Replace "bashism" with POSIX syntax.
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@ -114,7 +114,7 @@ fi
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if test x"$action" = x'reset'; then
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xwininfo -root -tree \
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| sed -n 's/^ \(0x[[:xdigit:]]*\).*/\1/p' \
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| while IFS=$'\n' read wid; do
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| while IFS=$(printf '\n') read wid; do
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xprop -id "$wid" -remove _NET_WM_WINDOW_OPACITY
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done
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exit 0
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