hello, i am a newbie who is just starting to use liunx, and I need to accept a string from the terminal and use case to echo a suitable message if the string doesn't have at least 10 characters. Also, how would I do the same thing using expr? (3 Replies)
Hi all,
I am new to scripting and hope to get help in this forum...we use autosys ... the jil files call shell scripts (korn shell) for automated processes and create logs everytime they are run...the process runs every 5 mins which is creating huge logs...i need to know if logs be created... (0 Replies)
hi...
I have a folder<abc> under /root folder. I want to create a symlink such that when i click on folder<abc> under root, should display my home folder (home/krish).
Immediate inputs appreciated..... (1 Reply)
After a few hours of frustration because I didn't understand why my symlinks are destroyed i just found out that sed -i will destroy symlinks.
I searched but i didn't found any good solution for this.
Is there any way to overcome this ? On my ubuntu server sed version is 4.1.5
edit: Sorry... (0 Replies)
Hi all,
I want to create a symlink on a link file, i mean, there is a file which is actually a symlink of some version. Now i want to create one more symlink on that link file.
EX: there is a file:
uat -> version
prod -> version
Now i want to create one more link on these 'uat' and... (1 Reply)
Hi Forums,
I got a little problem, I made a few modifications to the code of the launch script of a testing server(minecraft) and now updating is broken aswell as the automatic directory creation.
These Lines somehow create an endless symlink that refers to itself and I don't know how to fix... (0 Replies)
i would like to remove a directory and also symlink target inside.
my_directory
-- file1 -> /targetpath/file1
-- file2 -> /targetpath/file2
rm -rf my_directory will not remove symlink target.
rm -rf "`readlink -f file1`" will only remove target if specifying the symlink is specified
... (4 Replies)
I am trying to setup my plex server to use symlinks rather than host the movie files.
in my storage directory, i have both movies(some in subdirectory of the name and some just in the parent directory) and tvshows, which have subdirectories for each season, which contains the episodes
i would... (3 Replies)
I know how to create a symlink but I am getting an error message that the file already exists. Also, my symlink doesn't point from target directory to the path correctly,
Here is an example of the path to my folder structure
path: cd /wkspce/wff/DEV/jobs/DEL
the folder structure is:
... (3 Replies)
Hello,
On Solaris 10, here are entries for logs in httpd.conf
ErrorLog "|/export/apache/apache-2.2.17/bin/rotatelogs -l -f /var/log/apache/error_log.%Y%m%d 86400"
It keeps creating daily logs with below names -
-rw-r--r-- 1 root root 1016747232 Apr 5 23:59... (16 Replies)
Discussion started by: solaris_1977
16 Replies
LEARN ABOUT DEBIAN
expect_unbuffer
UNBUFFER(1) General Commands Manual UNBUFFER(1)NAME
unbuffer - unbuffer output
SYNOPSIS
unbuffer program [ args ]
INTRODUCTION
unbuffer disables the output buffering that occurs when program output is redirected from non-interactive programs. For example, suppose
you are watching the output from a fifo by running it through od and then more.
od -c /tmp/fifo | more
You will not see anything until a full page of output has been produced.
You can disable this automatic buffering as follows:
unbuffer od -c /tmp/fifo | more
Normally, unbuffer does not read from stdin. This simplifies use of unbuffer in some situations. To use unbuffer in a pipeline, use the
-p flag. Example:
process1 | unbuffer -p process2 | process3
CAVEATS
unbuffer -p may appear to work incorrectly if a process feeding input to unbuffer exits. Consider:
process1 | unbuffer -p process2 | process3
If process1 exits, process2 may not yet have finished. It is impossible for unbuffer to know long to wait for process2 and process2 may
not ever finish, for example, if it is a filter. For expediency, unbuffer simply exits when it encounters an EOF from either its input or
process2.
In order to have a version of unbuffer that worked in all situations, an oracle would be necessary. If you want an application-specific
solution, workarounds or hand-coded Expect may be more suitable. For example, the following example shows how to allow grep to finish pro-
cessing when the cat before it finishes first. Using cat to feed grep would never require unbuffer in real life. It is merely a place-
holder for some imaginary process that may or may not finish. Similarly, the final cat at the end of the pipeline is also a placeholder
for another process.
$ cat /tmp/abcdef.log | grep abc | cat
abcdef
xxxabc defxxx
$ cat /tmp/abcdef.log | unbuffer grep abc | cat
$ (cat /tmp/abcdef.log ; sleep 1) | unbuffer grep abc | cat
abcdef
xxxabc defxxx
$
BUGS
The man page is longer than the program.
SEE ALSO
"Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Programs" by Don Libes, O'Reilly and Associates, January 1995.
AUTHOR
Don Libes, National Institute of Standards and Technology
1 June 1994 UNBUFFER(1)