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如何将具有多个环境变量 $VAR 的大字符串的评估存储到另一个环境变量中？

tag-icon • tag-icon bash string eval
如何将具有多个环境变量 $VAR 的大字符串的评估存储到另一个环境变量中？

因为我需要确保对 nohup 命令运行身份验证我需要将要运行的真正命令放在此处的字符串中：

nohup sh -c 'echo $SU_PASSWORD | /afs/cs/software/bin/reauth; python -u $RUN_CMD' > $PWD/nohup.out$SLURM_JOBID &

我尝试创建字符串并将其存储在变量中$RUN_CMD，例如

export RUN_CMD='${!HOME}/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE'

但我无法让它发挥作用。我该怎么做？我的尝试：

(metalearning_gpu) brando9~ $ export RUN_CMD='${!HOME}/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE'
(metalearning_gpu) brando9~ $ echo $RUN_CMD
${!HOME}/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE

(metalearning_gpu) brando9~ $ export RUN_CMD=$(echo '$HOME/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE')
(metalearning_gpu) brando9~ $ echo $RUN_CMD
$HOME/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE

(metalearning_gpu) brando9~ $ export RUN_CMD=$(echo '${!HOME}/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE')
(metalearning_gpu) brando9~ $ echo $RUN_CMD
${!HOME}/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE

(metalearning_gpu) brando9~ $ export RUN_CMD=(eval '$HOME/diversity-for-predictive-success-of-meta-learning/div_src/diversity_src/experiment_mains/main_diversity_with_task2vec.py --manual_loads_name diversity_ala_task2vec_delauny > $OUT_FILE 2> $ERR_FILE')
(metalearning_gpu) brando9~ $ echo $RUN_CMD
eval

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