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You could pretty up your script using whiptail:

https://i.ibb.co/3Tc3S0m/Whiptail-Example.png

Here is an example script:

{
sleep 3
echo 25
sleep 3
echo 50
sleep 3
echo 75
sleep...

Using shell built-ins:-
while read line
do
for file in ${line//:/ }
do
print $file
done
done < data.txt

OR
tr ':' '\n' < data.txt

Another lengthy approach:
awk -F, '
BEGIN {
c = split ("ABCDEFGHIJKLMNOPQRSTUVWXYZ", U, "" )
c = split ("abcdefghijklmnopqrstuvwxyz", L, "" )
}
...

Sorry couldnt complete the script (Have to hit gym now ;)).. However I guess you can work on this :)


awk -F"," 'BEGIN{v="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 A"}{
split(v,A,"...

perl -F',' -lane 'grep { s/([a-yA-Y])/chr(ord($1) + 1)/ge; s/([zZ])/chr(ord($1) - 25)/ge; } ($F[12], $F[15]); print join(",",@F)' file

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...

When you have a pipeline, the standards allow (but do not require) the elements of the pipeline to be in different shell execution environments. If your system does put them in different shell...

awk 'NR==FNR {MAS[$1]=$2" "$3; next}
{for (i=1; i<=2; i++)
for (j in MAS) if (match($i, "^"j)) $i = MAS[j]
}
...

That is useless use of ls (http://partmaps.org/era/unix/award.html#ls)

Using bash built-ins:
for file in *.{images,html}
do
cp -R "$file" /home/oracle/
done

The ending SQL is not seen. It needs to be in the leftmost column. Or structured differently Your here doc need to be one of these:

sqlplus -s user/pass <<-SQL

...

Another ( awkish :) ) awk:
awk 'NF && ORS=++i%7?FS:RS' file

How about:
xargs -n7 < file

Hi, the first one deletes the second field only if it consists of one character... It replace the first field and a colon + a character and a colon with the first field (that was captured with \( .....

awk
gawk -F"[|]" '{
if(NR==FNR){
_[$1]=sprintf("%s,%s",_[$1],$2)
}
else{
tmp=_[$1]
n=split(tmp,arr,",")
for(i=2;i<=n;i++){
print $0"|"arr[i]
}
}
}
' b a

perl
open my...

I do. find evaluates * for -name and -path. It wouldn't make sense to put the * outside quotes -- how could the shell expand filenames find hasn't found yet?

awk -F "|" 'NR==FNR{X[$1,++Y[$1]]=$2;next}
{for(i=1;i<=Y[$1];i++){print $1,$2,X[$1,i]}}' OFS="|" file2 file1

this should help you

join -t"|" file1 file2

You could also use grep:

$ grep -oE "xyz: \[[^]]+\]" file
xyz: [1234]
xyz: [12312]

Hi!

The simplest way is to read the whole file in array, split it to four parts, process then and write the result in the output file. Because it's really simple and quick then perhaps you should...

echo `cat INPUTFILE` | sed 's/> </></g'

So make a new account -- that's what they're there for. Grant read-write permissions to the new user, execute-only permissions to the application group, and nothing else at all to anything. ...

It means that if you assign to a field beyond $NF, the necessary fields will be created, NF will be recomputed, and $0 will be rebuilt.

For example (with FS==OFS==","):
$0 == "a,b,c,d,e,f"
$NF...