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Full Discussion: How to Dump data into CSV file which is Separate by <tab>?
Top Forums UNIX for Beginners Questions & Answers How to Dump data into CSV file which is Separate by <tab>? Post 303032616 by Don Cragun on Thursday 21st of March 2019 04:18:36 AM
Old 03-21-2019
In case your column count isn't always two or the row count isn't the same in all columns, you could also try:
Code:
awk '
BEGIN {	ncol = row = 0
}
/^$/ {	ncol++
	if(row > maxrow)
		maxrow = row
	row = 0
	next
}
{	d[row++, ncol] = $0
}
END {	if(row > maxrow)
		maxrow = row
	for(row = 0; row < maxrow; row++)
		for(col = 0; col <= ncol; col++)
			printf("%s%s", d[row, col],
			    (col == ncol) ? "\n" : "\t")
}' file

which with your sample input file produces the output:
Code:
ABC	XYZ
PQR	ASD

And, if given an input file that contains:
Code:
ABC
PQR
c0r2

XYZ
ASD
c1r2
c1r3

c2r0
c2r1
c2r2
c2r3
c2r4

produces the output:
Code:
ABC	XYZ	c2r0
PQR	ASD	c2r1
c0r2	c1r2	c2r2
	c1r3	c2r3
		c2r4

If someone else wants to try this on a Solaris/SunOS system, change awk in the code above to /usr/xpg4/bin/awk or nawk.
These 2 Users Gave Thanks to Don Cragun For This Post:
nezabudka Shubham1182
 

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MONGOEXPORT(1)							  Mongo Database						    MONGOEXPORT(1)

NAME

       mongoexport - the Mongo export tool

SYNOPSIS

       mongoexport [OPTIONS]

DESCRIPTION

       mongoexport  is a tool to export a MongoDB collection to either JSON or CSV. The query can be filtered or a list of fields to output can be
       given.

       If the output is CSV, the fields must be specified in order.

EXAMPLES

       mongoexport -d test -c test1 --csv -f name,num
	      export documents from test.test1 in CSV format

OPTIONS

       --help show usage information

       -h, --host HOST
	      server to connect to (default HOST=localhost)

       -d, --db DATABASE
	      database to use

       -c, --c COLLECTION
	      collection to use

       -q, --query QUERY
	      query filter

       -f, --fields FIELDS
	      comma-separated list of field names

       --csv  export to CSV instead of JSON

       -o, --out FILE
	      output file, if not specified, stdout is used

       --dbpath PATH
	      directly access mongod data files in this path, instead of connecting to a mongod instance

COPYRIGHT

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SEE ALSO

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AUTHOR

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