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Shell code does not respond as long as, loop, date

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[系统(linux) 所属分类 系统(linux) | 发布者 店小二05 | 时间 2018 | 作者 红领巾 ] 0人收藏点击收藏

I commented my while loop in order to test it, but I have a few things wrong with my shell script.

name = "" while [test -z name]; do echo "Please enter your name:" read name done echo "Hello $name" echo $date hour = $(date +H) if test $hour -ge 9 then echo "Welcome you are on time again!" else echo "You are running behind your scheduled time!" echo "Employees must be logged in by 9 am." echo "$name arrived late on $date" >> checkin fi

When while is not commented, it does not enter the loop. I assume this has something to do with my conditional. It also does not correctly enter the if statement. I'm not sure what the correct format for this is.

The output looks like this:

project2: line 1: name: command not found project2: line 2: [test: command not found Hello project2: line 8: hour: command not found project2: line 9: [test: command not found You are running behind your scheduled time! Employees must be logged in by 9 am.

Edit2: Don't know if this is legal but here it goes:

The while loop was fixed, thanks guys. Any idea what's going on with my if statement?

New code:

name = "" while test -z "$name" do echo "Please enter your name:" read name done echo "Hello $name" echo $date hour = $(date +H) if test "$hour" -ge "9" then echo "Welcome you are on time again!" else echo "You are running behind your scheduled time!" echo "Employees must be logged in by 9 am." echo "$name arrived late on $date" >> checkin fi

Output

Please enter your name: Please enter your name: Please enter your name: Jack Hello Jack project2: line 9: hour: command not found project2: line 10: test: : integer expression expected You are running behind your scheduled time! Employees must be logged in by 9 am.

The "Please enter your name" repeat is correct as per the code and imput. Any idea what's going on with the if statement? This is bash shell, I probably should have mentioned.

Variable assignments shouldn't contain spaces around = .

Statements using [...] must have a space after the open and space before the close brackets. Variables must be prefixed with $ . while [ -z "$name" ] should be sufficient to test if name is empty.

You should change from hour=$(date +H) to hour=$(date +%H) to actually assign the hour value instead of the letter H .

echo $date refers to a variable named date . But you don't have a variable named date so it will print empty.

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