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ordering a data file

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# 1  
Old 03-26-2010
ordering a data file
With an input file like this:
Quote:
_1.012E+01_2.102E+04_3.222E+03_4.100E+02
-1.144E+02-2.489E-02_5.444E+01-3.122E-03
-3.566E+00_7.455E+04-4.326E+03_7.834E+00
How can I get an output like this?

Quote:
_1.102E+01
_2.102E+04
_3.222E+03
_4.100E+02
-1.144E+02
-2.489E-02
...
7.834E+00
(In the quoted examples, the "_" sign represents an empty space)

Note that there are some minus signs and no spaces, in the example above the first character of the first line is an empty space, so each number spans 10 characters.
With the command cut -c1-10 I can get the correct numbers but only the first column of the input file, and I don't know how to reorder the numbers.
Any suggestions?
# 2  
Old 03-26-2010
One way:
Code:
sed 's/\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)/\1\n\2\n\3\n\4/' file

# 3  
Old 03-26-2010
It worked perfectly.
Thanks Franklin52!
# 4  
Old 03-27-2010
Hi Franklin,

It will be great if you explain your sed command execution.
# 5  
Old 03-27-2010
Quote:
Originally Posted by Jairaj
Hi Franklin,

It will be great if you explain your sed command execution.
Code:
sed 's/\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)/\1\n\2\n\3\n\4/' file

The command has 4 patterns of ten characters:
Code:
\(.\{10\}\)

and prints a newline between each pattern:
Code:
\1\n\2\n\3\n\4

# 6  
Old 03-27-2010
If Franklin52's solution fails for anyone trying it, it's because the \n escape sequence in replacement text is an extension not supported by all implementations. If your implementation (like mine) does not support it, you need to use a backslash immediately prior to a newline to get the newline in there. Just mentioning it in case someone finds themselves scratching their head Smilie

Code:
$ sed 's/\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)/\1\n\2\n\3\n\4/' data
_1.012E+01n_2.102E+04n_3.222E+03n_4.100E+02
-1.144E+02n-2.489E-02n_5.444E+01n-3.122E-03
-3.566E+00n_7.455E+04n-4.326E+03n_7.834E+00

$ sed -e 's/\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)\(.\{10\}\)/\1\      
> \2\
> \3\
> \4/' data
_1.012E+01
_2.102E+04
_3.222E+03
_4.100E+02
-1.144E+02
-2.489E-02
_5.444E+01
-3.122E-03
-3.566E+00
_7.455E+04
-4.326E+03
_7.834E+00

A slightly different approach:
Code:
sed 's/\(.\{10\}\)/\1\
/g; s/\n$//' data

Have a nice weekend,
Alister
# 7  
Old 03-27-2010
Code:
awk '{for (i=1;i<=NF;i++) $i=((i-1)%10?X:"\n") $i} {printf $0}' FS="" OFS="" urfile
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