在script中從標準輸入讀東西 - Linux

By Una
at 2011-05-12T19:00
at 2011-05-12T19:00
Table of Contents
※ 引述《x3795566 (冀憶)》之銘言:
: 我知道可以用$<:q
: 一行一行的讀標準輸入的東西
: 但是假如 我用 cat tempfile | ./myscript 時
: 我要怎樣知道已經讀完了?
: 原本是想說判斷是不是沒東西
: 但是假如tempfile有空白行就又行不通
: 不知道有沒有人知道怎樣判斷標準輸入結尾了> <
: 感激不盡
空白行先用 sed '/^$/d' 處理掉呢?
--
: 我知道可以用$<:q
: 一行一行的讀標準輸入的東西
: 但是假如 我用 cat tempfile | ./myscript 時
: 我要怎樣知道已經讀完了?
: 原本是想說判斷是不是沒東西
: 但是假如tempfile有空白行就又行不通
: 不知道有沒有人知道怎樣判斷標準輸入結尾了> <
: 感激不盡
空白行先用 sed '/^$/d' 處理掉呢?
--
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