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Franklin52's solution works better.
but i need to use nawk in solaris to get it to work.

echo name_abc_20100531_142528.txt |nawk -F"[_.]" '{print $3, $4}'| read d t ;echo $d;echo $t



On...

Try:
echo name_abc_20100531_142528.txt |awk -F"[_.]" '{print $3, $4}'| read d t ;echo $d;echo $t

cut can do it too
echo name_abc_20100531_142528.txt | cut -d_ -f3 | read av ;echo $av

You can use something like following :


# S=`ls -l b |awk '{print $5 }'`;P=0
# while [ $P -lt 60 ]
do
size=`ls -l b |awk '{print $5 }'`
echo $size
if [[ "$size" -ne...

use while loop

filesize=`ls -l output.txt |awk '{print $5 }'`
cnt=1
echo $filesize
while [1]
do
filesize_new=`ls -l output.txt |awk '{print $5 }'`
if [ $filesize -ne $filesize_new ]
echo...

sample
filesize=`ls -l output.txt |awk '{print $5 }'`
echo $filesize
sleep 60
filesize_2=`ls -l output.txt |awk '{print $5 }'`
if [ $filesize != $filesize_2 ]
then
echo "not equal, it has...

Here is what works as you are requesting w/explanations...

awk '{sub("004","IND")}{print}' p.txt

Notes:
1. gsub is for replacing ALL occurrences of a pattern in an input line, sub just the...

IFS=,;
while read str rep;
do
awk -F "|" -v str=$str -v rep=$rep '$2 == str {gsub(str,rep,$2);print}' OFS="|" file2 ; done < file3


cheers,
Devaraj Takhellambam

nawk -F "|" '{gsub("004","IND",$2)}1' OFS="|" filename

cat al.txt| cut -f2 |sed -e 's/A12/A23/g' .......... this may work i m not sure.