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exceptions.md

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Holder for uncaught exceptions

2022-09-17

attempt to cd into array in VFS:

=====

caught exception : undefined method parent' for ["/v/clip/7NKosC\n"]:Array until p.parent.nil? ^^^^^^^ vish >NoMethodError undefined method parent' for ["/v/clip/7NKosC\n"]:Array

until p.parent.nil?
       ^^^^^^^

/home/edh/tmp/viper/lib/runtime/vfs_root.rb:17:in pwd' /home/edh/tmp/viper/lib/runtime/virtual_layer.rb:71:in pwd' /home/edh/tmp/viper/lib/runtime/hal.rb:18:in pwd' /home/edh/tmp/viper/lib/runtime/virtual_machine.rb:26:in _init' /home/edh/tmp/viper/lib/runtime/virtual_machine.rb:54:in initialize' /home/edh/tmp/viper/lib/runtime/virtual_machine.rb:327:in new' /home/edh/tmp/viper/lib/runtime/virtual_machine.rb:327:in _clone' /home/edh/tmp/viper/lib/ast/sub_shell.rb:33:in call' /home/edh/tmp/viper/lib/ast/sub_shell_expansion.rb:9:in call' /home/edh/tmp/viper/lib/ast/assignment.rb:13:in call' /home/edh/tmp/viper/lib/ast/statement.rb:78:in block in perform_assigns' /home/edh/tmp/viper/lib/ast/statement.rb:76:in reject' /home/edh/tmp/viper/lib/ast/statement.rb:76:in perform_assigns'/home/edh/tmp/viper/lib/ast/statement.rb:90:in prepare'/home/edh/tmp/viper/lib/ast/statement.rb:115:in block in execute'/home/edh/tmp/viper/lib/ast/statement.rb:97:in bump_frames'/home/edh/tmp/viper/lib/ast/statement.rb:114:in execute'/home/edh/tmp/viper/lib/ast/statement.rb:139:in _call'/home/edh/tmp/viper/lib/ast/block.rb:23:in block in call'/home/edh/tmp/viper/lib/ast/block.rb:19:in each'/home/edh/tmp/viper/lib/ast/block.rb:19:in call'/home/edh/tmp/viper/lib/bin/loop.rb:9:in block in call'/home/edh/tmp/viper/lib/bin/loop.rb:9:in loop'/home/edh/tmp/viper/lib/bin/loop.rb:9:in call'/home/edh/tmp/viper/lib/ast/statement.rb:120:in block (2 levels) in execute'/home/edh/tmp/viper/lib/ast/statement.rb:105:in wrap_streams'/home/edh/tmp/viper/lib/ast/statement.rb:119:in block in execute'/home/edh/tmp/viper/lib/ast/statement.rb:97:in bump_frames'/home/edh/tmp/viper/lib/ast/statement.rb:114:in execute'/home/edh/tmp/viper/lib/ast/statement.rb:139:in _call'/home/edh/tmp/viper/lib/ast/block.rb:23:in block in call'/home/edh/tmp/viper/lib/ast/block.rb:19:in each'/home/edh/tmp/viper/lib/ast/block.rb:19:in call'/home/edh/tmp/viper/lib/bin/loop.rb:9:in block in call'/home/edh/tmp/viper/lib/bin/loop.rb:9:in loop'/home/edh/tmp/viper/lib/bin/loop.rb:9:in call'/home/edh/tmp/viper/lib/ast/statement.rb:120:in block (2 levels) in execute'/home/edh/tmp/viper/lib/ast/statement.rb:105:in wrap_streams'/home/edh/tmp/viper/lib/ast/statement.rb:119:in block in execute'/home/edh/tmp/viper/lib/ast/statement.rb:97:in bump_frames'/home/edh/tmp/viper/lib/ast/statement.rb:114:in execute'/home/edh/tmp/viper/lib/ast/statement.rb:139:in _call'/home/edh/tmp/viper/lib/ast/block.rb:23:in block in call'/home/edh/tmp/viper/lib/ast/block.rb:19:in each'/home/edh/tmp/viper/lib/ast/block.rb:19:in call'/home/edh/tmp/viper/lib/ast/function.rb:27:in call'/home/edh/tmp/viper/lib/ast/statement.rb:120:in block (2 levels) in execute'/home/edh/tmp/viper/lib/ast/statement.rb:105:in wrap_streams'/home/edh/tmp/viper/lib/ast/statement.rb:119:in block in execute'/home/edh/tmp/viper/lib/ast/statement.rb:97:in bump_frames'/home/edh/tmp/viper/lib/ast/statement.rb:114:in execute'/home/edh/tmp/viper/lib/ast/statement.rb:139:in _call'/home/edh/tmp/viper/lib/ast/block.rb:23:in block in call'/home/edh/tmp/viper/lib/ast/block.rb:19:in each'/home/edh/tmp/viper/lib/ast/block.rb:19:in call'/home/edh/tmp/viper/lib/runtime/virtual_machine.rb:75:in block in call'/home/edh/tmp/viper/lib/runtime/virtual_machine.rb:348:in _hook'/home/edh/tmp/viper/lib/runtime/virtual_machine.rb:75:in call'/home/edh/tmp/viper/bin/viper:251:in block in <main>'/home/edh/tmp/viper/bin/viper:251:in each'/home/edh/tmp/viper/bin/viper:251:in `'dell dell