在Bash脚本中期望超时

发布时间：2020-12-15 18:38:58 所属栏目：安全来源：网络整理

导读：如何在以下脚本中为“expect”添加超时？我想把它设置为120秒. #!/bin/bashHOST="localhost"USER="myuname"PASS="mypassword"VAR=$(expect -c "spawn ssh $USER@$HOSTexpect "password:"send "$PASSr"expect "\$"send "lsr"expect -re "$USER.

如何在以下脚本中为“expect”添加超时？我想把它设置为120秒.

#!/bin/bash
HOST="localhost"
USER="myuname"
PASS="mypassword"

VAR=$(expect -c "
spawn ssh $USER@$HOST
expect "password:"
send "$PASSr"
expect "\$"
send "lsr"
expect -re "$USER.*"
send "logout"
")

echo "==============="
echo "$VAR"

根据其联机帮助页,期望的默认超时为10秒.要将其更改为120秒,在生成ssh $USER @ $HOST之前,请添加该行

set timeout 120

做到这一点

VAR=$(expect -c "
set timeout 120
spawn ssh $USER@$HOST
expect "password:"
send "$PASSr"
expect "\$"
send "lsr"
expect -re "$USER.*"
send "logout"
")

（编辑：李大同）

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