You script worked for me on Ubuntu 10.04 with bash 4.1-2ubuntu3. - Bill
On Tue, Nov 23, 2010 at 1:17 PM, <[email protected]> wrote: > Hi Guys. > > I have a text file where some lines contain leading spaces. > I need to modify the file with cat, sed and echo. > This is causing leading spaces to be lost. > > Here is a sample of the relevant section of the text file (it is part of > the config file for a xen guest): > ============= > root = '/dev/xvda2 ro' > disk = [ > 'phy:/dev/volgrp/www3-swap,xvda1,w', > 'phy:/dev/volgrp/www3-disk,xvda2,w', > ] > ============= > > > and here is the relevant section of the script I currently have: > ============= > #!/bin/bash > SUCCESS=0 # Value used to test for goodness. > cat /home/ozz/Scripts/temp/www3.cfg | > while IFS='' read -r line > do > echo "$line" | grep -q "xvda2,w" > if [ $? -eq $SUCCESS ] > then > echo "$line" >> /home/ozz/Scripts/temp/www3.cfg.tmp > ( > cat <<'EOF' > 'phy:/dev/volgrp/www3-var,xvda3,w', > 'phy:/dev/volgrp/www3-tmp,xvda4,w', > 'phy:/dev/volgrp/www3-home,xvda5,w', > 'phy:/dev/volgrp/www3-home-logs,xvda6,w', > EOF > ) >> /home/ozz/Scripts/temp/www3.cfg.tmp > else > echo "$line" >> /home/ozz/Scripts/temp/www3.cfg.tmp > fi > done > mv -f /home/ozz/Scripts/temp/www3.cfg.tmp /home/ozz/Scripts/temp/www3.cfg > > ============= > > > Desired result: > ============= > root = '/dev/xvda2 ro' > disk = [ > 'phy:/dev/volgrp/www3-swap,xvda1,w', > 'phy:/dev/volgrp/www3-disk,xvda2,w', > 'phy:/dev/volgrp/www3-var,xvda3,w', > 'phy:/dev/volgrp/www3-tmp,xvda4,w', > 'phy:/dev/volgrp/www3-home,xvda5,w', > 'phy:/dev/volgrp/www3-home-logs,xvda6,w', > ] > ============= > > Actual result: > ============= > root = '/dev/xvda2 ro' > disk = [ > 'phy:/dev/volgrp/www3-swap,xvda1,w', > 'phy:/dev/volgrp/www3-disk,xvda2,w', > 'phy:/dev/volgrp/www3-var,xvda3,w', > 'phy:/dev/volgrp/www3-tmp,xvda4,w', > 'phy:/dev/volgrp/www3-home,xvda5,w', > 'phy:/dev/volgrp/www3-home-logs,xvda6,w', > ] > > ============= > > I've GTFW and not found anything that works yet. > > Any suggestions? > > Thanks. > > Regards, > Ozz. > > > --------------------------------------------------------------------- > Archive http://marc.info/?l=jaxlug-list&r=1&w=2 > RSS Feed http://www.mail-archive.com/[email protected]/maillist.xml > Unsubscribe [email protected] > >
