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Compilation error character is missing-UNIX shell script

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# 1  
Old 02-11-2017
Compilation error character is missing-UNIX shell script
Dear Friends,
Regarding Compilation error character is missing-unix shell script
I am new to unix shell script.

My requirement is --I need to find out 3 files in my UBM unix directory,if any one(CMUSER) file is available means,then i need to exit from my unix script,

Below is my unix shell script logic and need to check with you guys why I am getting compilation error( mentioned all details). please answer specific to my question..

Code:
cd /$UBCS
if [ -f /$UBM/CSUSER.LOCKED -o -f /$UBM/CSUSER.START]
     -o f /$UBM/CSUSER.UPDATE ];
then
   exit;
fi

my compilation error below
===================

Code:
Enter script to execute: atm-autopbf
/rd23/gilbat/R2016/ubcs/atm-autopbf[38]: test: 0403-021 **A ] character is missing**
.
/rd23/gilbat/R2016/ubcs/atm-autopbf**[39]: -o:  **not found.****

 Not running C/S (SHELMATE MAXSESSIONS=0). Aborting ...

Press <ENTER> to continue:

Moderator's Comments:
Mod Comment Please take care to start threads in there proper forum. Moved to "UNIX for Beginners Questions & Answers"
Last edited by Scrutinizer; 02-11-2017 at 07:35 AM.. Reason: code tags
# 2  
Old 02-11-2017
There are several things:
  • There should be a space before the closing ], anyway it should not be there
  • A minus sign is missing before -f
  • The last part is on a new line, so it either should be one line above or the should be a backslash as the last character on the line before


--
Note: The use of -o in test commands is deprecated. Consider using something like:

Code:
if
  [ -f "/$UBM/CSUSER.LOCKED" ] ||
  [ -f "/$UBM/CSUSER.START"  ] ||
  [ -f "/$UBM/CSUSER.UPDATE" ]
then

# 3  
Old 02-11-2017
The reason the [ and ] characters have be set apart is that they are actually commands in terms of how the shell interprets them. Like awk or find.

For example on most systems if you use ls to list files in your /bin directory
Code:
$  ls -l /bin/[  
-rwxr-xr-x 1 Owner None 64019 Dec 16 15:54 '/bin/['

You will see a file that is named [ . Weird, I know, but it is a command and needs spaces around it like any other self-respecting word.
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