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1 Introduction
2 Interface
3 Scanner
4 Parser
5 Analyser
6 Tangle
7 Weave
8 Shell
9 Commands
10 Glossary
11 References

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FunnelWeb Reference Manual

9.2 Absent

The absent command performs no action except to return a status. If the file specified in its argument doesn't exist it returns success status, otherwise it returns severe status.

Syntax : absent = "absent" s filename
Example: absent result.out

This command is useful in regression testing for making sure that FunnelWeb hasn't  produced a particular output file.

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