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try this
awk '1' ORS='\r\n' | mailx -s "Sending mail" mailed
code error in the above.
awk '1' ORS='\r\n' temp.txt | mailx -s "Sending mail" mailed

slight modification to Yoda's approach to not print duplicates for each set in the output
awk '$1==10{split("",A);next}++A[$1]==2' file

awk 'NR == FNR {a[$1] = $3; next} {print $1, (a[$1] == "" ? "nomatch" : a[$1])}' file2 file1

Sorry! That was untested and there was a bug
try below
awk -F ';' '
FILENAME == ARGV[1] {A[$1] = ($2 ";" $3); next}
FILENAME == ARGV[2] {A[$2] = A[$2] == "" ? (";;" $1) : (A[$2] ";" $1);...

#!/bin/ksh
while read user
do
while read proj nm
do
echo "Delete user profile \"${user}\" FROM ${proj} ${nm}"
done < file2
done <file1 > OP1

Ignore this..I haven't seen the...

awk -F ';' '
FILENAME == ARGV[1] {A[$1] = ($2 ";" $3); next}
FILENAME == ARGV[2] {A[$2] = A[$2] == "" ? (";;" $1) : (A[$2] ";" $1); next}
FILENAME == ARGV[3] {A[$1] = A[$2] == "" ? (";;;" $2...

awk 'NR == FNR {a[$0]; next}
{if(! (FNR in a)) {print}}' list.txt main.txt

I dont think you can change a file to a directory of vice versa.
you can create a directory with name 'maddy' and move the file into that with the below code
mv maddy maddy_01 && mkdir maddy && mv...

awk -F ',' 'NR == 1{for(i=1; i<=NF; i++) a[$i] = i; next}
$0 ~ "^" proxy {print $(a[field])}' proxy="main,FRONTEND" field="slim" socat.txt

awk -F ',' 'NR == 1{for(i=1; i<=NF; i++) a[$i] = i; next}
/^main,FRONTEND/ {print $(a["slim"])}
/^apache2,elb4/ {print $(a["ereq"])}' socat.txt

awk '{a[$1] += $2; b[$1] += $3; c[$1] += $4; d[$1] += $5; e[$1] += $6} END {for(x in a) print x, a[x], b[x], c[x], d[x], e[x]}' file

---------- Post updated at 09:50 AM ---------- Previous update...

Mark, highlight and make the answer appear just below the question so that other users can easily find solution without having to look at entire post / multiple pages of the post and still not able...

awk '/^[^:]*:$|^[ \t]*$/{f=0} /^Clinical features:$|^Inheritance pattern:$/{f=1}f' genedx156.txt > output.txt

What have u tried?

awk -F '\t' 'NR == FNR{if(NR == 1) {for(i=2; i<=NF-1; i++) H[i]=$i; next};
for(i=2; i<=NF-1; i++) if($i == "Yes")
A[$1] = (A[$1] == "") ? H[i] : (A[$1] "," H[i]); B[$1] = $NF; next}
{print...

Below code will append the below given 2 lines of data into the file FILE_PATH
FILE_PATH='/tmp/sample.txt'
cat - << 'EOF' >> ${FILE_PATH}
This is sample data in the file
Check the data
EOF

...

@RudiC code with better performance

awk 'BEGIN {for(i=1; i<=1000000; i++) t = (t " 0")} {printf "%s%s\n", $0, t}' file1 > file2

awk 'FNR == 1 {nm=substr(FILENAME, length(FILENAME)-11, 8)} {print nm "|" $0}' *.xls

you can change the value of t to wharever time you wanted to grep
awk '$0 ~ ("^Time = " t "$") {getline;
for(i=1; i<=NF; i++)
{if($i ~ /^ExecutionTime$/) et=($(i+2) " " $(i+3))
else if($i ~...

awk 'NR == FNR {a[$1]; next} {for(x in a) {if($0 ~ "(^||)" x "(||$)") {a[x]++; next}}} END {for(x in a) print x, a[x]}' file1 file2

awk 'NR == FNR{split($0, t, /[$][$][$]/); a[t[1]] = t[2]; next} /<value>/ {split($0, t, />|</); v=t[3]} /<password-encrypted>/ {sub(/>.*<\//, ">" a[v] "</")}1' passwd file

for the modified passwd...

awk '{id=$1; email=$NF; $1=$NF=""; $0 = $0; $1 = $1; name=$0; print "$id=" id; print "$name=" name; print "$email=" email}' file

in addition to what Chubler_XL has suggested, you could change the prints in if else conditions as below
else if ((V[i] == V[i+1]) && (V[i+1] > 0))
print R[i], (V[i+1] - V[i])
## You could...

awk -vg="${GOODNUMBERS}" -vb="${BADNUMBERS}" 'BEGIN{n=split(g, a); for(i=1; i<=n; i++) {if(b !~ "(^| )" a[i] "($| )") print a[i]}}'

---------- Post updated at 04:28 AM ---------- Previous update...

awk -F ';' '$13 == "ASD" {print > ("ASD.txt"); next} {print > ("REST.txt")}' input_file