changing number in bash (number is in form of string)
I have a txt file as database. when i run my program what it does is it ask me for 3 name and stored in the file as
name1:name2:name3:1
when u enter 3 name it add those in file as above format and add 1 at the end. I what i want is if i enter same names again it changes that 1 to 2 and so on..but if i enter different names than it add those in a fiile with 1 at the end.. any idea will be apreciated
message for mod: I ask this kind of question in one of my other thread but that thread was about something else. So if this is not allowed to ask again even though the topic is different. please delete the post..Thanks
What this is doing is
sam:harry:joseph:1 (when i first add the name)
when i enter the same three names it updates that 2 butoutput in the file is like this:
sam:harry:joseph:1 (the one tht we did first)
sam:harry:joseph:2 (number changed)
what i want is it should not skip to next like and change 1 to 2 from the same line which was already stored.
Hello
I have a file of the form
...
num 0.12 num num
num 25.53 num num
num 7.82 num num
......
and I want to convert the 2nd field of each line adding a "0" at the numbers >= 0 and < 10 so the output will have the form:
...
num 00.12 num num
num 25.53 num num
num 07.82 num... (10 Replies)
Hello all,
I'm new to the forums and hope to be able to contribute something useful in the future; however I must admit that what has prompted me to join is the fact that currently I need help with something that has me at the end of my tether.
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I want to change the number 70 mentioned in my file to 76 by using awk. I know how to change all same digits but not one particular number.
I have 29 files almost similar to this. One of my files looks like
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Hi,
I have a data as follow:
1 400
2 239
3 871
4 219
5 543
6 ...
7 ...
.. ...
.. ...
99 818
100 991
I want to replace the sequence number (column 1) that start from 150. The output should like this:
150 400
151 239 (3 Replies)
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number=1
echo $number
00001
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Example:
O o x
What I would like to do is to rename the first column of the above file without affecting the format. The output should look like the following:
Output:
O o x
#! /bin/ksh
cd $HOME/lib/.Lee
#nl = no. of lines.
nl=`grep 'X' ex | wc -l`
#ln = line no.
ln=1 (17 Replies)
How do you test if a string is a number?
Trying to do something like this:
x="AS"
if( x is not a number ); then
x=0
fi
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