Исправление
Spoofing,
(текущая версия)
:
#!/bin/sh
main() {
echo делаем бесполезную работу
}
die() {
rm "$@/script.lock"
}
test -d "$@" || {
echo "$@" is not a directory
exit
}
test -a "$@/script.lock" && {
echo $0 is already running in "$@" directory
exit
}
> "$@/script.lock"
trap die INT
main "$@"
die "$@"
Исходная версия
Spoofing,
:
#!/bin/sh
main() {
echo делаем бесполезную работу
}
die() {
rm "$@/script.lock"
}
test -d "$@" || {
echo "$@" is not a directory
exit
}
test -a "$@/script.lock" && {
echo $0 is already running in "$@" directory
exit
}
> "$@/script.lock"
trap die INT
main "$@"
die