當|bc也在指令中的時候 如何"echo"不換行?! - Linux

By Edward Lewis
at 2010-12-09T10:53
at 2010-12-09T10:53
Table of Contents
例如說 我有以下指令在script裡
x=100
echo "scale=2; sqrt($x)/3" |bc
echo " dollars"
輸出會是
3.33
dollars
如果我想要這樣的輸出:
3.33 dollars
我應該怎麼做呢?
我試過
echo -n "scale=2; sqrt($x)/3" |bc
和
echo -e "scale=2; sqrt($x)/3" |bc /c
但是都不成功
請高手幫幫忙 先謝謝了! =)
--
x=100
echo "scale=2; sqrt($x)/3" |bc
echo " dollars"
輸出會是
3.33
dollars
如果我想要這樣的輸出:
3.33 dollars
我應該怎麼做呢?
我試過
echo -n "scale=2; sqrt($x)/3" |bc
和
echo -e "scale=2; sqrt($x)/3" |bc /c
但是都不成功
請高手幫幫忙 先謝謝了! =)
--
Tags:
Linux
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