
bash - Shell equality operators (=, ==, -eq) - Stack Overflow
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 …
sh - [: missing `]' in bash script - Stack Overflow
Feb 9, 2016 · The double-brace keyword is a bash expression, and will not work with other POSIX shells, but it has some benefits, as well, such as being able to do these kinds of operations …
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 …
bash - How to run .sh on Windows Command Prompt? - Stack …
Oct 23, 2014 · Bash, and the sh command, is installed with Git4Windows if you select the 'Install Bash' install option.
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?
bash - Difference between 'if -e' and 'if -f' - Stack Overflow
Apr 18, 2012 · 59 $ man bash -e file True if file exists. -f file True if file exists and is a regular file. A regular file is something that isn't a directory, symlink, socket, device, etc.
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 …
An "and" operator for an "if" statement in Bash - Stack Overflow
An "and" operator for an "if" statement in Bash Asked 12 years, 11 months ago Modified 1 year, 3 months ago Viewed 987k times
What is the meaning of -n, -z, -x, -L, -d, etc... in Shell Script?
Nov 16, 2018 · For conditional expressions info go for man bash it gives info as follows too. CONDITIONAL EXPRESSIONS Conditional expressions are used by the [ [ compound …
An example of how to use getopts in bash - Stack Overflow
May 10, 2013 · I want to call myscript file in this way: $ ./myscript -s 45 -p any_string or $ ./myscript -h #should display help $ ./myscript #should display help My requirements are: …