until statement not working


 
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# 1  
Old 06-24-2009
until statement not working

im trying to write an until statement which dont go onto the next stage until the user inputs a certain phrase. It is then stored in an array. Ive come up with this code so far but its not working and i dont know why.
Code:
read in1
    until [ $in1 = 'lt' || $in1 = 't' || $in1 = 'rt' ]
        do 
        echo "Incorrect, try again"
        read in1
        done
    arr[$i]=$in1

please help me
# 2  
Old 06-24-2009
Quote:
Originally Posted by strasner
im trying to write an until statement which dont go onto the next stage until the user inputs a certain phrase. It is then stored in an array. Ive come up with this code so far but its not working and i dont know why.
Code:
read in1
    until [ $in1 = 'lt' || $in1 = 't' || $in1 = 'rt' ]
        do 
        echo "Incorrect, try again"
        read in1
        done
    arr[$i]=$in1

please help me
This line:

Code:
until [ $in1 = 'lt' || $in1 = 't' || $in1 = 'rt' ]

should be:

Code:
until [ $in1 = 'lt' -o $in1 = 't' -o $in1 = 'rt' ]

Or with the ksh syntax:
Code:
until [[ $in1 = 'lt' || $in1 = 't'  || $in1 = 'rt' ]]

# 3  
Old 06-24-2009
thanks alot, youve saved my morning
 
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