Bash script + expect


 
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Old 08-06-2018
Bash script + expect

im very happy to back for this forum


I have servers with alias of double dns extentions:
sample:
servera.test.com
servera.test1.com


serverb.test.com
serverb.test1.com


I need to login to that severs and executing the set of commands


if test.com failed then try to login via test1.com


i'l create a bash script with expect and spawn but the issue is I cant able to do the if , else for giving the hostname with dns alias.


if anyone known, please help me on this ,after long and many years im starting my script knowledge.


thanks in advance.
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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)