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Decision tables: Difference between revisions
Added COBOL
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Check the printer-computer cable
Ensure printer software is installed</lang>
=={{header|COBOL}}==
<lang cobol> >> SOURCE FORMAT FREE
identification division.
program-id. 'decisiontable'.
environment division.
configuration section.
repository.
function all intrinsic.
data division.
working-storage section.
01 conditions.
03 notprinting pic x.
03 flashing pic x.
03 notrecognized pic x.
procedure division.
start-decision-table.
display space
display 'The printer does not print (Y or N) ' with no advancing
accept notprinting
display 'A red light is flashing (Y or N) ' with no advancing
accept flashing
display 'The printer is unrecognized (Y or N) ' with no advancing
accept notrecognized
move upper-case(conditions) to conditions
display space
*>decision table Printer troubleshooter
*> conditions
*>Printer does not print Y Y Y Y N N N N
*>A red light is flashing Y Y N N Y Y N N
*>Printer is unrecognized Y N Y N Y N Y N
*> actions
*>Check the power cable X
*>Check the printer-computer cable X X
*>Ensure printer software is installed X X X X
*>Check/replace ink X X X X
*>Check for paper jam X X
*>end decision table
evaluate notprinting also flashing also notrecognized
when 'Y' also 'Y' also 'Y'
display 'Check the printer-computer cable'
display 'Ensure printer software is installed'
display 'Check/replace ink'
when 'Y' also 'Y' also 'N'
display 'Check/replace ink'
display 'Check for paper jam'
when 'Y' also 'N' also 'Y'
display 'Check the power cable'
display 'Check the printer-computer cable'
display 'Ensure printer software is installed'
when 'Y' also 'N' also 'N'
display 'Check for paper jam'
when 'N' also 'Y' also 'Y'
display 'Ensure printer software is installed'
display 'Check/replace ink'
when 'N' also 'Y' also 'N'
display 'Check/replace ink'
when 'N' also 'N' also 'Y'
display 'Ensure printer software is installed'
when 'N' also 'N' also 'N'
display 'no action found'
when other
display 'invalid input: ' notprinting space flashing space notrecognized
end-evaluate
display space
stop run
.
end program 'decisiontable'.
</lang>
{{out}}
<pre>$ cobc -xj decisiontable.cob
The printer does not print (Y or N) n
A red light is flashing (Y or N) n
The printer is unrecognized (Y or N) y
Ensure printer software is installed
</pre>
=={{header|D}}==
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