/usr/share/doc/bash/examples/functions/notify.bash is in bash-doc 4.2+dfsg-0.1+deb7u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | trap _notify CHLD
NOTIFY_ALL=false
unset NOTIFY_LIST
unalias false
false()
{
return 1
}
_notify ()
{
local i j
local newlist=
if $NOTIFY_ALL
then
return # let bash take care of this itself
elif [ -z "$NOTIFY_LIST" ]; then
return
else
set -- $NOTIFY_LIST
for i in "$@"
do
j=$(jobs -n %$i)
if [ -n "$j" ]; then
echo "$j"
jobs -n %$i >/dev/null
else
newlist="newlist $i"
fi
done
NOTIFY_LIST="$newlist"
fi
}
notify ()
{
local i j
if [ $# -eq 0 ]; then
NOTIFY_ALL=:
set -b
return
else
for i in "$@"
do
# turn a valid job spec into a job number
j=$(jobs $i)
case "$j" in
[*) j=${j%%]*}
j=${j#[}
NOTIFY_LIST="$NOTIFY_LIST $j"
;;
esac
done
fi
}
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