is then scanned looking for lines beginning with it (ignoring leading whitespace).  These lines are converted to HTML headings.

       The  number  of whitespace characters after the first bookmark marker is used for heading level 1.  The level of subsequent headings is set
       to the number of whitespace characters between the bookmark marker and the bookmark text minus the number for the first bookmark plus one.

   Embedded URLs
       Valid URLs (according to RFC 1630) embedded in the text are turned into hyperlinks.  The ftp, gopher, http, https,  mailto,  news,  telnet,
       and wais URLs are recognized.

OPTIONS

       -t   Compile a table of contents and insert it between the first heading and the body.

       -v   Print the version number to standard output and exit.

EXAMPLE

       To convert a Doc file to HTML:

	    txt2pdbdoc alice.pdb alice.txt
	    pdbtxt2html alice.txt alice.html

SEE ALSO

       html2pdbtxt(1), txt2pdbdoc(1), doc(4), pdb(4)

       Tim Berners Lee.  Universal Resource Identifiers in WWW, Network Working Group of the Internet Engineering Task Force, June 1994.
	    http://info.internet.isi.edu/in-notes/rfc/files/rfc1630.txt

AUTHOR

       Paul J. Lucas <pauljlucas@mac.com>

txt2pdbdoc							 January 21, 2005						    pdbtxt2html(1)
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