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Download the tarball from the vendor.
Untar it somewhere in your user home
Add something like this to your local profile (this is just an example that you have to modify)
export...

Note:

It is best to use a subscript separator and not just glue the index fields together to avoid possible index creep:

For example, suppose that you have the fields A1 and 1 and also the...

FNR==NR : FNR and NR are built-in management variables in awk. FNR keeps a tally of the records read from the current file, NR keeps a tally of every record so far read from any files given.
If FNR...

awk 'FNR==NR {a[$1$2]++; next} {if (! a[$1$2])print}' file2 file1 > file3

Variables do not expand in single quotes.

# VAR=asdf
# echo '$VAR'

$VAR

# echo "$VAR"

asdf

#

My apologies. I was having flashbacks to a thread dealing with ten million files in one directory; the OP refused to believe his disk couldn't be multithreaded via some magic perl or python code......

I apologize for taking so long to get back to you.

In the first message in this thread, you said that a you had a file where the 2nd column on lines in that file named files to be processed. In...

If portability matters one should use printf
printf "%s\t%s\n" "$from" "$to" >> $ofile

echo, most likely, need the flag -e in order to interpret the backslash

oline=`echo -e ${from}"\t"${to}`