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author | cvpcs <root@cvpcs.org> | 2010-06-02 11:02:31 -0500 |
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committer | cvpcs <root@cvpcs.org> | 2010-06-02 11:02:31 -0500 |
commit | 772f20abb0a3a0979c440114bf3a1cff5b3cef03 (patch) | |
tree | 3384b9291d73a12542c526a8557218c7435491b0 /examples/functions/notify.bash | |
download | external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.zip external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.gz external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.bz2 |
initial import of bash 4.1
Diffstat (limited to 'examples/functions/notify.bash')
-rw-r--r-- | examples/functions/notify.bash | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/examples/functions/notify.bash b/examples/functions/notify.bash new file mode 100644 index 0000000..dafbac5 --- /dev/null +++ b/examples/functions/notify.bash @@ -0,0 +1,58 @@ +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 +} |