N年前shell的簡單練習,記錄下。
#!/system/bin/sh
#if laptop we should use /bin/bash
#to print meminfo & procrank
#function:每個1分鐘,自動抓取一次設備的meminfo存入sdcard中
file1=/storage/sdcard0/meminfo.txt
file2=/storage/sdcard0/procrank.txt
#count=5
if [ -f $file1 -a -f $file2 ]; then
echo "file existed"
else
touch $file1
touch $file2
fi
#while [ $count -ge 0 ]
while :
do
# let count-=1
echo "--** `date` **--" >> $file1
echo "--** `date` **--" >> $file2
cat /proc/meminfo >> $file1
procrank >> $file2
sleep 60
done