linuxshell日常脚本命令之if判断

shell脚本if中判断大于、小于、等于、不等于的符号

脚本有问题，有没有哪位大佬能帮忙检查一下？

#!/bin/bash#run_num=$(squeue | grep shifting | wc -l)
run_num=`squeue | grep shifting | wc -l`
#run_num=$(squeue | grep shifting | wc -l 2>&1)while true;do#if [ $(echo "$run_num") -eq 0 ];thenfor i in $(seq 2 9);doname=$(printf len300_0%d $i)cd $name || exit 1#model_num=$(ls *model.pdb | wc -l)model_num=$(ls -l *model.pdb 2>/dev/null | wc -l)if [ $(echo "$model_num") -eq 1200 ];thencd ../ || exit 1elif [ $(echo "$model_num") -eq 0 ]&&[ $(echo "$run_num") -le 197 ];then#filepath=$(pwd)cd Submitnohup python submit.py & cd ../../fidone#fi       sleep 300
done

#!/bin/bashwhile true; dofolder_completed=falsefor i in $(seq 2 9); doname=$(printf len300_0%d $i)cd $name || exit 1model_num=$(ls -l *model.pdb 2>/dev/null | wc -l)run_num=$(squeue | grep shifting | wc -l)if [ "$model_num" -eq 1200 ]; thencd ../ || exit 1folder_completed=truebreak  # 终止内层循环，避免继续检查其他文件夹elif [ "$model_num" -eq 0 ] && [ "$run_num" -le 197 ]; thencd Submitnohup python submit.py &cd ../../folder_completed=truebreak  # 终止内层循环，避免继续检查其他文件夹fi#cd ../ || exit 1done# 如果当前文件夹已完成，就不要进行休眠和外层循环的下一次迭代if [ "$folder_completed" = true ]; thencontinuefisleep 1800
done