awk - CSV file - field with single or multiple spaces Post: 302933146

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How to avoid the truncating of multiple spaces into a single space while reading a line from a file?

consider the small piece of code while read line do echo $line done < example content of example file sadasdasdasdsa erwerewrwr ergdgdfgf rgerg erwererwr the output is like sadasdasdasdsa erwerewrwr ergdgdfgf rgerg erwererwr the...

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csv file field needs to be changed current system date with awk

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How to translate multiple spaces into a single space using tr command?

I am trying to read a txt file and trying to translate multiples spaces into single spaces so the file is more organized, but whenever I try the command: tr ' ' ' ' w.txt The output is: tr: extra operand `w.txt' Try `tr --help' for more information. Can someone please help? :wall: ...

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Hi, Input 7488 7389 chr1.fa chr1.fa 3546 9887 chr5.fa chr9.fa 7387 7898 chrX.fa chr3.fa 7488 7389 chr21.fa chr3.fa 7488 7389 chr1.fa chr1.fa 3546 9887 chr9.fa chr5.fa 7898 7387 chrX.fa chr3.fa Desired Output 7488 7389 chr1.fa chr1.fa 2 3546 9887 chr5.fa chr9.fa 2...

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mongoexport

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

       Copyright 2007-2009 10gen

SEE ALSO

       For more information, please refer to the MongoDB wiki, available at http://www.mongodb.org.

AUTHOR

       Kristina Chodorow

10gen								     June 2009							    MONGOEXPORT(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to avoid the truncating of multiple spaces into a single space while reading a line from a file?

Discussion started by: Kesavan

2. Shell Programming and Scripting

csv file field needs to be changed current system date with awk

Discussion started by: raghavendra.nsn

3. UNIX for Dummies Questions & Answers

How to translate multiple spaces into a single space using tr command?

Discussion started by: Nonito84

4. Shell Programming and Scripting

Awk match multiple columns in multiple lines in single file

Discussion started by: jacobs.smith