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Usage of flower braces {} with test command

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# 1  
Old 08-20-2015
Usage of flower braces {} with test command
hello team,

I'm facing the problem with below code set with usage of {},
i want to use {} instead of (), as i don want bash to fork a new shell.

Source :
If you invoke the exit in a subshell, it will not pass variables to the parent. Use { and } instead of ( and ) if you do not want Bash to fork a subshell.

Code:
[ "`locate *asdfghjcluster_info*`" == "" ] && {echo  - ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting..; exit 1; }

But the ouput is :
Code:
./try_pet_ha_service_restart_automation.sh: line 26: syntax error near unexpected token `}'
./try_pet_ha_service_restart_automation.sh: line 26: `[ "`locate *asdfghjcluster_info*`" == "" ] && {echo  - ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting..; exit 1; }'

i want the "exit" inside {}, should exit the script execution.

Regards,
Chandana
# 2  
Old 08-20-2015
put the first command on a new line, and last brace to i think
This User Gave Thanks to gwillie For This Post:
chandana.hs
# 3  
Old 08-20-2015
There is a space missing after the opening curly brace and I'd put the output into quotes:
Code:
[ "`locate *asdfghjcluster_info*`" == "" ] && { echo  "- ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting.."; exit 1; }

This User Gave Thanks to cero For This Post:
chandana.hs
# 4  
Old 08-20-2015
You haven't said what OS and shell you're using, so you should also be aware that the way echo behaves when its 1st argument starts with a minus sign (as in your code) or has any argument that contains a backslash character, varies from operating system to operating system and from shell to shell. For portable code, printf would be better than echo as in:
Code:
[ "`locate *asdfghjcluster_info*`" == "" ] && { printf '%s\n' "- ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting.."; exit 1; }

This User Gave Thanks to Don Cragun For This Post:
chandana.hs
# 5  
Old 08-20-2015
It wants a space (or a newline) between { and echo.
Further a leading - can mean an option to the echo command, and the shell evaluates the text and might stumble on a ..
The following fixes it:
Code:
{ echo  " - ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting.."; exit 1; }

This User Gave Thanks to MadeInGermany For This Post:
chandana.hs
# 6  
Old 08-25-2015
Thanks,

Both the commands worked..!Smilie

{ echo "- ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting.."; exit 1; }

{ printf '%s\n' "- ERROR : required cluster_info NIPE file used for installation/upgrade is missing.. exiting.."; exit 1; }

Regards,
Chandana
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