BASH - HOW CAN I DECLARE AND USE BOOLEAN VARIABLES IN A SHELL …
Bash does have Boolean expressions in terms of comparison and conditions. That said, what you can declare and compare in Bash are strings and numbers. That's it. Wherever you see true or … From stackoverflow.com
WHICH CHARACTERS NEED TO BE ESCAPED WHEN USING BASH?
Is there any comprehensive list of characters that need to be escaped in Bash? Can it be checked just with sed? In particular, I was checking whether % needs to be escaped or not. I tried echo … From stackoverflow.com
SHELL SCRIPTING: -Z AND -N OPTIONS WITH IF - UNIX & LINUX STACK …
Jan 16, 2014 You can find a very nice reference for bash's [ aka test builtin's operators here, or by running help test in a bash shell or info bash test or info bash '[' from any shell¹. If you are … From unix.stackexchange.com
WHAT IS THE DIFFERENCE BETWEEN SINGLE AND DOUBLE SQUARE …
Nov 24, 2012 Ubuntu 16.04 actually has an executable for it at /usr/bin/[ provided by coreutils, but the bash built-in version takes precedence. Nothing is altered in the way that Bash parses … From stackoverflow.com
AN "AND" OPERATOR FOR AN "IF" STATEMENT IN BASH - STACK OVERFLOW
Modern shells such as Bash and Zsh have inherited this construct from Ksh, but it is not part of the POSIX specification. If you're in an environment where you have to be strictly POSIX … From stackoverflow.com
BASH - WHAT IS THE PURPOSE OF "&&" IN A SHELL COMMAND? - STACK …
Dec 22, 2010 $ command one && command two the intent is to execute the command that follows the && only if the first command is successful. This is idiomatic of Posix shells, and not … From stackoverflow.com
WHAT DO THE -N AND -A OPTIONS DO IN A BASH IF STATEMENT?
What are primaries? I call them "switches", but the bash documentation that you linked to refers to the same thing as "primaries" (probably because this is a common term used when discussing … From stackoverflow.com
It depends on the Test Construct around the operator. Your options are double parentheses, double brackets, single brackets, or test. If you use ((…)), you are testing arithmetic equality … From stackoverflow.com
HOW DO I ITERATE OVER A RANGE OF NUMBERS DEFINED BY VARIABLES IN …
Oct 4, 2008 Related discusions: bash for loop: a range of numbers and unix.stackexchange.com - In bash, is it possible to use an integer variable in the loop control of a for loop? From stackoverflow.com
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