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$ cat csv.awk

BEGIN { FS=" *= *"
L=split("A B C D E F G H I J K L M N O P Q R S T U V W X Y Z",FNAMES," ");
}

function print_company()
{
# Generate filename.
#...

Uses dot and space as field separators, this is so we can pickup filename without extension (eg bb from bb.txt).

NR==FNR{f=$0;sub(".*/","",f);F[f]=$0;next} Store pathnames in file_2 into array...

awk 'NR%2{$0=$0".h"}1'
or

awk 'length($0)>2{$0=$0".h"}1'

cat yourtext | sed 's/\(.*\_.*\)/\1\.h/g'

(pwd;cat File_Name) > OUTPUT_Filename

printf %s\\n 1i "$PWD" . w q | ed -s fileRegards,
Alister

paste -d " " file1 file2 > file3

-d indicates delimeter, in your case a space, so set it according to the field seperator in your resulting output field

Note: gensub is gawk only.
Alternatively:
awk 'END{for(i=4;i<=9;i++)printf "dd%d %02d\n",i+1000,i}1' infile

awk '{print $0}END{for(i=1004;i<1010;i++) print "dd"i FS gensub(/..(..)/,"\\1",1,i)}' (file://\\1&quot;,1,i)}')
aa1001 01
bb1002 02
cc1003 03
dd1004 04
dd1005 05
dd1006 06
dd1007 07
dd1008 08...

awk '{print $0}END{print "dd1004 04"}' file
or sed
sed '$a dd1004 04'

awk can treat numbers as numeric strings or as numbers depending on the context. If you add 0 to the number then you are forcing it into numeric context, which means it is interpreted as a number and...

"+", using as that way in awk, is a Mathematical operator

awk '$2=sprintf("%02d",$2)' file

awk '{print $1 " " substr($2,5,2)}' File_Name

()?: is a short form of if condition code, here,
$2=($2>10)?$2+0:"0"$2+0 can be explained as:
{if ($2>10) {$2=$2} else {$2="0"$2+0}}

awk '$2=($2>10)?$2+0:"0"$2+0' file

echo "NAME TYPE" | cat - infile

---------- Post updated at 09:27 AM ---------- Previous update was at 09:22 AM ----------

nawk 'NR<2{print "NAME TYPE"}1' infile

How about this?

awk 'NR==1{$0="NAME TYPE\n"$0;print}NR>1'

@yinyuemi, to remove those 4 zeroes the parentheses are not required...
sed 's/0\{4\}//'
or just
sed s/0000//