Text processing/2: Difference between revisions

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The following task concerns data that came from a pollution monitoring station with twenty-four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 fields separated by white-space, which can be one or more space or tab characters.

The following data shows a few lines from the file readings.txt (as used in the [[Data Munging]] task).

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The data ~~comes~~ from a pollution monitoring station with twenty four instruments monitoring twenty-four aspects of pollution in the air. Periodically a record is added to the file, each record being a line of 49 ~~white-space~~ separated ~~fields, where~~ white-space can be one or more space or tab characters.

The fields (from the left) are:

DATESTAMP [ VALUEn FLAGn ] * 24

i.e. a datestamp followed by twenty four repetitions of a floating-point instrument value and that instrument's associated integer flag. Flag values are >= 1 if the instrument is working and < 1 if there is some problem with ~~that instrument~~, in which case that instrument's value should be ignored.

i.e. a datestamp followed by twenty-four repetitions of a floating-point instrument value and that instrument's associated integer flag. Flag values are >= 1 if the instrument is working and < 1 if there is some problem with it, in which case that instrument's value should be ignored.

A sample from the full data file [http://rosettacode.org/resources/readings.zip readings.txt] is:

A sample from the full data file [http://rosettacode.org/resources/readings.zip readings.txt], which is also used in the [[Data Munging]] task, follows:

1991-03-30 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1 10.000 1

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# Confirm the general field format of the file.

# Identify any DATESTAMPs that are duplicated.

# Report the number of records have good readings for all instruments.

# Report the number of records that have good readings for all instruments.

=={{header|Ada}}==