擅长:python、mysql、java
<p>给你。在</p>
<pre><code>awk -F, 'NR == 1 {print}
NR > 1 {
printf $1;
for (ii = 2; ii <= NF; ii++){
printf(",%1.2e", $ii)
}
print ""}' input.txt
</code></pre>
<p><a href="https://www.gnu.org/software/gawk/manual/html_node/Control-Letters.html#Control-Letters" rel="nofollow noreferrer">reference for printf</a>可能会派上用场。在</p>