Clear line in list

Command groupFlag affectedReversibleExecute on clientPlatform(s)
List linesYESNONOAll

Syntax

Clear line in list
 
line-number (calculation)

Description

This command clears the values stored in the specified line of the current list. You can specify the line number in a calculation, otherwise the current line (LIST.$line) is used. The flag is cleared if the list is empty or if the line is beyond the current end of the list.

Example

# Clear values from any lines in the list that have a

# balance equal to zero

Set current list
 
lMyList

Define list
 
lName
,
lBalance

Add line to list
 
(
'Fred'
,100)

Add line to list
 
(
'George'
,0)

Add line to list
 
(
'Harry'
,50)

 
For each line in list
 
from
 
1
 
to
 
lMyList
.
$linecount
 
step
 
1

  
If
 
lst
(
lBalance
)=0

    
Clear line in list
 

  
End If
End For
 
# Alternatively you can use $clear to clear the values

# of a particular line

Do
 
lMyList
.1.
$clear
()