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Shell Programming and Scripting

Remove special characters from string

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# 8  
Old 12-04-2008
Quote:
Originally Posted by radoulov
And what's wrong with Franklin52's solution?
Absolutely nothing, I was working on it while you posted this solution.
It looks great exept that as a newbie, I don't fully understand the syntax
Quote:
Originally Posted by radoulov
Code:
$ cat s
#! /bin/bash
tr 2>&- -d "$2"<<<"$1"

What is <<<? Is this a way of doing echo?
I understand the tr -d but what does 2>&- means?
redirect errors to &-? What is &-?
Thanks for your help.
Santiago
# 9  
Old 12-04-2008
Quote:
Originally Posted by chebarbudo
[...]
What is <<<? Is this a way of doing echo?
Here string. It's not available in all shells.
For more information search your shell manpages for Here Strings.

Quote:
I understand the tr -d but what does 2>&- means?
redirect errors to &-? What is &-?
2>&- closes the file descriptor 2. This is a bad practice and you should avoid it. My post was for illustration purposes only.
# 10  
Old 05-22-2009
Hi

I have the following string which contains -> symbol, i need to split this string into two strings using shell script in unix. can anyone help me out.

test_inbox123_link.txt->/home/pbommire/Praveen/kiran/inbox/test_inbox.txt

r
# 11  
Old 07-04-2009
Hi KiranKumarKarre,

Code:
localhost:~# string='test_inbox123_link.txt->/home/pbommire/Praveen/kiran/inbox/test_inbox.txt'
localhost:~# echo ${string%->*}
test_inbox123_link.txt
localhost:~# echo ${string#*->}
/home/pbommire/Praveen/kiran/inbox/test_inbox.txt

# 12  
Old 07-05-2009
Code:
echo "My name's Santiago. What's yours?" | tr -d "atu"
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