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Hi !

thanks for testing it :)

Yes I know it works the way it is but I will be using it with different files and I need to be able to change the field separator with a variable.

So I need to...

Hello,

When I run this UNIX code without the -t option it gives me the desired results.

The code keeps the record with the greatest datetime based on the key columns.
I sort it first then sort...

Hello, thank you very mucho for your post,

Do you mean using sort instead of awk? Do you think I could do it using only sort?
If so, could you explain the different piped sections?

Let me see...

Yes, the concept of the sort occured to me some more.

The script I have determines duplicates by a concatenation of specific columns in the file (the key) and uses another column ( a datetime) to...

I installed gawl 3.1.18 in a directory and ran the script replacing gawk for awk
and I got the error

out of memory (need more space)then I tried it again in gawk and got no error but it didn't...

on the server I do these commands and I get this:

uname -a
to find version of server OS

HP-UX b8mkesc1 B.11.23 U ia64 2190843824 unlimited-user license

to find version of awk

what...

well I found the HP server's version and awk patch version

uname -a
HP-UX servername B.11.31 U ia64 2183943116 unlimited-user license

what /usr/bin/awk
/usr/bin/awk:
$Revision:...

Hi,

I tried running the script using the latest version of gawk 3.1.8 and it gave me the error,

out of memory, need more space

Do you know how awk or gawk uses memory?

I'm running on an...

Hello,

When I run my awk script with input files greater than 300 MB I always get this error:

awk: Internal software error in the tostring function on...

Hello,

I posted a working script on this thread:

https://www.unix.com/emergency-unix-linux-support-help-me/160123-help-make-awk-script-more-efficient-large-files.html

When I run this script...

Hello,

Error

awk: Internal software error in the tostring function on...

This is what I finally used:

diff $outfile $temp_sort_file |awk '/^>/ {print $0}'|sed 's/^> //' > $temp_dups_fileIt works with most of my files.

I'm trying to understand it.

What is the awk...

Hello,

I trying to accumulate the same number in a variable:

#!/usr/bin/sh

infile="$1/$2"

if [[ ! -r $infile ]]
then
#echo "file is not readable: $infile"
exit 1
fi
...

Hello,

I just need to print the # of columns for each line of the input file.
The input file uses the ascii 009 tab character.
I specify this character as the FS (field separator) in the BEGIN...

Hello,

I need an awk script to receive a variable that's an decimal value such as 009 or 031 and then convert this value to an ascii character to use as the FS (field separator for the input...

Hello,

I have a group of text files with many lines in each file.

I need to delete all the lines in each and only leave 2 lines in each file.

Hello,

I have this file that sometime contains 0 lines and sometimes 1 or more.

It's supposed to then put the result (could be 0 or 1 or 2 or more) into a variable.

Then it's supposed to...

This almost works. The only problem is that it puts a blank space in front of every line in the unwanted_duplicates_records file.

Is there any way we can fix this?

Hello,

Could anyone help me modify this script to output 1 file containing the unwanted duplicates and the other containing just the desired records?

uname returns HP-UX

what do you think of that?

I was told we use the Korne shell but when I try to use the ksh path for shell scripts I get the little heart character appear on the line and it...

Hello,

I have this shell script that runs awk code by passing in parameters however now it doesn't work anymore with the parameters and I don't know why.

It removes duplicates from an input...

I was told that it's POSIX, similar to the Korn shell. That you could use:

#!/usr/bin/sh
or
#!/usr/bin/ksh


in the shell scripts but they seem to work differenly so I'm sticking to /sh

I'm trying to output the contents of the infile to the outfile using Append.
I will want to use append but the syntax doesn't seem to be working !
Input file (called a.txt) contains this:

a
a...

was told that we're using POSIX

I removed the > before the infile

when I do it like this it works:

#!/usr/bin/sh

infile="$1/$2"

awk '{print $0;}' $infile

Hello,

The INPUT file a.txt contains this


a
a
a
b
b
b
I'm trying to execute this shell script from the Unix Command Line like this:

./k.sh a.txt > newfile.txt
#!/usr/bin/sh
...