Hi every1
Well i have a list of numbers e.g
12304
13450
01234
00123
14567
what i want is a command to check if the number is starting from 0 and then delete the 0 without doing anything else!!!!
any help wud b appreciated!!!!!!!!:( (4 Replies)
How can I delete those lines that starts with a certain letter?
abc def ghi
xyz abc def
ace gik moq
abe imq gxm
I want to delete the line that starts with "x". Thanks! (4 Replies)
Hi All,
I have a configuration file (file.cfg) in which data will be like this
;
,
_
+
a to z
A to Z
Now i have to read a textfile (file.txt) and i need to check whether there is any other character present in text file that is not existing in (file.cfg).
If other characters are present... (4 Replies)
I made menu script for users so they can run other script without going in shell just from menu.
But i must control their input.
These are criteria:
Input must have 4 signs
First two signs are always lower case letters
Input shall not have some special signs just letters and numbers
... (1 Reply)
Hi to all in forum,
I'm trying to convert the letter number between 1 (A) and 26 (Z), that part is working, my issue is how to assign the printf output to a variable:LetterNumber=10
printf "\x$(printf %x $((${LetterNumber}+64)))"
$ J
#The problem, how to assign printf output (J in this... (8 Replies)
Hello,
I'm trying to figure out how to use sed or awk to delete single lines in a file. By single, I mean lines that are not touching any other lines (just one line with white space above and below).
Example:
one
two
three
four
five
six
seven
eight
I want it to look like: (6 Replies)
Hi,
I'm trying to acheive the following, I have a dat file in which i have several addresses, If the address starts with a single digit then i have to delete the line,
if it starts with 2 or more digits then i have to keep the line
Here is a sample of my file:
377 CARRER DE LA... (5 Replies)
Hello Unix.com !
Newbie question.
With awk, i can we give a particular letter a number without printing the number?
input:
X|X
A|X
A|A
X|A
If field is "A", then it counts as 2
If field is "X", then it counts as 3
Multiply the 2 first field and give the result in the 3th field, but... (7 Replies)
I have a word file that looks like:
pens
binder
spiral
user
I want to delete all the words without the letter /s/, so output looks like:
pens
spiral
user
I tried using sed:
sed '//d' infile.txt > out.txt (5 Replies)
Good afternoon all,
I want to ask how to change some letter in my file with other letter in spesific line
eg.
data.txt
1
1
1
0
0
0
0
for example i want to change the 4th line with character 1.
How could I do it by SED or AWK.
I have tried to run this code but actually did not... (3 Replies)