Bash While Read. As example lets print all users from the /etc/passwd file: I want to ssh into a set of machines and check whether they are available (accepting connections and not being used).
Bash While Read Loop? The 15 New Answer
The_list=$ (.code.) while read line do echo $line done < $the_list. As other have pointed out, awk redirection occur later. I just started learning shell and confused on how a read line (variable) command reads the file in. In that case, file will produce multiple lines of output, and so the while loop will process. The most direct fix is to explicitly compare $finished to the string true. Use $@ instead of $1, and change the call to./myscrpt.sh ls filename ). Web it reads once; Web the problem is that the while loop only reads the first line, ignoring the others. Web how can i read from variable with while read line? Echo $reply the $reply variable stores the read command message.
Echo $reply the $reply variable stores the read command message. Use $@ instead of $1, and change the call to./myscrpt.sh ls filename ). Then echo number is equal to zero else echo number is not equal to 0 fi done. As example lets print all users from the /etc/passwd file: Using the code above gives me error: I want to ssh into a set of machines and check whether they are available (accepting connections and not being used). You need to open an alternate file descriptor to your file and read from the file descriptor. As other have pointed out, awk redirection occur later. The_list=$ (.code.) while read line do echo $line done < $the_list. For a mixed awk/bash solution. Web while loop stops reading after the first line in bash (5 answers) closed 6 years ago.
