Search Results

perl -ne '@arr = split(/\|/,$_,-1);
for($i=0;$i<@arr;$i++) {
next if $i =~ /^(5|7|8)$/ ;
$flag = 1 if ($arr[$i] eq "");
}
print join("|",@arr) if $flag;
' file.txt

you can perform epoch arithmetic

1 day = 86400 secs
15 days = 1296000 secs


today's date
$ date
Fri Mar 22 06:18:17 EDT 2013

script to calculate date after 15 days


today=`date...

string1="Hi, How are you?"
echo "$string1 is the value"
replace1="Am fine\nWhat are you doing?"
echo "$replace1 is the value"
sed -e "s/$string1/$replace1/g" file > file_new
this can be done...

first of all echo is not required in
for file in `echo $LIST_OF_FILES`just make sure you are in the same dir where the files are or use absoulte path and you can pass files to the loop as
for file...

your array @allwords is empty hence foreach loop would never execute
you will still have an empty hash after the foreach loop
thus the last statement won't cause any difference and @allwords would...

I think you are more interested in getting the job done than gaining knowledge
What Corona688 has mentioned above is very useful info, you should take some time to learn

Anyways, here you...