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Your current output and desired output look same.
Also you didn't mention the inputs completely. Pls mention sample of each file content, expected out, current output, the command you are tried.

always post exact input (or most generalized one). Try following:
echo "**abcd **1234** efgh**" | sed "s/\*\*/'''/2;s/\*\*/'''/2"OR
echo "**abcd **1234** efgh**" | sed...

ab=$(echo $dirk | awk '{for(i=1;i<=NF;i++) if(index($i,"ab")){print $i;exit;}}')

Execute script as:
a.sh 20110114 "b c d"And pass 2nd argument in quotes to sql proc:
<sql_proc> "$2"
But not very sure about sql procedure. If above doesn't work, then you may do following:...

depth=$(awk 'BEGIN{FS="(\(|\))"} /CURDEPTH/{if($2 > 10){print $2;p=1;exit}}END{if(!p) print 0}' test1.txt)
if [ $depth -gt 10 ]; then
mailx -s "Your Mail Subject" EMAIL_ID < mail_body_file
fi

printf("%s:%02d\n",$1,$2-4)

1st argument to printf is the format. %s to print $1 as string, %d is to print as integer where 02 is to padd ZERO on left if ($2-4) width is less than 2.
For more...

Your initial input is different than this one.
Following shouild work:
awk -F\" '/Cell id/{if(!a[$2]) cnt++;a[$2]++;next}END{print cnt}' gen_cell_orig_001.dsx

awk '/N1\*PR/,/N1\*PE/' inputFile | grep -c "PER"

#!/usr/bin/ksh
FILE="$1"
cat $FILE| cut -d'\' -f2- | sed 's/EMEA//g;s/\\//g;s/,//g'

If condition should be:

if [ $# -ne 2 ]

Depending on how exactly you want to edit:
If you want to change all line having "Chocolate:5:5" to "Chocolate:5:10"

sed 's/Chocolate:5:5/Chocolate:5:10/'


OR change all lines "Banana:33:3"...

For input
vst_qp_vds_Fido_VT0220101029.txt
Active

vst_fact_cms_purchase_trans_20101015.dat
Active

vst_soc_activity_detail2_VT0120101028.dat
Active

vst_fact_api_cdr_VT0320101029.csv...

first line of a file but not the first line?
didn't get you.
OK.. By looking at header (How do I read a file but not the first line?)

awk 'NR>1' inputFile

OR

sed -n '2,$p' inputFile

sed 's/^1$//' inputFile

OR

awk '{if(0+$0 ==1) $0="";}1' inputFile

sed 's/pro[ ]/pro\
/g' inputFile

sed 's/<int>\([0-9]*\)/<int>{rid1}/2' inputFile

OR

sed 's/[0-9][0-9]*/{rid1}/2' inputFile

From the input given by you in post #1, I suppose output will be:

Series: XYZ
Manufacturer: ...
Software Version: ...
Year made: ...
Series: ABC
Manufacturer: ...
Software Version: ...
Year...

post #3: (by myself)
Set field separator to pipe character i.e. |
If current file read is "from_file", store each record ($0) in array a indexed as 1dt field in that record, and move to next line...

chsh -s /bin/sh news 2>&1 | awk '{print $5}'

There is a EXAMPLES section in man page of comm.
That has exactly what you want. Get common data for 3 files.
Idea is, pipe the output of 2 files to the 3rd file.
Pls try. If you get further...

Look at man comm
comm (https://www.unix.com/man-page/POSIX/1/comm/)

exec should be better than xargs.

Variables passed to expr (x or y) are not initialized.
You are assigning values to x or y in if/else block, so depending on conditions, x/y may not be initialized.
Pls make sure you initilize x and...

OR using sed:

sed -n 's/^To: <\(.*\)>/\1/p' email.txt
sed -n 's/^Subject: \(.*\)/\1/p' email.txt

Assuming that ONLY 10th and 11th columns are considered to decide duplicates (No other column check)

awk 'NR==FNR{a[$10"_"$11]++;next;}{if(a[$10"_"$11] < 2) print $0}' inputFile inputFile