I have a criteria like bloew.
user entered the uid like <START_UID>-<END_UID>
it menas if he enter 00001-12345
START_UID=00001 and END_UID=12345
both are separated by `-`.
I need to validate whether user entered uids like above, he should have to enter '-', otherwise error msg has to print. And need to validate whether both uids are numeric only. If he enter 00001-1234( error msg has to print. And it should accepts only one occurance of '-' symbol.
can any one give the solution.I am trying with this sol
When you post code, please wrap it in [code] tags.
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It's a bad habit to use variables that the shell uses. OPTARG is used with getopts.
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You haven't defined $length.
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You don't need '-$cnt', just '-c$cnt'.
In fact, you don't need cut at all. You don't even need the loop.
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But when i enter 3663-929(
-bash: syntax error near unexpected token `('
This error am getting .
Parentheses on the command line mkust be escaped (or quoted). It has nothing to do with your script; echo 3663-929( will give you the same error.
Hi All,
I am using LATEX and need to delete all the lines in a file matching:
\begin{work}
I know there are several ways to do this, but I am trying to do it with the substitute command in VI. The problem is I can't get substitute to recognize the character '\'!
How do I do it?
... (7 Replies)
When I open a file in vi, I see the following characters:
\302\240
Can someone explain what these characters mean. Is it ASCII format? I need to trim those characters from a file.
I am doing the following:
tr -d '\302\240'
---------- Post updated at 08:35 PM ---------- Previous... (1 Reply)
hello all
I am writing a perl code and i wish to remove the special characters for text.
I wish to remove all extended ascii characters. If the list of special characters is huge, how can i do this using substitute command
s/specialcharacters/null/g
I really want to code like... (3 Replies)
Hi all,
I was wondering how can i see the special characters like \t, \n or anything else in a file by using Nano or any other linux command like less, more etc (6 Replies)
I'm attempting a little hack to get grep to highlight (change foreground color to red) a found string. Assuming a target file "test" consisting of the word "albert":
My executable "algrep" consists of this:
grep $1 $2 | sed "s/$1/\\\033
And when run:
algrep al test
Produces this:... (2 Replies)
i need to replace the any special characters with escape characters like below.
test!=123-> test\!\=123
!@#$%^&*()-= to be replaced by
\!\@\#\$\%\^\&\*\(\)\-\= (8 Replies)
I am learning from the class how to protect the special characters and the script that I wrote here does not work when I am trying to pick up a single quote. It would complaint about parentheses problem. Please, someone could enlighten me.
Thanks in advance,
Scopiop
Input file
Hi, * ?... (2 Replies)
I have an application which I am integrating with that accepts the password via a CLI. I am running in to issues with passwords that contain special characters. I tried to escape them all, but I ran in to an issue where I cannot escape the characters
'
]
My attempt is as follows:
$... (2 Replies)