有点hacky,但这对你有用吗(bash
)?
这只是为了模拟代码块二进制(./codeblocks
):
$ cat codeblocks
#!/bin/bash
num=$RANDOM
((num %= 2))
case "$num" in
0)
echo "codeblocks finished successfully: $*"
exit 0
;;
1)
echo "*** glibc detected *** codeblocks: corrupted double-linked list" 1>&2
while true; do
sleep 1
done
;;
esac
这是实际的测试脚本 ( test.sh
):
$ cat test.sh
#!/bin/bash
run_codeblocks()
{
until (
subshell_pid=$BASHPID
echo "trying to run 'codeblocks $*'"
./codeblocks "$@" 2>&1 | while read line; do
echo "[${line}]"
[[ ${line} == *"*** glibc detected ***"* ]] && kill $subshell_pid
done
return 0
); do
:
done
}
echo "running codeblocks ..."
run_codeblocks 1
run_codeblocks 2
run_codeblocks 3
echo "... done"
你将调用包装codeblocks
在一个子shell中,grep它的输出,如果一行与你所说的错误匹配,就会杀死子shell。基本上和你描述的完全一样。
$ ./test.sh
running codeblocks ...
trying to run 'codeblocks 1'
[codeblocks finished successfully: 1]
trying to run 'codeblocks 2'
[*** glibc detected *** codeblocks: corrupted double-linked list]
./test.sh: line 4: 29889 Terminated ( subshell_pid=$BASHPID; echo "trying to run 'codeblocks $*'"; ./codeblocks "$@" 2>&1 | while read line; do
echo "[${line}]"; [[ ${line} == *"*** glibc detected ***"* ]] && kill $subshell_pid; return 0;
done )
trying to run 'codeblocks 2'
[*** glibc detected *** codeblocks: corrupted double-linked list]
./test.sh: line 4: 29892 Terminated ( subshell_pid=$BASHPID; echo "trying to run 'codeblocks $*'"; ./codeblocks "$@" 2>&1 | while read line; do
echo "[${line}]"; [[ ${line} == *"*** glibc detected ***"* ]] && kill $subshell_pid; return 0;
done )
trying to run 'codeblocks 2'
[codeblocks finished successfully: 2]
trying to run 'codeblocks 3'
[*** glibc detected *** codeblocks: corrupted double-linked list]
./test.sh: line 4: 29903 Terminated ( subshell_pid=$BASHPID; echo "trying to run 'codeblocks $*'"; ./codeblocks "$@" 2>&1 | while read line; do
echo "[${line}]"; [[ ${line} == *"*** glibc detected ***"* ]] && kill $subshell_pid; return 0;
done )
trying to run 'codeblocks 3'
[codeblocks finished successfully: 3]
... done