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Top Forums Shell Programming and Scripting perl : number to date conversion in CSV file Post 302702731 by binlib on Tuesday 18th of September 2012 07:02:10 PM
Old 09-18-2012
If you don't need to deal with dates outside the unix time (68 years around 1970), the excel module is an overkill. You can just shift the days by 70 years (70*365.25+1):
Code:
perl -MPOSIX -ple's/^\d{5}/strftime("%a %m\/%d\/%Y",gmtime(86400*($&-25569)))/e' csvfile

 

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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
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)
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