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Convert XLS to CSV on command line

How could I convert an XLS file to a CSV file on the windows command line. 15 Answers ...
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How to assign the output of a command to a Makefile variable

... This simple example works. It also works with shell commands pipeline. But it is essential that you should use $$ to represent $ in the shell command – Sergey P. aka azure Oct 7 '14 at 9:12 ...
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Retrieve list of tasks in a queue in Celery

... In addition you can pipe this through grep -e "^celery\s" | cut -f2 to extract that 166 if you want to process that number later, say for stats. – jamesc Nov 1 '17 at 11:17 ...
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How to count items in JSON object using command line?

... can also use jq to track down the array within the returned json and then pipe that in to a second jq call to get its length. Suppose it was in a property called records, like {"records":[...]}. $ curl https://my-source-of-json.com/list | jq -r '.records' | jq length 2 $ ...
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What is the Linux equivalent to DOS pause?

... No, because tr would buffer its output as its a pipe, and non-US keyboards have keys that send characters outside the \1-\177 range. dd is the idiomatic way here. – Stephane Chazelas Jun 4 '14 at 20:51 ...
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send/post xml file using curl command line

... The format file=@- is helpful if you want to pipe your file in. – Steven Lu Jul 24 '13 at 6:28 2 ...
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How do I quickly rename a MySQL database (change schema name)?

... Using the piped version I get two "Enter password:" prompts like so: Enter password: Enter password: It seems to take one password, but not both. Am I missing a detail? – Ryan Jun 27 '14 at 7:5...
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java

...value of the AEROTWIST variable, or set it to an empty object. The double pipe || is an OR statement, and the second part of the OR is only executed if the first part returns false. Therefore, if AEROTWIST already has a value, it will be kept as that value, but if it hasn't been set before, then i...
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Copying PostgreSQL database to another server

... need for intermediate files - you may use compressed SSH tunnel or simply pipe: pg_dump | bzip2 | ssh "bunzip2 | pg_restore" – Kornel Aug 6 '09 at 12:46 4 ...
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)

I'm reading some automated weather data from the web. The observations occur every 5 minutes and are compiled into monthly files for each weather station. Once I'm done parsing a file, the DataFrame looks something like this: ...