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soc:2009:lynusvaz:notes:scripting_doc:features_added [2009/08/09 09:29] lynusvaz |
soc:2009:lynusvaz:notes:scripting_doc:features_added [2009/08/16 00:19] (current) lynusvaz |
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| =====Scripting Features===== | =====Scripting Features===== | ||
| - | The features mentioned here are NOT YET part of mainline gPXE, and are still under development. The modified code can be found in my git repository, in the [[http://git.etherboot.org/?p=people/lynusvaz/gpxe.git;a=shortlog;h=refs/heads/offset|offset]] branch. | + | The features mentioned here are NOT YET part of mainline gPXE, and are still under development. The modified code can be found in my git repository, in the [[http://git.etherboot.org/?p=people/lynusvaz/gpxe.git;a=shortlog;h=refs/heads/expt|expt]] branch. |
| - Identifiers | - Identifiers | ||
| Line 69: | Line 69: | ||
| Hello | Hello | ||
| World | World | ||
| + | Hello World | ||
| It's good to see you! | It's good to see you! | ||
| Line 120: | Line 121: | ||
| fi | fi | ||
| - | 6. While and for loops have been added: | + | ====Loops==== |
| + | You can use while and for loops as: | ||
| while <condition> | while <condition> | ||
| do | do | ||
| Line 150: | Line 152: | ||
| done | done | ||
| displays: | displays: | ||
| - | 0 | + | i = 0 |
| - | 1 | + | i = 1 |
| - | 2 | + | i = 2 |
| - | 3 | + | i = 3 |
| - | 5 | + | i = 5 |
| - | 18 | + | i = 18 |
| + | A break statement will exit a loop, and a continue statement will start the next iteration of the loop. | ||
| + | for i in 1 2 3 4 5 6 | ||
| + | do | ||
| + | if $(${i} == 3) | ||
| + | continue | ||
| + | fi | ||
| + | echo 'i =' ${i} | ||
| + | if $(${i} == 4) | ||
| + | break #This will exit the for loop, not just the if branch | ||
| + | fi | ||
| + | done | ||
| + | displays: | ||
| + | i = 1 | ||
| + | i = 2 | ||
| + | i = 4 | ||
