Difference between revisions of "Bunset"
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| − | The bunset command is used to unset a [[Binary Files|binary file]]. | + | The bunset command is used to unset a [[:Category:Binary Files|binary file]]. |
<nowiki>bunset <&binvar> [&binvar &binvar ... &binvar]</nowiki> | <nowiki>bunset <&binvar> [&binvar &binvar ... &binvar]</nowiki> | ||
| − | This unsets all specified binary files. Unlike [[unset]], bunset doesn't work with wildcards. | + | This unsets all specified binary files. Unlike [[unset]], bunset doesn't work with [[Wildcard|wildcards]]. |
== Examples == | == Examples == | ||
| − | [[bset]] &test 1 65 | + | [[bset]] &test 1 65 66 67 |
| − | echo -a [[$bvar]](&test,0) | + | [[echo]] -a [[$bvar]](&test,0) returns ''3'' |
bunset &test | bunset &test | ||
| − | echo -a | + | echo -a $bvar(&test,0) returns ''0'' |
| − | In this case the first echo will echo | + | In this case the first echo will echo 3 as &test is filled with 3 bytes, the second echo will echo 0 as &test is unset. |
| + | |||
| + | bset &test 1 65 66 67 | ||
| + | bset &another 1 97 98 | ||
| + | echo -a $bvar(&test,0) returns ''3'' | ||
| + | echo -a $bvar(&another,0) returns ''2'' | ||
| + | bunset &test &another | ||
| + | echo -a $bvar(&test,0) returns ''0'' | ||
| + | echo -a $bvar(&another,0) returns ''0'' | ||
| + | This is an example of two binary files being unset with one command. | ||
| + | |||
| + | |||
| + | [[Category:Binary Files]] | ||
| + | [[Category:Commands]] | ||
Latest revision as of 20:40, 13 October 2006
The bunset command is used to unset a binary file.
bunset <&binvar> [&binvar &binvar ... &binvar]
This unsets all specified binary files. Unlike unset, bunset doesn't work with wildcards.
Examples
bset &test 1 65 66 67 echo -a $bvar(&test,0) returns 3 bunset &test echo -a $bvar(&test,0) returns 0
In this case the first echo will echo 3 as &test is filled with 3 bytes, the second echo will echo 0 as &test is unset.
bset &test 1 65 66 67 bset &another 1 97 98 echo -a $bvar(&test,0) returns 3 echo -a $bvar(&another,0) returns 2 bunset &test &another echo -a $bvar(&test,0) returns 0 echo -a $bvar(&another,0) returns 0
This is an example of two binary files being unset with one command.
