11-13-2003
Convert string to numeric
Hi,
I have read some figures from a text file by getting the position and wish to do some checking, but it seem like it won't work.
eg. my figure is 0.68 it still go the the else statement,
it seems like it treat it as a text instead of number.
Anybody can Help ? Thanks.
# only one line
cat $outfile | while read line
do
f1=$(echo $line|cut -c 14-17)
f2=$(echo $line|cut -c 19-22)
f3=$(echo $line|cut -c 24-27)
done
echo $f1 $f2 $f3
a=$f1
x=0.5
if [ $a -gt $x ]
then
echo 'Grater ' $f1 $f2 $f3
else
echo 'is ok :'
fi
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
hi ,
This function actually gives me the last month but as a numeric value what should i do to get it as suppose :Jul
date '+%b %Y' |
{
read MONTH YEAR
MONTH=`expr "$MONTH" - 1`
echo $MONTH
}
Thanks.
Rooh (2 Replies)
Discussion started by: rooh
2 Replies
2. Shell Programming and Scripting
given a string passed to a program that supposed to be numeric and of a certain length say 8 digits - so say for e.g. need to verify this 01234567
How would I parse this string to validat it meet requirements
I tried to use * | sed /\(\{8})/
Thanks in advance (1 Reply)
Discussion started by: dragrid
1 Replies
3. Programming
Hi,
how to check the given string is numeric or not , without converting ( using strtol...).
for ex: if string is C01 - non-numeric data
if string is 001 - numeric data
TIA (11 Replies)
Discussion started by: knowledge_gain
11 Replies
4. Shell Programming and Scripting
I have a file whose contents are:
$ cat file1
cfd_V03R37
cfd_V03R38
tried
sed 's///g' file1 > file2
$cat file1
0337
0338
Is there any way by which i can work on same file and write o/p to the same file instead of using file2 (3 Replies)
Discussion started by: vjasai
3 Replies
5. Shell Programming and Scripting
Hi ,
I have a number say 12345001 which needs to be parsed. Its a number that has no delimiters.I have to read the last three digits and then the rest of digits irrespective of the total length of the number. The digits then have to be swapped and changed to a fixed length. The fillers to be... (10 Replies)
Discussion started by: Sheel
10 Replies
6. Shell Programming and Scripting
I checked all the previous threads related to this and tried this.
My input is all numbers or decimals greater than zero everytime.
I want to check the same in the korn shell script.
Just validate the string to be numeric.
This is what I am doing.
var="12345"
if ) -o "$var" !=... (14 Replies)
Discussion started by: megha2525
14 Replies
7. Programming
I have a string
opt="row234"
I want to put "row" in a string and 234 in an int.
In general it should be
opt="textnum"
I want to store text in a string and num in an int. (6 Replies)
Discussion started by: kristinu
6 Replies
8. Shell Programming and Scripting
Hello,
I have a file of strings a below:-
4358RYFHD9845
28/COC/UYF984
9834URD 98HJDU
I need to extract all the first numeric character of every sting as follows:-
4358
28
9834
thanks to suggest ASAP
Regards,
Jasi
Use code tags, thanks. (7 Replies)
Discussion started by: jassi10781
7 Replies
9. Shell Programming and Scripting
I am trying to hit an URL using below command and get the data into an excel sheet.
wget --user=<<USERID>> --pass=<<PASSWROD>> http://www.files.thatbelongstome.com/file1 -O test1.xls
Next step is to consolidate files from 1 to 10 in a single excel sheet and send to my mail. I am working on... (1 Reply)
Discussion started by: PikK45
1 Replies
10. UNIX for Advanced & Expert Users
Hi , I have a file which contains text like
A|Mau|Code|12|Detail
B|Mau|Code|20|Header
I want to write a command using awk which will output
A|Mau|Code|12.00|Detail
B|Mau|Code|20.00|Header
I used a command like awk -F"|" {printf "%s|%s|%s|%.2f|%s",$1,$2,$3,$4,$5}' which does the... (4 Replies)
Discussion started by: LoneRanger
4 Replies
line(1) General Commands Manual line(1)
NAME
line - Reads one line from standard input
SYNOPSIS
line
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
line: XCU5.0
Refer to the standards(5) reference page for more information about industry standards and associated tags.
OPTIONS
None
DESCRIPTION
The line command copies one line, up to and including a newline, from standard input and writes it to standard output. Use this command
within a shell command file to read from your terminal. The line command always writes at least a newline character.
NOTES
The line utility has no internationalization features and is marked LEGACY in XCU Issue 5. Use the read utility instead.
EXIT STATUS
Success. End-of-File.
EXAMPLES
To read a line from the keyboard and append it to a file, enter: echo 'Enter comments for the log:' echo ': c' line >>log
This shell procedure displays the message: Enter comments for the log:
It then reads a line of text from the keyboard and adds it to the end of the file log. The echo ': c' command displays a : (colon)
prompt. See the echo command for information about the c escape sequence.
SEE ALSO
Commands: echo(1), ksh(1), read(1), Bourne shell sh(1b), POSIX shell sh(1p)
Functions: read(2)
Standards: standards(5)
line(1)