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119 lines
2.1 KiB
Bash
Executable File
119 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# getans prompt type default results_filename
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# type is one of
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# number
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# integer
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# neginteger
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# file default=default filename
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# path
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# yesno default=0,1 corres yes or no
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# string (default)
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RAWPMPT=$1
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TYP=$2
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DFLT=$3
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OFNM=$4
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ny0="no"; ny1="yes"
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if [ ${TYP} = "yesno" ]; then
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eval ny=\$ny${DFLT}
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pmpt="${RAWPMPT} [$ny]: "
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else
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if [ -z "${DFLT}" ]; then
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pmpt="${RAWPMPT}"
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else
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pmpt="${RAWPMPT} [${DFLT}]: "
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fi
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fi
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if [ x"`echo -n`" = x-n ]
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then
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c=\\c
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else
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n=-n
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fi
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while :
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do
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echo $n "$pmpt"$c
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read input
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case "$TYP" in
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number)
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tmp=`echo $input | tr -d 0123456789.`
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if [ -n "$tmp" ]; then
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echo "Invalid number. Please try again."
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continue
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fi
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;;
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integer)
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tmp=`echo $input | tr -d 0123456789`
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if [ -n "$tmp" ]; then
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echo "Invalid integer. Please try again."
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continue
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fi
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;;
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neginteger)
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if [ "x$input" != "x-1" ]; then
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tmp=`echo $input | tr -d 0123456789`
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if [ -n "$tmp" ]; then
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echo "Invalid integer. Please try again."
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continue
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fi
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fi
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;;
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file)
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if [ -z "$input" ]; then
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input=${DFLT}
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fi
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if [ ! -f "$input" -a ! -d "$input" ]; then
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echo "The file $input does not exist. Please try again."
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continue
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fi
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;;
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path)
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if [ -z "$input" ]; then
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input="${DFLT}"
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fi
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if [ ! -f "$input" ]; then
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path=`echo $PATH | sed -e s'/::/ . /g' -e 's/:/ /g'`
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x=
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for elt in $path; do
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if [ -f "$elt/$input" ]; then x=1; break; fi
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done
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if [ -z "$x" ] ;then
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echo "The command $input was not found. Please try again."
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continue
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fi
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fi
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;;
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yesno)
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if [ -z "$input" ]; then
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input="${DFLT}"
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else
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case $input in
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y | yes)
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input=1 ;;
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n | no)
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input=0 ;;
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*)
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echo 'Please answer "yes" or "no".'
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continue ;;
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esac
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fi
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;;
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*) ;;
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esac
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break
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done
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if [ -z "$input" ]; then
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input="${DFLT}"
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fi
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echo $input > ${OFNM}
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