|
- bash - What is the purpose of in a shell command? - Stack Overflow
Furthermore, you also have || which is the logical or, and also ; which is just a separator which doesn't care what happend to the command before
- bash - Shell equality operators (=, ==, -eq) - Stack Overflow
If not quoted, it is a pattern match! (From the Bash man page: "Any part of the pattern may be quoted to force it to be matched as a string ") Here in Bash, the two statements yielding "yes" are pattern matching, other three are string equality:
- Whats the difference between [ and [[ in Bash? - Stack Overflow
Make sure you have the #! bin bash shebang line for your script if you use double brackets See also Bash FAQ - "What is the difference between test, [ and [ [ ?" Bash Practices - Bash Tests Server Fault - What is the difference between double and single brackets in bash?
- What do the -n and -a options do in a bash if statement?
The switches -a and -n are not strictly part of a bash if statement in that the if command does not process these switches 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 parts of a boolean expression)
- How to compare strings in Bash - Stack Overflow
Bash always seemed backward with numeric evaluations using an operator consisting of a string (-eq) and string comparisons using a numeric operator "==" or "=" just you mess you up If you ask me I'd say the problem is the distro swapping out bash That is just my opinion, but this is my fix
- shell - Difference between sh and Bash - Stack Overflow
When writing shell programs, we often use bin sh and bin bash I usually use bash, but I don't know what's the difference between them What's the main difference between Bash and sh? What do we
- bash - How do I create an array in Unix shell scripting . . . - Stack . . .
For example, FreeBSD doesn't ship with bash (it's installable from ports though) Scripts written assuming bash features aren't portable, and they're noticably slower slower than most Bourne shell implementations (like dash, which is common on GNU Linux distributions) bash is a nice interactive shell, but it's slow for scripting
- How to increment a variable in bash? - Ask Ubuntu
#! bin bash # To focus exclusively on the performance of each type of increment # statement, we should exclude bash performing while loops from the # performance measure
|
|
|