There is a newline problem when passing shell script parameters \r

Recently, with Nodepad++ Write Shell When the script passes parameters dynamically , It is found that sometimes parameters carry \r A newline , The editor is also Shell Script language . At first glance, I knew it was the problem of line breaks , But some scripts don't bring \r Symbol , Some with , Really ！

Question why ：

• Unix In the system , Each line ends with "< Line break >”, namely "\n";
• Windows In the system , Each line ends with "< Line break >< return vehicle >”, namely "\n\r”.

So when you go from Windows Put the script into Linux After the , Will be able to "\n\r” Bring together

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resolvent ：

allSyncTask.sh： Script name , Customize

1. Use command ：

dos2unix allSyncTask.sh

Can't find dos2unix On command , install dos2unix：

yum install dos2unix
yum install unix2dos

2. Get rid of "\r" command ：（ Remember not to use two ", Otherwise, all belts r The letters will be replaced ）

sed -i "s/\r//" allSyncTask.sh

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