回答編集履歴
4
少し編集
test
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@@ -254,7 +254,7 @@
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# 追記
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# 追記3
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3
追記
test
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print "%s :\n%s\n" % (key, str(val))
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```
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# 追記
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フォーマット文字列はPython3.6以降の機能でした、明記しておらずすみません。
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Python3.5以前のバージョンで実行している場合は`format`メソッドを使用してください。
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```
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print("{} :\n{}\n".format(key, val))
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```
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2
追記
test
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```
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# 追記2
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一応、Python2.7系でも動くであろうコードも載せておきますが、私はPython2.7系は詳しくないので、良いコードかどうかは保証しかねます。
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```python
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import glob
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matrixs = dict()
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for file in sorted(glob.glob("a/*.csv")):
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matrixs[file] = []
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with open(file, 'r') as f:
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for line in f.read().splitlines():
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line = line.replace(b'\xef\xbb\xbf', "")
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line_data_arr = [int(s) for s in line.split(",") if s != ""]
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if len(line_data_arr) == 4:
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# print(line_data_arr)
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matrixs[file].append(line_data_arr)
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for key, val in matrixs.items():
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print "%s :\n%s\n" % (key, str(val))
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```
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1
追記
test
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@@ -137,3 +137,71 @@
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```
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# 追記
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二次元配列にしたいならば例えばこうでしょうか?
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```python
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import glob
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matrixs = dict()
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for file in sorted(glob.glob("a/*.csv")):
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matrixs[file] = []
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with open(file, 'r', encoding="utf-8-sig") as f: #ファイルを読み取りモードで開く
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for line in f.read().splitlines():
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line_data_arr = [int(s) for s in line.split(",") if s != ""]
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if len(line_data_arr) == 4:
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# print(line_data_arr)
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matrixs[file].append(line_data_arr)
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for key, val in matrixs.items():
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print(f"{key} :\n{val}\n")
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```
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実行結果例
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```bash
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$ python3 tera170375.py
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a\1.csv :
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[[10, 100, 1000, 10000], [11, 101, 1001, 10001]]
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a\2.csv :
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[[1, 2, 3, 4], [11, 12, 13, 14]]
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```
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