Nested If Statements

[GRonken]

Can I do a nested if staement in tcl?

if {[string compare $LookForSTDRPTTEXT $Compare3] == 0} {
set temp_1 [append temp_1 $inline]

# Ok this is where if want to test it agin if it was true in the above statement - and WHERE do those {} go <grin>

} else {
set temp_1 ttt
}
puts $fidout temp_1

}

 

[ulis]

  if {cond}   {
    previous statement
    if {cond2}     {
      if {cond3} { then }
      if {cond4} { then } else {else }
    }
    next statement
  }   else   {
    else script
  }

The if command has the following syntax:
[bold]if[/bold] cond-expression then-script ??[bold]elseif[/bold]? elseif-script?... ??[bold]else[/bold]? else-script

Some variations:
[bold]if[/bold] cond then-script
[bold]if[/bold] cond then-script else-script
[bold]if[/bold] cond then-script [bold]else[/bold] else-script

All scripts are sequences of commands:
{
command
...
}
And a command can be a [bold]if[/bold] command.

A final example:

if {$a} {
  if {$b} { do_a_b } else { do_a_!b }
} else {
  if {$b} { do_!a_b } else { do_!a_!b }
}

For more on if:

http://mini.net/tcl/if

HTH

ulis

 

[KotiChennayya]

puts &quot;Enter one character&quot;
gets stdin input

set length [string length $input]

if {$length == &quot;1&quot; } {
if {$input >= &quot;0&quot; && $input < &quot;10&quot;} {
puts &quot;Integer received&quot;
} else {
puts &quot;Non integer received&quot;
}
} elseif {$length < 3} {
puts &quot;Small string&quot;
} else {
puts &quot;Big string&quot;
}

Hope this helps
Rgds
Koti