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- scan string format varname1 varname2 ...
- This command parses fields from an input string in the
- same fashion as the C sscanf procedure. String gives
- the input to be parsed and format indicates how to
- parse it, using % fields as in sscanf. All of the
- sscanf options are valid; see the sscanf man page for
- details. Each varname gives the name of a variable;
- when a field is scanned from string, the result is
- converted back into a string and assigned to the
- corresponding varname. The only unusual conversion is
- for %c; in this case, the character value is converted
- to a decimal string, which is then assigned to the
- corresponding varname.
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