shell - 输出到文件时外壳换行的问题(problem with shell new line when output to file)

Question

i have a problem when I want to output several variables to txt file in shell.

(我想将几个变量输出到Shell中的txt文件时遇到问题。)

I want them in one line, but there appear line break after first and third variable.

(我希望它们排成一行，但是在第一个和第三个变量之后会出现换行符。)

I have for example this

(我有这个)

for s in `ls $TESTDIR/results_orig.txt`
    do 
        t_a=(`grep "    a" $s`);
        t_b=(`grep "Bytes written to file: " $s`);
        t_c=(`grep " Total Time:" $s`);
        t_d=(`grep "QP                           " $s`);

        a=${t_a[2]};
        b=${t_b[4]};
        c=${t_c[3]};    
        d=${t_d[2]};

        echo "$a $b $c $d" >> $TESTDIR/results.txt;
    done

I got the variables t_a to t_d are after I parse original txt file to find some values in it.

(在解析原始txt文件以在其中找到一些值之后，我得到了变量t_a至t_d。)

Than I want to find some number ant write them in file without other text that I have in original file.

(比我想找到一些蚂蚁将它们写在文件中，而没有我在原始文件中拥有的其他文本。)

And I want it to write those parsed numbers in one line in new file, like

(我希望它在新文件的一行中写入这些解析后的数字，例如)

13.2 1678 3231.5 2422.1

And I get

(我得到)

13.2 1678 3231.5 2422.1

When I echo any variable separately to the console I get right values.

(当我分别向控制台回显任何变量时，我得到了正确的值。)

So variables are parsed fine.

(因此可以很好地解析变量。)

What could be wrong?

(有什么事吗)

Thank you.

(谢谢。)

  ask by MilosR. translate from so

Answer 1

等待大神答复