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remove spaces btw

 
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# 1  
Old 05-15-2008
remove spaces btw
filename contains:

123 4
1234 5
12345 689

i want result:
1234
12345
12345679

cat filename | awk '{print $1, $2, $3}' will get my result, but too many $$s.

sed -e 's/[ ]//g' filename will take care one space, [ ] will take 2 spaces.

is it a short way to do this ?
# 2  
Old 05-15-2008
Code:
awk '{gsub(" ","")}1' file

Regards
# 3  
Old 05-15-2008
i am new to unix world. if you don't mind, would you please explain the syntax.

many thanks to you, and this site.
# 4  
Old 05-15-2008
Quote:
Originally Posted by tjmannonline
sed -e 's/[ ]//g' filename will take care one space, [ ] will take 2 spaces.

is it a short way to do this ?
Code:
sed 's/  *//g' file

# 5  
Old 05-15-2008
Quote:
Originally Posted by tjmannonline
i am new to unix world. if you don't mind, would you please explain the syntax.

many thanks to you, and this site.
The gsub function substitutes all spaces with nothing and awk evaluates the 1 as true and prints the entire line.

Regards
# 6  
Old 05-15-2008
Code:
tr -d ' ' <file

tr replaces characters with other characters, or, with the -d option, with nothing.
# 7  
Old 05-15-2008
sed -e 's/ //g' filename

I like the awk response. ta.
 
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