| 1 | [[params-fmt]] |
| 2 | Parameters format |
| 3 | ~~~~~~~~~~~~~~~~~ |
| 4 | The format of the 'PARAMS' option's argument is a comma-separated |
| 5 | list of `NAME=VALUE` assignments: |
| 6 | |
| 7 | [verse] |
| 8 | 'NAME'='VALUE'[,'NAME'='VALUE']... |
| 9 | |
| 10 | 'NAME':: |
| 11 | Parameter name (C{nbsp}identifier plus the `:`, `.`, and `-` characters). |
| 12 | |
| 13 | 'VALUE':: |
| 14 | One of: |
| 15 | + |
| 16 | -- |
| 17 | * `null`, `nul`, `NULL`: null value. |
| 18 | |
| 19 | * `true`, `TRUE`, `yes`, `YES`: true boolean value. |
| 20 | |
| 21 | * `false`, `FALSE`, `no`, `NO`: false boolean value. |
| 22 | |
| 23 | * Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal |
| 24 | (`0x` prefix) signed 64-bit integer. |
| 25 | |
| 26 | * Double precision floating point number (scientific notation is |
| 27 | accepted). |
| 28 | |
| 29 | * Unquoted string with no special characters, and not matching any of |
| 30 | the null and boolean value symbols above. |
| 31 | |
| 32 | * Double-quoted string (accepts escape characters). |
| 33 | |
| 34 | You may put whitespaces around the individual `=` (assignment) and `,` |
| 35 | (separator) characters. |
| 36 | -- |
| 37 | |
| 38 | Example: |
| 39 | |
| 40 | ---- |
| 41 | babeltrace ... --params='many=null, fresh=yes, condition=false, |
| 42 | squirrel=-782329, observe=3.14, |
| 43 | simple=beef, needs-quotes="some string", |
| 44 | escape.chars-are:allowed="a \" quote"' |
| 45 | ---- |
| 46 | |
| 47 | IMPORTANT: Like in the example above, make sure to single-quote the |
| 48 | whole argument when you run this command from a shell. |