Download shell - Parenthesis in expr arithmetic: 3 * (2 + 1) - Unix & Linux ... book pdf free download link or read online here in PDF. Read online shell - Parenthesis in expr arithmetic: 3 * (2 + 1) - Unix & Linux ... book pdf free download link book now. All books are in clear copy here, and all files are secure so don't worry about it. This site is like a library, you could find million book here by using search box in the header.
expr is an external command, it is not special shell syntax. Therefore, if you want expr to see shell special characters, you need to protect them from shell parsing by quoting them. Furthermore, expr needs each number and operator to be passed as a separate parameter. Thus: expr 3 \* \( 2 + 1 \)
Read : shell - Parenthesis in expr arithmetic: 3 * (2 + 1) - Unix & Linux ... pdf book online Select one of servers for direct link: |
---|