Master TCL Programming in 24 hours by Mahajan Vishal

Author:Mahajan, Vishal [Mahajan, Vishal]
Language: eng
Format: epub
Published: 2020-04-12T16:00:00+00:00

In the above example, scan command is used to scan the string str .

3.4 Lab 2

1) set set color1 "red green yellow"

2) set color2 [list red green yellow]

3) set color3 "red {green1 green2} yellow"

4) lindex $color1 0

5) lindex $color1 1

6) lindex $color1 end

7) lindex $color3 1

8) lappend color1 blue

9) lrange $color1 1 2

10) linsert $color1 2 "pink white"

11) lsort -unique $color1

12) lsearch -regexp $color1 .*een

13) set str TCL; split $str ""

14) set str "T C L"; join $str ""

3.5 Lab 2 Solutions

1) red green yellow

2) red green yellow

3) red {green1 green2} yellow

4) red

5) green

6) yellow

7) green1 green2

8) red green yellow blue

9) green yellow

10) red green {pink white} yellow blue

11) blue green red yellow

12) 1

13) T C L

14) TCL

3.6 dict

dict is a dictionary command. It is a key value pair mapping, Tcl uses a hash table to implement a dictionary.

Syntax

dict set dict_name key value

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