想問一個問題. 有個範例是我想讓使用者輸入分鐘 我轉為秒數
範例是這樣寫的:
#!/bin/csh
if ( $#argv == 0 ) then
echo -n "Enter time in minute: "
@ min = $<
else
@ min = $1
endif
@ sec = $min * 60
echo "$min minutes is $sec seconds"
但我不懂為什麼這邊需要用if,我嘗試拿掉if還真的不能使用
如下
echo -n "Enter time in minute: "
@ min = $<
@ sec = $min * 60
echo "$min minutes is $sec seconds"
求解~~