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newt: improve input filtering

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This commit is contained in:
stanley lieber 2014-04-09 01:57:03 -04:00
parent ea3c192bb5
commit 794197adb1
1 changed files with 4 additions and 2 deletions
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2
rc/bin/newt
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@ -154,8 +154,10 @@ while(){
cmd=`{read}
switch($cmd){
case [0-9]*
if(grep -s -e '^[0-9]+$' <{echo $cmd(1)}){
post=$cmd(1)
printp $post
}
case b
if(! ~ $post $posts(1)){
post=`{echo $post^-1 | bc}