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Topic: lowercase to UPPERCASE - On command line

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NewDude

Group: Members
Posts: 150
Joined: Feb. 2006

Posted: April 05 2006,16:11

This is for the total commandline geek...

Is there a way to change a group of files in a Linux directory from lowercase to uppercase....

As powerful as the command line is in Unix/Linux, I would think there was.

If not, I guess I need to write a script to do this?

I have PunBB running on my system, the styles are showing up in my browser. I read on their forum is could a lowercase thing. They suggested making the php, css files all uppercase.

safesys

Group: Members
Posts: 49
Joined: Mar. 2006

Posted: April 05 2006,17:21

Not sure on a single command, but heres a quick and dirty bash script to do it:

#!/bin/sh
for name in `ls`
do
mv $name `echo $name | tr 'a-z' 'A-Z'`
done

clacker

Group: Members
Posts: 570
Joined: June 2004

Posted: April 05 2006,17:54

safesys, you got it. You could put what you had on a single command line:

for i in `ls`;do mv $i `echo $i | tr 'a-z' 'A-Z'`;done

NewDude

Group: Members
Posts: 150
Joined: Feb. 2006

Posted: April 05 2006,20:12

Ok... Thanks to both of you guy for replying..

So I just type for i in `ls`;do mv $i `echo $i | tr 'a-z' 'A-Z'`; in the directory that has the lowercase files?

Isn't there a wildcard and I could use to change every file in that directory... I think there is 15 files in the root and other files in the other subdirectories...

O I see for i (array number is i) in 'ls'; saying every file using the ls command to list the files in the directory.. I know what echo is... i$ is the array number which points to the value in the array, (variable).. piped what is tr... some type of string maniplication function?

command line in Linux is powerful.. amazing.. I need to learn this stuff better...

safesys

Group: Members
Posts: 49
Joined: Mar. 2006

Posted: April 05 2006,21:16

don't forget you can use "man command" to get more info on specific commands

eg: man tr

Quote

NAME
tr - translate or delete characters

SYNOPSIS
tr [OPTION]... SET1 [SET2]

DESCRIPTION
Translate, squeeze, and/or delete characters from standard input,
writing to standard output.

8 replies since April 05 2006,16:11

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Damn Small Linux Board » Damn Small Linux » Other Help Topics » lowercase to UPPERCASE - On command line