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Thanks! Works great

Try this:
awk '/---/{p++;next} p==2' file

You can't put variables in the shebang. You could use the following depending on if you have the right bash path in your $PATHvariable:
#!/usr/bin/env bash

Hi wisecracker, I think I understand the OPs request quite clearly the way he described it. And although you make a valid point, I consider it as a data entry issue which I think is out of scope here.

This should fix it:

sed -e :a -e "s/\([^,]\)\"\([^,]\)/\1'\2/g;ta" file

Which OS and version of sed do you use?

You could try this:
find . -type f -iname *.ics -exec sed -i '/^DT\(START\|END\)/s/[0-9][0-9]$/00/;s/\r//' {} \;

Try this:

tcpdump -i eth1 icmp[0] =8 >output.txt &
sleep 60; kill $!

1. The '<' character is used to redirect the output of sort to the diff utility. This is needed if you're not specifying a file directly to diff.

2. || is equal to OR, && is equal to AND. In this...

diff <(sort file1) <(sort file2) > /dev/null && echo files are the same || echo files are different

You can try this in awk:
awk '/measInfo/ || s {s=s?s"\n"$0:$0} /<\/measInfo>/{if (s ~ /string1/) print s; s=""}' file

It saves the xml block in a variable and prints it when the tag is closed...

Try this:
awk -F\| 'NR==FNR {a[$1]=$0; next} $1 in a {print a[$1]; next}1' file1 file2

Either use grep:
if echo 'val1 val2 val3' | grep -q "$var1" ; then
echo $var1 found
fi
or case:
case "$var1" in
val1|val2|val3) echo $var1 found ;;
esac

Try:
awk '($2+1)==$3' file

EOF needs to be on it's own, try this:

EOF
ps -ef | grep pmon ; srvctl start database -d BATGPRD'

Replace tac with tail -r or sed '1!G;h;$!d', see if that works

one way of doing it:
tac file.xml | awk '
/vsDataEUtranCellFDD/ {id=1}
/vsDataEUtranFreqRelation/ {id=2}
/vsDataEUtranCellRelation/ {id=3}
/VsDataContainer id/ {sub(/ id=/,"_id_"id"=")}1' |...

Try using eval:
eval p"$n"="$p"

It's not a very good practise to set variables like this though. A much better way is to set arrays:
$ a[1]=test
$ echo ${a[1]}
test

What doesn't work? It works with the sample you provided:
sed 's/\([0-9]\) \([0-9]\)/\1:\2/g' file
1:0 0:1 1:1
0:1 1:1 0:0
1:1 0:0 1:1
1:0 0:1 0:1
0:1 0:0 1:0
1:1 1:1 1:1
0:0 0:0 0:0

...

sed '/<mytagone>/s/-/ /g' file

awk '{print $1<$2?$1:$2}' file

Here is another approach:
awk '{x=$3<$4?$3:$4; i=i?i:x ;if(x<=i){i=x; s=$0}} END{print s}' file

Try this:

awk 'NR==FNR{a[$1]=$2; next} /File_Nb/{$NF=a[$NF]}1' file2 file1

Try this:
awk '{x=$1$2$3; a[x]=a[x]?a[x] FS $10 FS $11:$0} END {for(i in a) print a[i]}' file

I don't think he wants the code executed there; it has to be run on the server which he makes an SSH connection to... Therefore, don't change the quotes.

You need to declare the variables using use vars for it to work:
use vars qw($opt_u $opt_p ...);