You overwrite the PATH in the inner loop. After the first iteration of the outer loop the PATH does not contain the common locations that the shell needs to find any binaries.
Do yourself a favor and do not mess with the PATH. Certainly, it is not necessarily to change it in every iteration of the second loop. Most of the times, when the need arises, is to "add" to the PATH, but it is uncommon to completely overwrite it.
In those, cases, you use the following statement:
Hi ,
I have a file like this
parentid process id
45 3456
1 7898
45 7890
1 6789
45 7597
now i need to loop through this and if parentid != 45 , then... (4 Replies)
I wrote the following code and I am wondering why the variable "mon" can reach values > 12 due to the marked lines. Please help me!
Best regards,
Patrick
#!/bin/csh
# data directory
set datadir = '/isi/input/ncar_global/NCEP_reanalysis/'
# Datums- und Uhrzeitermittlung
set... (1 Reply)
i have the below script that will grep a particular pattern and then will compute the sum of its value.
TZ=`date +%Z`+48 ;a=`date +%Y-%m-%d`
echo $a
sum=0
num=0
for i in `cat Archiver* | grep "$a" | grep 'ERROR' | grep 'CleanLPDataMessage: Missing Intervals'`
do
num=`$i | tr -s " " |... (8 Replies)
I'm trying to understand if it's possible to create a set of variables that are numbered based on another variable (using eval) in a loop, and then call on it before the loop ends.
As an example I've written a script called question (The fist command is to show what is the contents of the... (2 Replies)
Hi Im running this script, which is supposed to find the max value build some tables and then stop running once all the tables are built. Thing is , it keeps assigning a null value to $h and then $g is null so it keep building tables i.e. testupdateNUL. How can I stop this? Here is what I have:
... (4 Replies)
Hi all
Sorry for the basic question, but i am writing a shell script to get around a slightly flaky binary that ships with one of our servers. This particular utility randomly generates the correct information and could work first time or may work on the 12th or 100th attempt etc !.... (4 Replies)
Hello All,
Maybe I'm Missing something here but I have NOOO idea what the heck is going on with this....?
I have a Variable that contains a PATTERN of what I'm considering "Illegal Characters". So what I'm doing is looping
through a string containing some of these "Illegal Characters". Now... (5 Replies)
Hi,
I want to read file multiple times. Right now i am using while loop but that is not working.
ex.
While read line
do
while read line2
do
echo stmt1
#processing some data based on data.,
done < file2.txt
done < file1.txt # This will have 10... (4 Replies)