Shell Programming and Scripting

Hi,

I am new to shell scripting and unix in general, and I am running into a problem.

I need to grep my script for a line which is a delimiter for an encoded file. I would like to get the line number of this delimiter so that i can use "tail" to get the encoded data and decode it.

I am piping the output of my "grep -n" command into the cut command in order to get the line number. This works when the locale is "C" or "en_US." However, when I change the locale to "cs_CZ" for example, this fails.


PAX_PAYLOAD: is the delimeter.

Code:

payload_marker_line=$(grep -n '^PAX_PAYLOAD:$' $0 | cut -d ':' -f 1)
payload_start=$((payload_marker_line + 1))

I am getting this error.

Code:

grep: input file "|": EDC5129I No such file or directory.
grep: input file "cut": EDC5129I No such file or directory.
grep: input file "-d": EDC5129I No such file or directory.
grep: input file ":": EDC5129I No such file or directory.
grep: input file "-f": EDC5129I No such file or directory.
grep: input file "1": EDC5129I No such file or directory.

Is there any reason that | is being associated with a file name??

Thank you for any and all help!!

Moderator's Comments:

Code tags for code, please.

What's your system? What's your shell?

I'm running on z/OS using an sh shell.

$0 is the name of the script you are running, not the parameter

ex:

Code:

# myscript.sh
echo "the code executing this is $0"
echo "my first parameter is $1"

Code:

$>  ./myscript.sh  t.lis
the code executing this is ./myscript.sh
my first parameter is t.lis
$>

right. The encoded file is appended to the end of the script I am running.

You should not append to a running script. Period. You append to an output file.
When you execute a shell script, it should remain unchanged during the run.

If that is what you meant....

Ah. Thanks for the tip. I will keep that in mind.

I removed the encoded file into its own file, yet I am still having the same issue whenever a piping symbol is reached. it says:

|: EDC5129I No such file or directory.

Does anyone know why this works fine in English but not in any other locale?

---------- Post updated at 12:31 PM ---------- Previous update was at 12:25 PM ----------

Also, just to clarify, the encoded file I have is appended to the script before it runs, not durring. No changes are made to the running script, the encoded file is simply read and decoded. Im not sure if this makes a difference.