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Shell Programming and Scripting

limiting data inputs for the user

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# 8  
Old 05-15-2008
Thanks Very Much !!! Smilie
# 9  
Old 05-15-2008
now that i have done it for months

how do i restrict user inputs for date based on the month chosen?

is it:

Code:
while true; do 
  echo " "
  echo "Enter Date of the Month (1-31): "
  read DATE
  case $DATE in [1-31]);;
  *) echo " "
  echo "Invalid date, try again" >&2;;
  esac
done

grep $4 "$DATE" *.hits >tempfile

# 10  
Old 05-15-2008
The wildcard is not valid, you are looking for 1-3 or 1.

Code:
case $DATE in [1-9]|[12][0-9]|3[01]) break;;
   *) echo Invalid date, try again >&2;;
esac

Adapting it to be stricter for February etc left as an exercise ... Maybe you could put the upper limit of the range in a variable when you read the month.

(I'd hate to use a script which prompts interactively, myself.)
# 11  
Old 05-15-2008
ok i have entered this to limit it from dates 1-31

Code:
case $DATE in [1-9]|[12][0-9]|3[01]) break;;
   *) echo Invalid date, try again >&2;;
esac

but it doesnt work. it will come up to enter the date but no matter what date i enter it just asks me to enter again.
# 12  
Old 05-16-2008
1-9, 10-29, and 30-31 should work, are you saying they don't?
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