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Shell Programming and Scripting

Removing spaces from string

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# 1  
Old 03-18-2009
Removing spaces from string
I want a user to be able to paste in a string like "01 3F 20 1F" and have the script reformat it to "013F201F" to pass it on to the next step.

I was trying to figure it out with awk but wasnt working well.


Never mind, found answer. did not know about tr Smilie
Last edited by ippy98; 03-18-2009 at 07:46 AM.. Reason: found answer
# 2  
Old 03-18-2009
use sed..

$ echo "01 3F 20 1F" | sed 's/ //g'
013F201F

found the answer by yourself thats good.....
Last edited by Whiteboard; 03-18-2009 at 08:00 AM..
# 3  
Old 03-18-2009
You can do something like this--

Code:
echo "01 3F 20 1F" | tr -d " "

# 4  
Old 03-18-2009
Code:
# a="01 3F 20 1F"
# echo ${a// /}
013F201F

# 5  
Old 03-18-2009
Bug
just another way Smilie
Code:
echo "A B C E"|awk '/ /{gsub(" ","")}1'

# 6  
Old 03-19-2009
Quote:
Originally Posted by vidyadhar85
just another way Smilie
Code:
echo "A B C E"|awk '/ /{gsub(" ","")}1'

Code:
# echo "A B C E"| awk '$1=$1' OFS=""
ABCE

# 7  
Old 03-19-2009
Quote:
Originally Posted by ghostdog74
Code:
# echo "A B C E"| awk '$1=$1' OFS=""
ABCE

this won't work for the below case Smilie
Code:
 
fnsonlu1-/home/fnsonlu1> echo "A   VB        CV"| awk '$1=$1' OFS=""
A   VB        CV
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