Why Relational Expression is Writing to a Expression?
Hello All,
Not sure why this is happening...
When the following If Statement is evaluated for some reason it is creating a file in the CWD called '0'. I've seen this happen
before, just not in an If Statement...
CODE:
If anyone knows why my Relational Expression of the If Statement seems to be redirecting output to '0',
instead of just evaluating the expression, please feel free to reply...
If you want to compare integers in shell within [ ], that is -gt, -lt, -ge, -le, -eq.
But personally, I'd do it like this:
So that you don't need to track as many if/else/fi blocks and do much less indenting in the 99% of your program that's going to be outside your error code.
Hello All,
I'm trying to extract the lines between two consecutive elements of an array from a file.
My array looks like:
problem_arr=(PRS111 PRS213 PRS234)
j=0
while } ]
do
k=`expr $j + 1`
sed -n "/${problem_arr}/,/${problem_arr}/p" problemid.txt
---some operation goes... (11 Replies)
Hi all,
How am I read a file, find the match regular expression and overwrite to the same files.
open DESTINATION_FILE, "<tmptravl.dat" or die "tmptravl.dat";
open NEW_DESTINATION_FILE, ">new_tmptravl.dat" or die "new_tmptravl.dat";
while (<DESTINATION_FILE>)
{
# print... (1 Reply)
Hi,
on HP Unix;
how to look for an expression in vi ?
I know look for a word :
/myword
But for an expression like "Jun 23 11:30" ??
Thank you. (4 Replies)
CA_RELEASE has a value of 6. I need to check if that this is a numeric value. if not error.
source $CA_VERSION_DATA
if * ]
then
echo "CA_RELESE $CA_RELEASE is invalid"
exit -1
fi
+ source /etc/ncgl/ca_version_data
++ CA_PRODUCT_ID=samxts
++ CA_RELEASE=6
++ CA_WEEK_NO=7
++... (3 Replies)
Hi
I need some help in writing a Regular expression.
I am getting Date format like "Tue Apr 12 8:21:20 2009" I want to change the this format to "Tue Apr 12 2009 8:21:20" using regular expression
Looking forward your help
Thanks (6 Replies)
Hi all,
I want to perform 'OR' for the following 3 variables.
rc1=1
rc2=1
rc3=1
rc=`${rc1} \| ${rc2} \| ${rc2} `
How can it be done?
Thanks,
Rock (3 Replies)
Is it possible to combine a regular expression with a aritmetical expression? For example, taking a 8-numbers caracter sequece and casting each output of a grep, comparing to a constant.
THX! (2 Replies)