What is the difference between the | and || or operators?
The double pipe "||" is a logical or, and can be used in logical statements, like "x == 0 || x == 1". Here's an example of what the bitwise or does: if a=0101 and b=0011, then a|b=0111. If you're …
How to Use Double Pipe “||” in Bash [3 Examples] - LinuxSimply
2024年2月11日 — What is Double Pipe (||) in Bash? The double pipe (||) is a logical OR operator used in control flow structures to execute a command or a series of commands only if the …
javascript - What does the construct x = x || y mean? - y mean?
2010年5月10日 — What is the double pipe operator (||)? The double pipe operator (||) is the logical OR operator. In most languages it works the following way: If the first value is false, it checks …
what does " ||" mean? ( Double pipe) - The UNIX and Linux …
2007年8月30日 — What does this double pipe "||" mean? Can any one tell what it is doing? Thanks in advance. If the exit status of the first command (cd /tmp) is not 0, then execute the second …
bash which OR operator to use - pipe v double pipe
2017年1月13日 — There is a big difference between using a single pipe (pipe output from one command to be used as input for the next command) and a process control OR (double pipe). …
How to Use Double and Single Pipes in Bash - Delft Stack
2024年2月2日 — In Bash, the double pipe || is also known as the OR operator like in other programming languages. On the other hand, the single pipe | is known as the pipe. In this …
Demystifying the Double Pipe "||" Operator in Bash
2023年11月8日 — The double pipe || operator is an essential part of any seasoned Bash scripter‘s toolkit. Its ability to conditionally execute commands based on success or failure streamlines …
Bash Piping - LinuxSimply
2024年2月11日 — E. Bash Double Pipe. A double pipe ‘| |’ is used for conditional execution in Bash. It executes the command on the right only if the command on the left fails (returns a non …
Bash Double Pipe - Delft Stack
2024年2月15日 — This article discussed single and double-pipe signs and their functionalities. The single pipe symbol represents the Linux pipe, which puts one command’s output to another’s …
command line - Double pipes in Linux - Super User
2011年7月24日 — Is it possible to do a command in Linux with "double pipes", like this? blah | blah | blah