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sed - simple question

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# 1  
Old 03-28-2007
sed - simple question
Hello

My file looks like that =>

12.56 have then 7888778.2566 what 44454.54545
878787.66565 if else 4445.54545455

I want to change all '.' on ',' .
I'm trying to do it with sed but I don't know chow to build regular expression to
change 454.4466 on 454,4466 ?
# 2  
Old 03-28-2007
tr '.' ',' < infile > outfile
# 3  
Old 03-28-2007
Code:
sed 's/\./,/g'

Got to put a backslash before "." to indicate an actual dot.
# 4  
Old 03-29-2007
wrong answer ..
sed 's/\./,/g' - the command change all '.' on ',' in the file , but I want change
only dots in numbers .
# 5  
Old 03-29-2007
Code:
sed 's/[0-9]\.[0-9]/,/g' filename

# 6  
Old 03-29-2007
Quote:
Originally Posted by scotty_123
sed 's/\./,/g' - the command change all '.' on ',' in the file , but I want change
only dots in numbers .
Code:
sed -e "s/\([0-9]\)\./\1,/g" -e "s/\.\([0-9]\)/,\1/g" file

# 7  
Old 03-29-2007
Quote:
Originally Posted by jacoden
Code:
sed 's/[0-9]\.[0-9]/,/g' filename

This will remove numbers before and after dot
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