While loop - Bash Shell Scripting Directory For Linux / UNIX 跳到 Reading A Text File With Separate Fields - bin/bash file=/etc/resolv.conf # set field separator to a single white space while IFS=' ' read -r f1 f2 do echo ...
SHELL while read line 用法 - 360doc個人圖書館 如下SHELL #!/bin/sh cat file | while read line do echo "press any key" read key done read key這條語句不起作用，到底怎麼回事？file為一個文本文件 while read line do ehco "hello" done < file 下麵引用由yjlucky在 2002/10/09 09:07pm 發表的內容：
while read | Unix Linux Forums | Shell Programming and Scripting However if I do something like cat file |while read ans do ... The padding between each column The UNIX and Linux Forums > Top Forums > Shell Programming and Scripting Member Name Remember Me? Password Forums Search Forums Register ...
bash shell script read file line by line. while read line do value=`expr $value + 1`; echo $value; done < "myfile" echo $value; Note: This example just counts the number of lines, I actually desire to do more complex processing than this though, so 'wc' is not an alternative, nor is perl im afrai
shell 腳本 while read a b c d ；do done語句中 a b 的值於最外層不一緻_知道 提問者採納: while迴圈一次只讀一行，直至讀到文件末尾。你試試下麵這個： while read line do echo "$line" done
問個關於while read的問題-Shell-ChinaUnix.net $ cat test.sh #!/bin/sh a=123 echo '456' | while read line do echo $a echo $line a=$line done echo echo $a echo $line $ test.sh 123 456 456 $ 按我的理解，管道會起子shell，while迴圈應該在子shell中運行。 但實際看來，read的操作是在子shell中 ...
Bash Shell Pipeline 將資料一行一行分開處理 (read + while) - Tsung's Blog Linux Shell 處理資料, 大多都用 cat、sed、grep、awk ... 等等, 但這些都是對整堆資料處理, 若需要將這些資料額外一行一行拉出來另外處理的時候, 於 Shell script 要怎麼做? Bash Shell Pipeline 將資料一行一行分開處理 (read + while)
shell script - Variable scope in while-read-loop on Solaris - Unix ... 17 Jun 2014 ... Could someone please explain to me why my while loop seems to have an internal scope? I've seen ...
bash - shell script while read line loop stops after the first line - Stack ... The problem is that do_work.sh runs ssh commands and by default ssh reads from stdin which is your input ...
While read line loop | Unix Linux Forums | Shell Programming and ... Hi I'm writing a bash script which will read an input file and look for occurrences of the current user ...
