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Switch - exact, glob and regex
Conditionals and Loops example from a Well House Consultants training course
More on Conditionals and Loops [link] Source code: globber Module: T203
# Tcl's switch command lets you branch mulitiple ways based on a value foreach month {January February March April May June July Holiday September October November Christmas} { puts $month # exact switch $month { May {puts "--- Flowers!"} April { puts "--- Showers!" puts "Advert for bucket shop for drips" } } # matches to whole string (first match is the one it goes with) switch -glob $month { *er {puts "... days getting shorter"} *ry {puts "... in the bleak midwinter"} } # string CONTAINS (first match is the one it goes with) switch -re $month { J {puts "::: der's a djay in da month"} a {puts "::: alphabeta starta"} } } exit ---------------- munchkin:tclmay11 grahamellis$ tclsh globber January ... in the bleak midwinter ::: der's a djay in da month February ... in the bleak midwinter ::: alphabeta starta March ::: alphabeta starta April --- Showers! Advert for bucket shop for drips May --- Flowers! ::: alphabeta starta June ::: der's a djay in da month July ::: der's a djay in da month Holiday ::: alphabeta starta September ... days getting shorter October ... days getting shorter November ... days getting shorter Christmas ::: alphabeta starta munchkin:tclmay11 grahamellis$ Learn about this subject
This module and example are covered on the following public courses:
* Learning to program in Tcl * Tcl Programming * Tcl Programming Also available on on site courses for larger groups Books covering this topic
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