Difference between revisions of "Bash:Test"
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(Created page with "The test command evaluates an expression and sets $? 0 => True/Successful 1 => False/Unsuccessful In if statement test can be executed as [ expression ]. This has better read...") |
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Revision as of 17:39, 8 March 2019
The test command evaluates an expression and sets $? 0 => True/Successful 1 => False/Unsuccessful
In if statement test can be executed as [ expression ]. This has better readability.
Test commands
- -f filename
- Regular file existence
- -e filename
- Any file existence
- -s filename
- File is bigger than 0 bytes