How to understand special character for line reading in bash shell?
I am still learning shell scripting. Recently I see a function for read configuration. But some of special character make me confused. I checked online to find answer. It was not successful. I post the code here to consult with expert or guru to get better understanding on these special characters such as:^[^#]*=,line%%=*,line#*=. how to understand the usage of these special character here. Thanks.
Hello,
On Sco OpenServer 5, i want to print using the lpr command, no CUPS installed.
I print on an HP LaserJet 4050 on LAN (IP 192.168.x.x)
the printer is installed by HP Network Printer service.
it works fine, but Specials characters, like é, @ or ° print bad characters.
Is there... (5 Replies)
Hi, experts.
Whould anybody clear explay me difference and usage of these 3 commands (particulary in bash) :
exec
eval
source
I've tryed to read the manual pages but did not get much.
Also could not get something useful from Google search - just so much and so not exactly, that is... (3 Replies)
I used following to add * at the end of the line in file1.
It adds * at the end but has a space before it for some lines but some other lines it adds exactly after the last character.
How do I take out the space ?
sed 's/$/*/' file1 > file2
example:
contents of file1 :
... (2 Replies)
Hi,
I have a log file generated by a tool which has the following look :
/tmp/releases/directory/datefilename1_release_date.zip
/tmp/releases/directory/datefilename2_release_date.zip
/tmp/releases/directory/datefilename3_release_date.zip... (8 Replies)
I do not claim to be an expert, but I have done things with scripts that whole teams of folks have said can not be done. Of course they should have said we do not have the intestinal fortitude to git-r-done.
I have been using UNIX actually HPUX since 1992. Unfortunately my old computer died and... (7 Replies)
I am using this character as a delimiter 'þ'
Currently, I set it straight:
DELIMITER='þ'
However, while copying the file, this character often gets mangled. Is there a bash way (perhaps using tr or printf) of generating this character.
It corresponds to
"chr(0xfe)" if using perl. (I've... (6 Replies)
Hi all,
I have a file with some module names as below.
Font::AFM
Data::Grove ---> libxml-perl
Net::LDAP ---> perl-ldap
DBI
XML
....
...
....
and so on ...
The file has some lines with the character " -->" .
Now how can I cut only the last column of the line wherever "-->" is... (4 Replies)
Hello every one and thanks in advance for the time you will take to think about my problem.
I would like to know if it's possible (in BASH) to read a text file character after character.
Exactly this is what I would like to do :
Txt file : ATGCAGTTCATTGCCAAA...... (~2.5 millions... (3 Replies)
when I execute the unix commands its works normally in the 1st part.
When I the tried the same in shell scripting the directory is not displayed in 2nd part example. please let me know what needs to be done.
Unix :
client=~zsvdbs
echo $client
/shome/zsvhome/zsvdbs
Using... (3 Replies)
Hi,
I am new in bash scripting. In my work, I provide support to several users and when I connect to their computers I use the same admin and password, so I am trying to create a script that will only ask me for the IP address and then connect to the computer without having me to type the user... (5 Replies)
Discussion started by: arcoa05
5 Replies
LEARN ABOUT MINIX
line
line(1) User Commands line(1)NAME
line - read one line
SYNOPSIS
line
DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns
an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal.
EXIT STATUS
Exit status is:
0 Successful completion
>0 End-of-file on input.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO sh(1), read(2), attributes(5)SunOS 5.10 1 Feb 1995 line(1)