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Full Discussion: sed Unexpected results, missing first search item
Top Forums Shell Programming and Scripting sed Unexpected results, missing first search item Post 302841339 by popeye on Wednesday 7th of August 2013 08:04:11 AM
Old 08-07-2013
sed Unexpected results, missing first search item
I created 3 files with the identical data as follows

Code:
dial-peer voice 9999 pots
 trunkgroup CO
 list outgoing Local
 translation-profile outgoing LOCAL-7-DIGITS-NO-PREPEND-97
 preference 2
 shutdown
 destination-pattern 9[2-9]......$
 forward-digits 7


dial-peer voice 10000 pots
 trunkgroup CO
 list outgoing Local
 translation-profile outgoing LOCAL-7-DIGITS-NO-PREPEND-97
 preference 2
 shutdown
 destination-pattern 9[2-9]......$
 forward-digits 7


dial-peer voice 11111 pots
 trunkgroup CO
 list outgoing Local
 translation-profile outgoing LOCAL-7-DIGITS-NO-PREPEND-97
 preference 2
 shutdown
 destination-pattern 9[2-9]......$
 forward-digits 7


I named them rx, rx1, rx2
I used vi set list to ensure the files were in nix format.

I ran the following script(s)

Code:
#!/bin/ksh
for x in `ls rx*`
#ls -l rx* | awk '{print $9} | while read x
do
sed -n -e '/^dial.*10000/p' -e '/ shutdown/{p;q}' $x
done


the exact output

Code:
backupdir> xx
 shutdown
 shutdown
 shutdown
backupdir>

I ran dos2unix on all three files just to be sure they are in nix format.
 

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LEARN ABOUT OPENDARWIN

systemd-rc-local-generator

SYSTEMD-RC-LOCAL-GENERATOR(8)				    systemd-rc-local-generator				     SYSTEMD-RC-LOCAL-GENERATOR(8)

NAME

       systemd-rc-local-generator - Compatibility generator for starting /etc/rc.local and /usr/sbin/halt.local during boot and shutdown

SYNOPSIS

       /lib/systemd/system-generators/systemd-rc-local-generator

DESCRIPTION

       systemd-rc-local-generator is a generator that checks whether /etc/rc.local exists and is executable, and if it is pulls the
       rc-local.service unit into the boot process. This unit is responsible for running this script during late boot. Note that the script will
       be run with slightly different semantics than the original System V version, which was run "last" in the boot process, which is a concept
       that does not translate to systemd. The script is run after network.target, but in parallel with most other regular system services.

       systemd-rc-local-generator also checks whether /usr/sbin/halt.local exists and is executable, and if it is pulls the halt-local.service
       unit into the shutdown process. This unit is responsible for running this script during later shutdown.

       Support for both /etc/rc.local and /usr/sbin/halt.local is provided for compatibility with specific System V systems only. However, it is
       strongly recommended to avoid making use of these scripts today, and instead provide proper unit files with appropriate dependencies for
       any scripts to run during the boot or shutdown processes.

       systemd-rc-local-generator implements systemd.generator(7).

SEE ALSO

       systemd(1), systemctl(1)

systemd 237													     SYSTEMD-RC-LOCAL-GENERATOR(8)
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