Hello, I am new to the Bash scripting language, and was given a tutorial page on how to setup a file. However I am trying to use cygwin to run this file and it is not working.
This was the output from the run:
./averagetime.sh: line 1: $: command not found
Enter Dictorinary File Text
./averagetime.sh: line 6: read: `dict
': not a valid identifier
Enter Grid Name
./averagetime.sh: line 8: read: `grid
': not a valid identifier
./averagetime.sh: command substitution: line 14: syntax error near unexpected token `$($RUNNING_TIME + $RUNNING_TIME1 + $RUNNING_TIME2 + $RUNNING_TIME3 + $RUNNING_TIME4)/5'
./averagetime.sh: command substitution: line 14: `expr ($($RUNNING_TIME + $RUNNING_TIME1 + $RUNNING_TIME2 + $RUNNING_TIME3 + $RUNNING_TIME4)/5)'
Average time for 5 runs is:
Hi,
I have used expr command to increment the date.
for e.g.,
case 1 :
echo $(date -d $(echo `expr 20010101 + 1`))
it returns
Tue Jan 2 00:00:00 IST 2001
case 2:
echo $(date -d $(echo `expr 20010101 - 1`))
it returns
date: invalid date `20010100'
please suggest me, how to... (3 Replies)
I am using the following code:
if ; then
I am getting an error saying line 12:
The code is supposed to examine whether the filename read into $FILE includes the string IMG*. I do have a fi later in the script, but I must be missing something obvious. Can anyone help? (3 Replies)
Hello. I am taking a Perl class in college and we've briefly covered SQL and moved on. We have a term project and we can do whatever we want. My project will rely strongly on an SQL Database so I am trying to learn as much about Perl DBI as I can to get things up and going.
I am basically... (1 Reply)
Hi all,
Please help me solve below issue.
expr 04170000000 + 1 gives me -124967295 and offcourse I want this to be 04170000001
and it happens for some sort of number like some other
02300000000
02600000000
03800000000
I guess after exceeding certain range it is converting it somewhere... (2 Replies)
Hello Friends,
I am learning Perl now. I have a small query.
I have a directory Z with file name Z.txt.
I would like to copy this file Z.txt to 3 new dir with new filenames as follows
dir 1 1.txt
dir 2 2.txt
dir 3 3.txt
I would like to then open 1.txt from dir 1 and edit the first... (0 Replies)
:)
hi Unix gurus,
Pls consider the following piece of code
str='hello'
length=echo $str|wc -c
echo $length
y= ` expr \( 80 - $length \) `
echo $y
:confused:
The last echo stmt is displaying 0 as the result.
If i put direct value like 6 instead of $length in i 3rd stmt it is giving... (8 Replies)
I'm writing a unix script that simply does some basic command line stuff for a whole lot of similar directories (ls *.dat > foo.bar). Its my first script ever, and its going ok, except I can't, for the life of me, figure out how to get arithmetic to work in the script.
FIVE=5
MY_NUMBER='expr... (4 Replies)
Hi All,
I might be making a silly mistake but I need ur help.
I have initialized various variables:
cur_month=`date +%m`
cur_year=`date +%y`
last_year=`expr $cur_year \- 1`
It works fine for cur_month & cur_year....but has problems with last_year.
FOR LAST YEAR IT GIVES A FOLLOWING... (2 Replies)