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 …
arguments - What is $@ in Bash? - Stack Overflow
Oct 10, 2010 · I reckon that the handle $@ in a shell script is an array of all arguments given to the script. Is this true? I ask because I normally use search engines to gather information, but I …
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?
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 …
What's the meaning of the parameter -e for bash shell command …
123 I have as bash shell script with header #!/bin/bash -e. When I run the script, it will be interrupted after the grep command runs, but when I remove the parameter -e, then the script …
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
How to compare strings in Bash - Stack Overflow
Feb 10, 2010 · How do I compare a variable to a string (and do something if they match)?
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 …
Is bash a programming language? - Stack Overflow
Feb 24, 2015 · According to man bash, Bash is a "sh-compatible command language". Then, we can say a "command language" is "a programming language through which a user …
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.