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predef Scilab Group Scilab Function predef
NAME
predef - variable protection
CALLING SEQUENCE
n=predef()
oldnew=predef(n)
oldnew=predef('all')
oldnew=predef('clear')
DESCRIPTION
Utility function used for defining "oldest" variables as "protected".
Protected variables cannot be killed. They are not saved by the 'save'
command. The "oldest" are those appearing last in the\ fVwho('get').
predef() gets the number of protected variables
predef('a[ll]') sets all the variables protected, it also return the old
and new value of protected variables number.
predef('c[lear]') unprotect all but the last 7 variables, it also return
the old and new value of protected variables number.
predef(n) sets the max(n,7) last defined variables as protected, it also
return the old and new value of protected variables number.
REMARK
A number of protected variables are set in the start-up file scilab.star.
User may in particular set its own predefined variables in user's
startup file home/.scilab
SEE ALSO
clear, save
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