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tundra / tpromptuser
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Fixed bug that occured when user provided one of the correct answers.
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1 parent 6de0b9b commit d1526f212189603e3d0239a49a48b6ccc628ec48
@tundra tundra authored on 7 Oct 2010
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 tpromptuser.sh
# specification of a default response and a list of legitimate
# single character answers to the prompt. If this list is empty,
# then any response to the prompt is accepted.
 
# $Id: tpromptuser.sh,v 1.101 2010/10/07 18:26:58 tundra Exp $
# $Id: tpromptuser.sh,v 1.102 2010/10/07 18:34:13 tundra Exp $
 
#####
# Constants
#####
# Layout Of Fields In Prompt Record:
#
# Prompt<delim>Default Response (If user just hits Enter)<delim>Legal Answers
 
foo="Would you like to foo?${DL}Y${DL}" # Empty last field means accept anything
# Examples
 
foo="Would you like to foo?${DL}Y${DL}" # Empty last field means accept anything
bar="Would you like to bar?${DL}\!${DL}y Y n N"
baz="Would you like to baz?${DL}n${DL}yes Yes no No "
bat="Would you like to bat?${DL}""${DL}yes Yes no No "
baz="Would you like to baz?${DL}n${DL}yes Yes no No"
bat="Would you like to bat?${DL}${DL}yes Yes no No "
 
 
# Display the records for purposes of this example only
 
echo "Before: foo->$foo bar->$bar baz->$baz bat->$bat"
 
 
# ---------- Nothing Should Change Below This Line ---------- #
 
#####
# Actual Prompting Logic
#####
# Now read input and check it against list of valid responses
DONE=False
 
while [ $DONE = False ]
while [ _$DONE = _False ]
do
 
read -p "${prompt} (Default: ${default}) " ANS
 
# We're done if the user took the default OR if the "Legal
# Answers" field is empty (which means we accept anything)
 
if [ _$ANS = _ ] || [ _$answers = _ ]
if [ _$ANS = _ ] || [ _"$answers" = _ ]
then
DONE=True
 
# Otherwise, make sure answer is legit