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Full Discussion: Awk print to file problem
Top Forums Shell Programming and Scripting Awk print to file problem Post 302501736 by Corona688 on Friday 4th of March 2011 01:03:05 PM
Old 03-04-2011
Code:
if [ ! "$CRM"/TEST_* = "$CRM"'/TEST_*' ]

That will fail with "too many arguments" whenever there's more than one directory and bomb the whole script!

I usually try something like
Code:
for FILE in "${CMR}"/TEST_*
do
    [ -d "$FILE" ] || continue # Don't run awk on nonexistent dirs
    # Store output in temporary file /tmp/$$
    # then overwrite the original's contents
    awk -F\| '$11~/(tbc|123456|to follow)/{$11=x} 1' OFS="|" < "$FILE" > /tmp/$$ &&
        cat /tmp/$$ > "$FILE"
done
rm -f /tmp/$$

...but even without the 'continue' check nothing bad will happen beyond awk printing an error message.

---------- Post updated at 12:03 PM ---------- Previous update was at 12:01 PM ----------

Quote:
Originally Posted by TasosARISFC
Code:
 
CRM='mypath'
ls $CRM | grep TEST
if [ $? -eq 0 ]
  then
    for FILE in "${CRM}"/TEST*
    do
        # Store output in temporary file /tmp/$$
        # then overwrite the original's contents
        awk -F\| '$11=="to follow"||$11=="test"||$11=="tbc"||$11=="123456"||$11=="TBC"{$11=""} 1' OFS="|" < "$FILE" > /tmp/$$ &&
            cat /tmp/$$ > "$FILE"
 
    done
  rm /tmp/$$
fi

Thank you all for your help
The "ls $CRM | grep TEST" does absolutely nothing now unless you just want it printing to console for some reason. You can remove it.
This User Gave Thanks to Corona688 For This Post:
Chubler_XL
 

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LEARN ABOUT SUSE

crmadmin

CRMADMIN(8)							  [FIXME: manual]						       CRMADMIN(8)

NAME

       crmadmin - control the Cluster Resource Manager

SYNOPSIS

	   crmadmin [-V|-q] [-i|-d|-K|-S|-E] node

	   crmadmin [-V|-q] -N -B

	   crmadmin [-V|-q] -D

	   crmadmin -v

	   crmadmin -?

DESCRIPTION

       crmadmin was originally designed to control most of the actions of the CRM daemon. However, the largest part of its functionality has been
       made obsolete by other tools, such as crm_attribute and crm_resource. Its remaining functionality is mostly related to testing and the
       status of the crmd process.

	   Warning
	   Some crmadmin options are geared towards testing and cause trouble if used incorrectly. In particular, do not use the --kill or
	   --election options unless you know exactly what you are doing.

OPTIONS

       --help, -?
	   Print the help text.

       --version, -v
	   Print version details for HA, CRM, and CIB feature set.

       --verbose, -V
	   Turn on command debug information.

	       Note
	       Increase the level of verbosity by providing additional instances.

       --quiet, -q
	   Do not provide any debug information at all and reduce the output to a minimum.

       --bash-export, -B
	   Create bash export entries of the form export uname=uuid. This applies only to the crmadmin -N node command.

	   Note
	   The -B functionality is rarely useful and may be removed in future versions.

COMMANDS

       --debug_inc node, -i node
	   Increment the CRM daemon's debug level on the specified node. This can also be achieved by sending the USR1 signal to the crmd process.

       --debug_dec node, -d node
	   Decrement the CRM daemon's debug level on the specified node. This can also be achieved by sending the USR2 signal to the crmd process.

       --kill node, -K node
	   Shut down the CRM daemon on the specified node.

	       Warning
	       Use this with extreme caution. This action should normally only be issued by Heartbeat and may have unintended side effects.

       --status node, -S node
	   Query the status of the CRM daemon on the specified node.

	   The output includes a general heath indicator and the internal FSM state of the crmd process. This can be helpful when determining what
	   the cluster is doing.

       --election node, -E node
	   Initiate an election from the specified node.

	       Warning
	       Use this with extreme caution. This action is normally initiated internally and may have unintended side effects.

       --dc_lookup, -D
	   Query the uname of the current DC.

	   The location of the DC is only of significance to the crmd internally and is rarely useful to administrators except when deciding on
	   which node to examine the logs.

       --nodes, -N
	   Query the uname of all member nodes. The results of this query may include nodes in offline mode.

	   Note
	   The -i, -d, -K, and -E options are rarely used and may be removed in future versions.

SEE ALSO

       ???, ???

AUTHOR

       crmadmin was written by Andrew Beekhof.

[FIXME: source] 						    07/05/2010							       CRMADMIN(8)
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