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Using korn shell. I am reading a file line by line. If a record has a carriage return (octal 015) then I append the second record to the first record. Not all records have a carriage return. I have...

I'm using Korn shell. I'm doing an IF TEST for lots of characters and don't know how to also check for single quote and parentheses and slash. I'm reading a file and some records have garbage...

I found it - at the command line when I type in the full path of the shell script the $0 will be the full path with filename. Before at the command line I was in the directory and just typing the...

The whence didn't help either.
unix script:
#!/bin/ksh

echo zero: $0

dir1=`dirname $0`
echo dir1: $dir1

program=$(whence $(dirname ${0}))
echo $program

output:
zero: dirname_test1.sh...

I'm running AIX unix korn shell. If I echo $0, I only get the filename, it does not have the directory name also. So when I do: `dirname $0` it returns a . (meaning current directory). How get $0 to...

I'm on hp-unix. I would like a variable to hold the last change date of a file. I looked at the man pages for stat, but I don't see any examples and can't get the syntax right. Can anyone help me?...

I am on AIX Unix. I want to read a flat file for a string in a certain byte. I want to find the value: 943034 in column 56; and write out just those records to another file. Also, could I get the...

Thank you for your replies. I could not get them to work correctly. I found another post that worked:
cnt=`expr length $xxx`

I want to check the length of a parameter passed to the korn shell. I've tested:

xxx=hello
echo $xxx
cnt=`echo $xxx |wc -c`
echo "cnt $cnt"

(xxx will be the parm). $cnt is 6, it should be...

Thank you

I changed a $variable in my .profile (AIX unix). I know I could exit out and logon onto unix again, but how do I rerun the .profile at the command line?