Tcl’s string match Command
Having matched a single line, it is no longer possible to automatically break it up into pieces stored in the array expect_out
. Tcl does, however, offer a standalone version of both the regular expression and glob pattern matchers.
Glob pattern matching is explicitly done using the string match
command. The command follows the format:
string match pattern string
The string replaces the implicit reference to the input buffer in an expect
command. The command returns 1 if there is a match or 0 if there is no match. For example:
if [string match "f*b*" "foobar"] { puts "match" } else { puts "no match" }
The switch
command (demonstrated on page 131) is a little more like the expect
command. It supports multiple patterns and actions, but like "string match
“, switch
uses an explicit string. Neither switch
nor "string match
" support the ^
and $
anchors.
Get Exploring Expect now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.