本文介绍了在BASH脚本中注释的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何对脚本中以下行的每一行进行注释:
How can I comment on each line of the following lines from a script:
cat ${MYSQLDUMP} | \
sed '1d' | \
tr ",;" "\n" | \
sed -e 's/[asbi]:[0-9]*[:]*//g' -e '/^[{}]/d' -e 's/""//g' -e '/^"{/d' | \
sed -n -e '/^"/p' -e '/^print_value$/,/^option_id$/p' | \
sed -e '/^option_id/d' -e '/^print_value/d' -e 's/^"\(.*\)"$/\1/' | \
tr "\n" "," | \
sed -e 's/,\([0-9]*-[0-9]*-[0-9]*\)/\n\1/g' -e 's/,$//' | \
sed -e 's/^/"/g' -e 's/$/"/g' -e 's/,/","/g' >> ${CSV}
如果我尝试添加注释说 cat $ {MYSQLDUMP} | \ #Output MYSQLDUMP文件
我得到 #Delete:not found
这里可以注释或不是因为| \
I get "#Delete: not found" ?Is it possible to comment here or not because of " | \ "
推荐答案
但在技术上它确实回答了你的问题
This will have some overhead, but technically it does answer your question
echo abc `#put your comment here` \
def `#another chance for a comment` \
xyz etc
具体来说,没有开销的清洁解决方案
And for pipelines specifically, there is a clean solution with no overhead
echo abc | # normal comment OK here
tr a-z A-Z | # another normal comment OK here
sort | # the pipelines are automatically continued
uniq # final comment
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