When the windows shell script notepad ++ to edit, copy centos to perform, given as follows:
Possible reasons for the error:
The reason 1: Windows is the default dos text format, line breaks CR LF . Linux is a unix text format, line breaks LF . Further, the line breaks the Mac text is CR .
1 to solve: the format to turn dos unix format, then the script will not execute the error.
Conversion mode 1: in the windows, bottom right notepad ++ editor document format can be edited directly, as shown:
Conversion mode 2: In Linux, open the script with vim
Use: set ff can view the file format
With: set ff = unix may set the file format unix:
Conversion Mode 3: In Linux, with dos2unix tool to convert:
yum -y install dos2unix
dos2unix myScript.sh
2 reasons: errors shell script format. A quick check with the following command if the script formatting errors:
sh -n myScript.sh
Solve 2: syntax error checking scripts, can be corrected.
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My error reasons:
Investigation for a long time and found that the error is not due to formatting issues. But grammatical errors, as follows:
2019-12-25，Merry Christmas~