limiting data inputs for the user - Page 2 - Shell Programming and Scripting

amatuer_lee_3 · #8 05-15-2008

Thanks Very Much !!!

amatuer_lee_3 · #9 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

era · #10 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.)

amatuer_lee_3 · #11 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.

era · #12 05-15-2008

1-9, 10-29, and 30-31 should work, are you saying they don't?

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