In Bash, when writing shell scripts then we need to use test operators to compare integer values, strings, and logical tests and file tests, etc. So here I am sharing the list of all bash shell operators in text and in picture format, which is downloadable.
Bash Shell Test Operators Cheat Sheet
Integer Comparisons
Function
-gt
Greater than
-lt
Less than
-ge
Greater than or equal to
-le
Less than or equal to
-eq
Equal to
-ne
Not equal to
String Comparisons
Functions
-z
Test for empty string
=
Test for equality of strings
!=
Test for inequality of strings
Logical Operators
Function
-a
Logical AND
-o
Logical OR
!
Logical NOT
File Test Operators
Function
-f
File exists and is a regular file
-s
File is not empty
-r
File is readable
-w
File can be written to and modified
-x
File is executable
-d
Filename is a directory name
Download the Bash Shell Test Operators Cheat Sheet in Picture format:
