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VScodeでLLDBでC++をデバッグするときファイルをリダイレクトする方法

Posted at

背景

vscodeでC++のデバッグをするとき、ファイルをリダイレクトしたいと思った。launch.jsonのデバッグのタスクを作る時、argsのところに[">", "input.txt"]としたがリダイレクトできなかった。

フォルダ構成

/src
-  target.cpp
-  input.text

解決策

launch.jsonでデバッグのタスクの"configurations"に

launch.json
"setupCommands": [
                {
                    "text": "settings set target.input-path ${fileDirname}/input.txt"
                }
]

を追加する。

参考記事

Cannot get lldb to read file input - stack overflow
VS Code lldb debugging with stdin

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