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Category: shell

Removing Ctrl-M from end of line using vi

Posted on 11-Oct-2009 By Admin No Comments on Removing Ctrl-M from end of line using vi

ou can remove the ^M by doing the following: Bring the datafile into the Unix editor vi. In command mode you would type in: :1,$s/^V^M// Make sure you are entering ‘control V’ and ‘control M’. The ‘control V’ says to accept the next character exactly as I type it. Adding the two slashes at the…

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Linux/Unix, shell

replacing ^M character when passing files from Windows to Unix

Posted on 30-Sep-2009 By Admin No Comments on replacing ^M character when passing files from Windows to Unix

To replace the ^M ‘s on the screen in vi type :1, $ s/r/

Linux/Unix, shell

Remove DOS CR/LFs (^M)

Posted on 11-Sep-2009 By Admin No Comments on Remove DOS CR/LFs (^M)

Remove DOS style CR/LF characters (^M) from UNIX files using: sed -e ‘s/^M$//’ filename > tempfile The newly created tempfile should have the ^M character removed

Linux/Unix, shell

backspace in SQL Plus not working then..?

Posted on 01-Sep-2009 By Admin No Comments on backspace in SQL Plus not working then..?

If you set “stty erase ^H” on unix prompt and it works fine on unix prompt. But not working on SQLPLUS then you need to put “stty erase ^H” in .kshrc file as following. -> pwd /home/oracle oem.localdomain:OEMDB:/home/oracle -> more .kshrc stty erase ^H oem.localdomain:OEMDB:/home/oracle ->

Linux/Unix, shell

Changing default shell

Posted on 01-Sep-2009 By Admin No Comments on Changing default shell

Following statement will be used to change default shell to /bin/ksh for oracle user. [root@oem ~]# chsh -s /bin/ksh oracle Changing shell for oracle. Shell changed. [root@oem ~]#

Linux/Unix, shell

How to remove blank lines using vi editor command

Posted on 09-Jul-2009 By Admin No Comments on How to remove blank lines using vi editor command

use the following: :g/^$/d

Linux/Unix, shell

remove archfiles only when it is applied to DR rm_archfiles.sh

Posted on 08-Jul-2009 By Admin No Comments on remove archfiles only when it is applied to DR rm_archfiles.sh

echo “script execution starts at `date`” echo “COMFORT_SPACE=$COMFORT_SPACE” echo “ARCH_DEST=$ARCH_DEST” echo “ALERT_LOG=$ALERT_LOG” ARCH_SPACE=`df -k $ARCH_DEST | tail -1 | awk ‘{print $5}’ | sed ‘s/%//g’` echo “ARCH_SPACE=$ARCH_SPACE” STDBY_LAST_RECOVERED_FILE=`grep “Media ” $ALERT_LOG |grep -v grep|grep “arch” | tail -1 | sed -e ‘s#^.*/##g’ ` echo “STDBY_LAST_RECOVERED_FILE=$STDBY_LAST_RECOVERED_FILE” STDBY_LAST_RECOVERED_NUMBER=`grep “Media ” $ALERT_LOG |grep -v grep|grep “arch” | tail…

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Linux/Unix, shell

remove archfiles only when it is applied to DR rm_archfiles.sh

Posted on 08-Jul-2009 By Admin No Comments on remove archfiles only when it is applied to DR rm_archfiles.sh

/oracle/scripts/rm_archfiles.sh “/db9/archlog” “90” “/oracle/admin/TESTDB/bdump/alert_TESTDB.log” #!/bin/sh RUNNING=`ps -ef|grep rm_archfiles.sh|grep -v grep|wc -l` if [ $RUNNING -gt 2 ] then echo “Exiting !!! Total $RUNNING occurence of rm_archfiles.sh are running at `date`” exit fi

Linux/Unix, shell

remove archfiles only when it is applied to DR rm_archfiles.sh

Posted on 08-Jul-2009 By Admin No Comments on remove archfiles only when it is applied to DR rm_archfiles.sh

ARCH_DEST=$1 COMFORT_SPACE=$2 ALERT_LOG=$3 NOTIFY_LIST=dbaoracle@1800flowers.com

Linux/Unix, shell

kill all processes from specific user in solaris.

Posted on 22-Jun-2009 By Admin No Comments on kill all processes from specific user in solaris.

kill all processes from user name atsscript on solaris. pkill -9 -u atsscript

Linux/Unix, shell

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