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 (840d)

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
(この記事はBLOCKBLOGから移行したものです)

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