重击：
LD_LIBRARY_PATH=my_path
sqsub -np $1 /path/to/executable
在Python中类似：
import os
import subprocess
import sys
os.environ['LD_LIBRARY_PATH'] = "my_path" # visible in this process + all children
subprocess.check_call(['sqsub', '-np', sys.argv[1], '/path/to/executable'],
env=dict(os.environ, SQSUB_VAR="visible in this subprocess"))
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