top ≫ コンピュータ ≫ コマンドメモ:テキストファイルの行数を数える
コンピュータ/コマンドメモ:テキストファイルの行数を数える ■2021-12-31 (金) 22:46:36 (808d)
ターミナル操作。 ファイル「1.txt」の行数を調べる 入力 wc 1.txt 結果 485 403 12937 1.txt 行数 ワード数 バイト数 一文字の何かにマッチするものの行数を調べる 入力 wc ?.txt 結果 485 403 12937 1.txt 79 67 2001 2.txt 125 101 3298 3.txt 125 104 3309 4.txt 65 52 1681 5.txt 879 727 23226 total 行数 ワード数 バイト数 最後の行はトータル数 「http」の書いてある行を調べる 入力 grep http ?.txt 結果がずらーっと出る。 「http」を含んだ行数だけを調べる 入力 grep http ?.txt | wc 結果 176 176 8719 行数 ワード数 バイト数 「|」は「パイプ」といって、最初のプログラムの出力を、2番目のプログラムの入力とできる機能のこと。 ここでは、grepのキーワード検索の出力を、wcへの入力としている。 投稿日: 2005-12-19 22:15:00
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