05-28-2008
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hello, I'm trying to use grep or egrep to exclude a whole range of characters but how do I exclude both a single and a double quote.
It might be easier to say how do I use grep to find both single and double quotes.
grep ' ' " ' file
grep detects the first single quote within my... (4 Replies)
Discussion started by: Lindy_so
4 Replies
2. Shell Programming and Scripting
Hi,
I am trying to write the following command as an alias in my .bashrc file.
bjobs -u all | awk '{if (NR > 1) {username++;}}END{{print"\nJOBS BY USER:\n"} for (i in username) {print username,i;}{print"\n Total Jobs=",NR-1,"\n" }}'
The command simply puts how many jobs each user is... (2 Replies)
Discussion started by: jacekmaciek
2 Replies
3. Shell Programming and Scripting
Hi guys, I have a sed line in double quotes which works fine, but I want it to be in single quotes
here is the sed line
sed "/abc_def/s/\'.*\'/\'\${abc_def}\'/"
can some one give the equivalent to the above script in single quotes
Thanks a ton (5 Replies)
Discussion started by: sol_nov
5 Replies
4. UNIX for Dummies Questions & Answers
Unix superusers,
I am new to unix but would like to learn more about grep. I am very familiar with regular expressions as i have used them for searching text files in windows based text editors. Since I am not very familiar with Unix, I dont understand when one should use GREP with the... (2 Replies)
Discussion started by: george_vandelet
2 Replies
5. UNIX for Dummies Questions & Answers
Hi Unix experts,
Believe me, this forum has been really great help and I searched for many things that were already answered before open new post that were just new versions of old one, but with this one, I just can't simply move any forward.
This must be quite easy, but I cant find where I... (1 Reply)
Discussion started by: manolain
1 Replies
6. Shell Programming and Scripting
Hello. I'm trying to write a bash script that uses GNU screen and have hit a brick wall that has cost me many hours... (I'm sure it has something to do with quoting/globbing, which is why I post it here)
I can make a script that does the following just fine:
test.sh:
#!/bin/bash
# make... (2 Replies)
Discussion started by: jondecker76
2 Replies
7. UNIX for Dummies Questions & Answers
Hi i have to insert the below line into a specific line number of another file
export MBR_CNT_PRCP_TYPE_CODES_DEL="'01','02','04','05','49','55','UNK'"
I have passed the above line to a variable say ins_line. I have used below command to perform the insert
awk 'NR==3{print "'"${ins_line}"'"}1'... (1 Reply)
Discussion started by: sathishteradata
1 Replies
8. Shell Programming and Scripting
Hi,
Trying to change the prompt. I have the following code.
export PS1='
<${USER}@`hostname -s`>$ '
The hostname is not displayed
<abc@`hostname -s`>$ uname -a
AIX xyz 1 6 00F736154C00
<adcwl4h@`hostname -s`>$
If I use double quotes, then the hostname is printed properly but... (3 Replies)
Discussion started by: bobbygsk
3 Replies
9. Shell Programming and Scripting
Hi Froum.
I have tried in vain to find a solution for this problem - I'm trying to replace any double quotes within a quoted string with a single quote, leaving everything else as is.
I have the following data:
Before:
... (32 Replies)
Discussion started by: pchang
32 Replies
10. Shell Programming and Scripting
Hi All,
I'm unable to load the data using sql loader where there are double quotes within the double quotes As these are optionally enclosed by double quotes.
Sample Data :
"221100",138.00,"D","0019/1477","44012075","49938","49938/15043000","Television - 22" Refurbished - Airwave","Supply... (6 Replies)
Discussion started by: mlavanya
6 Replies
ln(1) General Commands Manual ln(1)
Name
ln - link to a file
Syntax
ln [ -f ] [ -i ] [ -s ] name1 [name2]
ln [ -f ] [ -i ] [ -s ] name ... directory
Description
A link is a directory entry referring to a file. A file, together with its size and all its protection information may have several links
to it. There are two kinds of links: hard links and symbolic links.
By default makes hard links. A hard link to a file is indistinguishable from the original directory entry. Any changes to a file are
effective independent of the name used to reference the file. Hard links may not span file systems and may not refer to directories.
Given one or two arguments, creates a link to an existing file name1. If name2 is given, the link has that name. The name2 may also be a
directory in which to place the link. Otherwise it is placed in the current directory. If only the directory is specified, the link is
made to the last component of name1.
Given more than two arguments, makes links to all the named files in the named directory. The links made have the same name as the files
being linked to.
Options
-f Forces existing destination pathnames to be removed before linking without prompting for confirmation.
-i Write a prompt to standard output requesting information for each link that would overwrite an existing file. If the response from
standard input is affirmative, and if permissions allow, the link is done. The -i option has this effect even if the standard input is
not a terminal.
-s Creates a symbolic link.
A symbolic link contains the name of the file to which it is linked. The referenced file is used when an operation is performed on
the link. A on a symbolic link returns the linked-to file. An must be done to obtain information about the link. The call may be
used to read the contents of a symbolic link. Symbolic links may span file systems and may refer to directories.
See Also
cp(1), mv(1), rm(1), link(2), readlink(2), stat(2), symlink(2)
ln(1)