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Make scipt except from "Y","y" and "yes" to take [Enter] as being "yes"

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Top Forums Shell Programming and Scripting Make scipt except from "Y","y" and "yes" to take [Enter] as being "yes"
# 1  
Old 12-11-2010
Make scipt except from "Y","y" and "yes" to take [Enter] as being "yes"
This is the script:
Code:
#!/bin/sh
if [ -s /usr/share/WallpaperChanger ]; then rm -rf /usr/share/WallpaperChanger; fi
if [ -s /usr/bin/wallch ]; then rm -rf /usr/bin/wallch; fi;
if [ -s /usr/share/applications/wallch.desktop ]; then rm -rf /usr/share/applications/wallch.desktop; fi
if [ -s /usr/share/doc/wallch ]; then rm -rf /usr/share/doc/wallch; fi
if [ -s /usr/share/man/man1/wallch.1.gz ]; then rm -rf /usr/share/man/man1/wallch.1.gz; fi
echo "Delete configuration files?(y|n)"
read YN
if [ X"$YN" = X"y" -o X"$YN" = X"Y" ]; then
if [ -s /home/`logname`/.config/WallpaperChanger/ ]; then rm -rf /home/`logname`/.config/WallpaperChanger/; fi
fi
echo "Unistallation complete"

I tried
if [ X"$YN" = X"y" -o X"$YN" = X"Y" -o X"$YN" = X"" ];
but it doesn't work. Any ideas?
# 2  
Old 12-11-2010
I think if [ X"$YN" = X"y" -o X"$YN" = X"Y" ] could be replaced by if [[ $YN = [yY] ]]

You could also use the case statement
Code:
case $YN in
   y|Y|yes|YES)   rm -rf /home/`logname`/.config/WallpaperChanger/ ;;
esac

# 3  
Old 12-11-2010
Quote:
Make scipt except from "Y","y" and "yes" to take [Enter] as being "yes"
This can be checked like

Code:
read YN

if [ -z "$YN" ] ; then
    YN="y"
fi

case "$YN" in
    y|Y|yes|YES)   rm -rf /home/`logname`/.config/WallpaperChanger/ ;;
esac

R0H0N
# 4  
Old 12-11-2010
If forgot that requirement. Then YN=${YN:-y} can do the job.
# 5  
Old 12-11-2010
Hammer & Screwdriver
Ok, thank you very much!
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