Here's what I have...
$ vi foo1
- open foo1 and work around for a while. I yank a few lines into a buffer and then :w to save.
Next I :e foo2 to open foo2 and paste my buffer. I :w to save, but I would like to then be able to go directly back into foo1 where I was before I opened foo2. ... (4 Replies)
i had heard that linux is open source.....which meant that i could edit it.
so how do i start out? i've already downloaded it. the name's "puppy linux".....someone please reply quick!!!
and by the way, may i know what shell scripting is? (15 Replies)
Hi, I am trying to edit sshd_config file through the vi editor.
logged on as a root.
when I try to write the file I get:
Read-only file, not written; use ! to override
when i type :w!, I get:
Error: etc/ssh/sshd_config Permission denied.
I want to change:
#PermitRootLogin no to yes
freeBDS... (6 Replies)
Hello Everyone,
I have a few files in a directory such as :
abc.xyz.txt1.gz
abc.xyz.txt2.gz
....
....
...
...
abd.xyz.txt100.gz
And I want uncompressed files such as:
abc.xyz.txt1
abc.xyz.txt2
....
...
.....
.... (1 Reply)
Hi ALL,
Am working with the gunzip command to zip all the old files having 10 days
am using the command
find . -name '*.log' -type f -mtime +10 -exec gunzip {} \;
am facing two issues
1.)it displays the files which are all older than a year
2.)when am trying to gunzip all the... (2 Replies)
Hi, sometimes one wants to edit files while still seeing output of earlier commands in terminal. I've found out that cat test && cat - >> test does the trick for displaying file content and adding lines but I believe I saw a much cooler command that was also able to erase lines from files. I cannot... (6 Replies)
I have compressed files under directory '/root/data' and i need the uncompressed files in another directory
'/root/uncom'. I running a shell script below shell script from directory '/root/'
gunzip /root/data/*.gz -d /root/uncom
But this is failing with
gunzip: /root/uncom is a directory... (2 Replies)
Hi all,
I have a directory with multiple (thousnads) of files, which are named this way
ABCDEF.wo.im-1
OKRAME.ire.roi
IOJEAFO01.irt.gfg
IMNYBL05.REG.gkf
I would like to keep the part of the name (everything before the first dot in the filename).
The desired output:
ABCDEF... (3 Replies)
I have compressed files under directory '/root/data' and i need the uncompressed files in another directory
'/root/uncom'. I running a shell script below shell script from directory '/root/'
gunzip /root/data/*.gz -d /root/uncom
But this is failing with :
gunzip: /root/uncom is a directory... (2 Replies)
Discussion started by: hoyanet
2 Replies
LEARN ABOUT CENTOS
which
WHICH(1) General Commands Manual WHICH(1)NAME
which - shows the full path of (shell) commands.
SYNOPSIS
which [options] [--] programname [...]
DESCRIPTION
Which takes one or more arguments. For each of its arguments it prints to stdout the full path of the executables that would have been exe-
cuted when this argument had been entered at the shell prompt. It does this by searching for an executable or script in the directories
listed in the environment variable PATH using the same algorithm as bash(1).
This man page is generated from the file which.texinfo.
OPTIONS --all, -a
Print all matching executables in PATH, not just the first.
--read-alias, -i
Read aliases from stdin, reporting matching ones on stdout. This is useful in combination with using an alias for which itself. For
example
alias which='alias | which -i'.
--skip-alias
Ignore option `--read-alias', if any. This is useful to explicity search for normal binaries, while using the `--read-alias' option in
an alias or function for which.
--read-functions
Read shell function definitions from stdin, reporting matching ones on stdout. This is useful in combination with using a shell func-
tion for which itself. For example:
which() { declare -f | which --read-functions $@ }
export -f which
--skip-functions
Ignore option `--read-functions', if any. This is useful to explicity search for normal binaries, while using the `--read-functions'
option in an alias or function for which.
--skip-dot
Skip directories in PATH that start with a dot.
--skip-tilde
Skip directories in PATH that start with a tilde and executables which reside in the HOME directory.
--show-dot
If a directory in PATH starts with a dot and a matching executable was found for that path, then print "./programname" rather than the
full path.
--show-tilde
Output a tilde when a directory matches the HOME directory. This option is ignored when which is invoked as root.
--tty-only
Stop processing options on the right if not on tty.
--version,-v,-V
Print version information on standard output then exit successfully.
--help
Print usage information on standard output then exit successfully.
RETURN VALUE
Which returns the number of failed arguments, or -1 when no `programname' was given.
EXAMPLE
The recommended way to use this utility is by adding an alias (C shell) or shell function (Bourne shell) for which like the following:
[ba]sh:
which ()
{
(alias; declare -f) | /usr/bin/which --tty-only --read-alias --read-functions --show-tilde --show-dot $@
}
export -f which
[t]csh:
alias which 'alias | /usr/bin/which --tty-only --read-alias --show-dot --show-tilde'
This will print the readable ~/ and ./ when starting which from your prompt, while still printing the full path when used from a script:
> which q2
~/bin/q2
> echo `which q2`
/home/carlo/bin/q2
BUGS
The HOME directory is determined by looking for the HOME environment variable, which aborts when this variable doesn't exist. Which will
consider two equivalent directories to be different when one of them contains a path with a symbolic link.
AUTHOR
Carlo Wood <carlo@gnu.org>
SEE ALSO bash(1)WHICH(1)