Solved

Lower to uppercase in Bourne shell

Posted on 2001-06-13
6
813 Views
Last Modified: 2013-12-26
Hi


In Bourne Shell I want in a script to be able to modify a string from lowercase to uppercase e.g. "test1" to "Test1".
Does any of you know which command I have to use and how to use it with pipes (e.g. echo test1 | <command> ) ??
Btw. It has to run under Solaris 2.x

Thanks!

Soren Larsen
0
Comment
Question by:stibo
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
6 Comments
 
LVL 5

Expert Comment

by:marecs
ID: 6185581
If you want to convert all characters from lc to uc then simply do
echo test1 |tr 'a-z' 'A-Z'

From your example it looks like you only want to uc the first letter. Then this will work

echo test1 | ( dd ibs=1 count=1 2>/dev/null | tr 'a-z' 'A-Z' ; cat )
under bash and sh

Maybe somebody else has a simpler solution.

Cheers
0
 

Author Comment

by:stibo
ID: 6186405
Thanks Marecs

It works. But as you self point out, I also would like to know if there is a simpler solution.

Regards.
0
 
LVL 14

Expert Comment

by:chris_calabrese
ID: 6186827
original_name=test1

all_but_first_char="${original_name#?}"
typeset -u upper_first_char="${original_name%$all_but_first_char}"
new_name="$upper_first_char$all_but_first_char"

print "$new_name"
0
Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 

Author Comment

by:stibo
ID: 6187858
Hi

Thanks for your answers, but I have not got the right answer yet, because:
Marecs, I can't get the "tr" command to work in Solaris 8 but it work alright in Solaris 2.6 ??!? When I run the "echo test1 |tr 'a-z' 'A-Z'" in sh, I get only "test1" as a result - no change in the output :-(

Chris: I want to do it in Bourne shell (sh). I guess you use perl ??

Thanks so far...
0
 
LVL 14

Accepted Solution

by:
chris_calabrese earned 100 total points
ID: 6187872
o The 'tr' bit doesn't work in Solaris 8 because it's using the stricter POSIX codings where a-z isn't a concept.   The correct tr command on Solaris 8 would be
  tr  '[:upper:]' '[:lower:]'

o That's POSIX shell and it works with /usr/bin/sh on Solaris 7.  Should work on 2.6 and 8 just fine too.
0
 

Author Comment

by:stibo
ID: 6188026
It work fine now. :-))

The following works:
echo test1 | ( dd ibs=1 count=1 2>/dev/null | tr '[:lower:]' '[:upper:]'; cat )

Result: Test1
That's what I was looking for.

Thanks all for your answers !!
0

Featured Post

MongoDB Through a MySQL Lens

This article looks at MongoDB and MySQL, and covers high-level MongoDB strengths, weaknesses, features, and uses from the perspective of an SQL user.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Introduction: Database storage, where is the exe actually on the disc? Playing a game selected randomly (how to generate random numbers).  Error trapping with try..catch to help the code run even if something goes wrong. Continuing from the seve…
In this post we will learn different types of Android Layout and some basics of an Android App.
This video will show you how to get GIT to work in Eclipse.   It will walk you through how to install the EGit plugin in eclipse and how to checkout an existing repository.
This is my first video review of Microsoft Bookings, I will be doing a part two with a bit more information, but wanted to get this out to you folks.

623 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question