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Goto - UNIX v6 Manual Questions


 
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# 8  
Old 12-26-2014
Again thank you for all the answers. Smilie

Perderabo said:
Quote:
The goto command used some magic to reposition the shell's input file. This means the input file has to be seekable. A file on paper tape is an example of a non-seekable file.
Could you please explain this a bit more (regarding seekable).

Last edited by orbit; 01-02-2015 at 12:28 PM..
# 9  
Old 12-26-2014
The shell needs to search and find the target line for the goto in the input file, and jump there. Therefore, it needs to be randomly accessible, as are disk files.

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