32 lines
746 B
Forth
Executable file
32 lines
746 B
Forth
Executable file
This displays the contents (file names, sizes) of an archive.
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I track the input (the archive) in `In`.
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~~~
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'In var
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~~~
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The filename is passed in via the command line. Open it, save
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the pointer.
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~~~
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#0 script:get-argument file:open-for-reading nip !In
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~~~
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Define words to process the archive data.
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~~~
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:get-count @In file:read-line s:to-number dup n:put '_files s:put nl ;
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:pad s:length #32 swap - #0 n:max [ sp ] times ;
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:filename @In file:read-line dup s:put pad ;
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:size @In file:read-line s:to-number dup n:put '_bytes s:put nl ;
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:skip [ @In file:read drop ] times ;
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:skip-nl @In file:read-line drop ;
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~~~
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Then use them to process the file.
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~~~
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get-count [ filename size skip skip-nl ] times
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@In file:close
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~~~
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