How to stop the loop in a shell script?

How to stop the loop in a shell script?

– Unix & Linux Stack Exchange while read line in shell script – how to stop the loop? However this script keeps running with $line not containing any value. How do I have to alter the code that the script stops if the next line is empty or some “signal” word occurs.

Why does script stop when next line is empty?

However this script keeps running with $line not containing any value. How do I have to alter the code that the script stops if the next line is empty or some “signal” word occurs. I think your real problem might lie in the unmatched double-quote character before “http”, or the unmatched back-tick character at the end of “inputfile”.

Why do I only see the first line in do _ work.sh?

In do_work.sh, I run a couple of ssh commands. The problem is that do_work.sh runs ssh commands and by default ssh reads from stdin which is your input file. As a result, you only see the first line processed, because ssh consumes the rest of the file and your while loop terminates.

Is there anything wrong with my script?

The purpose is to loop thru each line of the target file (whose path is the input parameter to the script) and do work against each line. Now, it seems only work with the very first line in the target file and stops after that line got processed. Is there anything wrong with my script?

How to do a while read line loop in Bash?

While Read Line Loop in Bash. The general while read line construction that can be used in Bash scripts: while read LINE do COMMAND done < FILE. The same construction in one line (easy to use on the Linux command line): while read LINE; do COMMAND; done < FILE. As example lets print all users from the /etc/passwd file:

What’s the syntax for while read in Bash?

Basic Syntax of while read line. The following syntax is used for bash shell to read a file using while loop: while read -r line; do. echo “$line” ; done < input.file. The option ‘-r’ in the above-mentioned syntax passed to read command that avoids the backslash escapes from being interpreted. The ‘input_file’ option has represented the name

When to use while read line construction in Bash?

If you need to read a file line by line and perform some action with each line – then you should use a while read line construction in Bash, as this is the most proper way to do the necessary.