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Top Forums Shell Programming and Scripting RHEL5, Bash and directory removal Post 302267600 by cfajohnson on Friday 12th of December 2008 07:16:03 PM
Old 12-12-2008
Quote:
Originally Posted by rstrst
Hello,
I am trying to create a simple bash script that will run on a linux box and when invoked, go through a specified directory and remove the the oldest directory contained there in. This is perhaps not the optimal forum but I am hoping that someone out there can lend an assit before I lose my mind.

Running from the command line the ls* line executes fine, run from a script it does not.

In what way does it not execute? What happens? Do you get any error messages? Any output?
Quote:

Also, if I attempt to perform ls /eq36/srmd/data/backups -1A | wc -l again in the loop to update the DirCount, it does not work.

Please enclode code in [code] tags.
Quote:
Code:
#!/bin/bash
while [ $DirCount -ge $MAX]


Where have you initialized $DirCount?
Quote:
Code:
do
ls -t /data/backups | tail --lines=1|xargs rm -rf


Have you looked at the output of ls -t /data/backups | tails --line=1? That's what you are passing to rm.
Quote:
Code:
let DirCount-=1
done

 

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MESSAGES(3)						  libbash messages Library Manual					       MESSAGES(3)

NAME
messages -- libbash library that implements a set of functions to print standard status messages SYNOPSIS
printOK [indent] printFAIL [indent] printNA [indent] printATTN [indent] printWAIT [indent] DESCRIPTION
General messages is a collection of functions to print standard status messages - those [ OK ] and [FAIL] messages you see during Linux boot process. The function list: printOK Prints a standard [ OK ] message (green) printFAIL Prints a standard [FAIL] message (red) printNA Prints a standard [ N/A] message (yellow) printATTN Prints a standard [ATTN] message (yellow) printWAIT Prints a standard [WAIT] message (yellow) Detailed interface description follows. indent Column to move to before printing. Default indent is calculated as TTY_WIDTH-10. If current tty width can not be determined (for example, in case of serial console), it defaults to 80, so default indent is 80-10=10 FUNCTIONS DESCRIPTIONS
printOK [indent] Prints a standard [ OK ] message (green) printFAIL [indent] Prints a standard [FAIL] message (red) printNA [indent] Prints a standard [ N/A] message (yellow) printATTN [indent] Prints a standard [ATTN] message (yellow) printWAIT [indent] Prints a standard [WAIT] message (yellow) EXAMPLES
Run a program named MyProg, and report it's success or failure: echo -n 'Running MyProg...' printWAIT if MyProg ; then printOK else printFAIL fi AUTHORS
Hai Zaar <haizaar@haizaar.com> Gil Ran <gil@ran4.net> SEE ALSO
ldbash(1), libbash(1) Linux Epoch Linux
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