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Simple bash problem.



Anyone know why the following simple bash script fails
on RHEL3 (fully patched)?  It seems the "trap" command
is being silently ignored.


--------------------------------------------
#!/bin/sh

sigtrap () {
    echo "Caught signal!"
    exit 0
}

trap sigtrap 1 2 3 15

while read X; do
    echo $X
done
--------------------------------------------


Simon Ashford.

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