bash:commands:command_line_arguments
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| bash:commands:command_line_arguments [2021/01/26 17:00] – [BASH - Commands - Command Line Arguments] peter | bash:commands:command_line_arguments [2021/01/26 17:03] (current) – peter | ||
|---|---|---|---|
| Line 3: | Line 3: | ||
| Getting arguments directly from the command shell can be beneficial in a number of cases. | Getting arguments directly from the command shell can be beneficial in a number of cases. | ||
| - | <code bash> | + | <file bash test.sh> |
| #!/bin/bash | #!/bin/bash | ||
| echo "Total arguments : $#" | echo "Total arguments : $#" | ||
| echo "First Argument = $1" | echo "First Argument = $1" | ||
| echo " | echo " | ||
| - | </code> | + | </file> |
| Run this script with two additional parameters after its name. | Run this script with two additional parameters after its name. | ||
| - | |||
| - | I’ve named it test.sh and the calling procedure is outlined below. | ||
| <code bash> | <code bash> | ||
| Line 31: | Line 29: | ||
| The below example shows how to get command-line arguments with their names. | The below example shows how to get command-line arguments with their names. | ||
| - | <code bash> | + | <file bash test.sh> |
| #!/bin/bash | #!/bin/bash | ||
| Line 50: | Line 48: | ||
| echo " | echo " | ||
| - | </code> | + | </file> |
| - | Name this script | + | Run this script |
| <code bash> | <code bash> | ||
| Line 58: | Line 56: | ||
| </ | </ | ||
| - | It should return | + | returns |
| + | |||
| + | <code bash> | ||
| + | X+Y=144 | ||
| + | </ | ||
| + | |||
| + | <WRAP info> | ||
| + | **NOTE: | ||
| + | </ | ||
| - | The arguments here are stored inside ‘$@‘ and the script fetches them using the Linux cut command. | ||
bash/commands/command_line_arguments.1611680415.txt.gz · Last modified: 2021/01/26 17:00 by peter