Split file into separate files using pattern

Question

I need to split a file (see sample) into separate files. Each new file shall inherit the name in line 7 i.e. SAMPLE1.txt, SAMPLE2.txt etc.

@File_Version: 4
@Coordinate_Type_is: 1
@Export_Type_is: 1
@Number_of_P: 1
@T_Type_Name: , 
#File_Version____________-> 4
#Name____________-> SAMPLE1
#Type____________-> 3

#End_of_file_header
    000000.00000    0000000.00000   0000.00000
    000000.00000    0000000.00000   0000.00000
...
EOD

@File_Version: 4
@Coordinate_Type_is: 1
@Export_Type_is: 1
@Number_of_P: 1
@T_Type_Name: , 
#File_Version____________-> 4
#Name____________-> SAMPLE2
#Type____________-> 3

#End_of_file_header
    000000.00000    0000000.00000   0000.00000
    000000.00000    0000000.00000   0000.00000
...
EOD

@File_Version: 4
@Coordinate_Type_is: 1
@Export_Type_is: 1
@Number_of_P: 1
@T_Type_Name: , 
#File_Version____________-> 4
#Name____________-> SAMPLE3
#Type____________-> 3

#End_of_file_header
    000000.00000    0000000.00000   0000.00000
    000000.00000    0000000.00000   0000.00000
...
EOD

thanks. it was not obvious where I can edit the format.

akura
– akura

2016-09-19 11:48:03 +00:00
Commented Sep 19, 2016 at 11:48 — akura
– akura, Commented Sep 19, 2016 at 11:48
See formatting tools.

terdon
– terdon ♦

2016-09-19 11:50:18 +00:00
Commented Sep 19, 2016 at 11:50 — terdon
– terdon ♦, Commented Sep 19, 2016 at 11:50

terdon · Accepted Answer · 2016-09-19 12:01:49Z

You could do this with awk:

awk '{
        if(/@File_Version:/){k=$0;}
        else{k=k"\n"$0}
     } 
    /^#Name/{n=$2}
    /EOD/{
        print k > n".txt"; 
    }' file

Explanation

if(/^@File_Version:/){k=$0;} : if this line starts with @File_Version:, save the line as k.
else{k=k"\n"$0} : for all other lines, add a newline (\n) followed by the current line to the current value of k.
/^#Name/{n=$2} : if this line starts with #Name, set the variable n to the second field (the name).
/^EOD/{print k > n".txt";} : if this line starts with EOD, print the variable k (which now contains the entire record) into a file called n.txt where n is the name saved in the previous step.

netmonk · Accepted Answer · 2016-09-19 12:37:13Z

1

awk '/#Name/{ x=$NF;  }; /#End_of_file_header/,/EOD/{ print > x} '  test1

If line start by #name, x store the last word of the line. Then for all block delimited by #End_of_file_header and EOD i print the lines into a file which name is content of x

This one will skip the file header to only store data into the file.

answered Sep 19, 2016 at 12:37

netmonk

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