I've been searching around here and other places, but can't put this together...
I've got a unique list of words in file 1 (one word on each line).
I need to delete each line in file2 that begins with the word in file1.
I started this way, but want to know how to use file1 words instead... (13 Replies)
I want to script out deleting the first field of a file when it is created. I'm looking to store the output of an ls -l commad to a file but leaving off the permissions so when the file is opened I see something like;
2 bin bin 256 Feb 6 2005 mnt
5 root system 256... (2 Replies)
Greetings,
I want to use a script (preferably awk) which determines if the first character in a line is double-byte (as in Japanese or Chinese) and deletes it.
For example:
(in the above quote, I see Japanese on my screen for two lines - with 2 characters in the first and 3 characters in the... (8 Replies)
Hello. I have the following issue: my txt file has the following format:
train/dr4/fklc0/sx175.txt
0 80282 Severe myopia contributed to Ron's inferiority complex.
train/dr4/fklc0/sx355.txt
0 42906 Dolphins are intelligent marine mammals. train/dr4/fklc0/sa2.txt
awk 'NR%2==0' test1.txt >... (4 Replies)
Hi All
I have a folder that contains hundreds of file with a names
3.msa
4.msa
21.msa
6.msa
345.msa
456.msa
98.msa
...
...
...
I need rename each of this file by adding "core_" in the begiining of each file such as
core_3.msa
core_4.msa
core_21.msa (4 Replies)
Im trying to use wild cards to find files that start with either an upper or lower case letter e.g. list files that beginning with b or B, i also want to sort them by the time they were last modified. e.g latest file created first.
At the moment i have the following code that
ls -d... (3 Replies)
I am writing a code to append some numbers in the beginning of each line in all the files present in a directory. The number of files are really huge. The files are numbered as 1.sco, 2.sco, 4.sco (Note: 3.sco is missing).
The files currently look like this:
1.sco
2 3
5 6
6 7My task is to... (4 Replies)
Hi,
I have multiple files having many lines like as bvelow:
file Name a.txt
abc def
def xyz
123 5678
file Name b.txt
abc def
def xyz
123 5678
I would like to append files in the below format to a new file:
file Name c.txt (7 Replies)
Hi
My directory structure is as below.
dir1, dir2, dir3
I have the list of files to be deleted in the below path as below.
/staging/retain_for_2years/Cleanup/log $ ls -lrt
total 0
drwxr-xr-x 2 nobody nobody 256 Mar 01 16:15 01-MAR-2015_SPDBS2
drwxr-xr-x 2 root ... (2 Replies)
Hi,
I have been searching how to do this but I can't seem to find how to do it. Hopefully someone can help.
I have multiplr files, 100's example 12345-zxys.213423.zyz.txt. I want to be able to take all these files and remove the first '12345-' from each of the files. '12345-' these characters... (5 Replies)
Discussion started by: israr75
5 Replies
LEARN ABOUT ULTRIX
rm
rm(1) General Commands Manual rm(1)Name
rm, rmdir - remove (unlink) files or directories
Syntax
rm [-f] [-r] [-i] [-] file-or-directory-name...
rmdir directory-name...
Description
The command removes the entries for one or more files from a directory. If there are no links to the file then the file is destroyed. For
further information, see
The command removes entries for the named directories, which must be empty. If they are not empty, the directories remain, and displays an
error message (see EXAMPLES).
To remove a file, you must have write permission in its directory, but you do not need read or write permission on the file itself. When
you are using from a terminal, and you do not have write permission on the file, the command asks for confirmation before destroying the
file.
If input is redirected from the standard input device (your terminal), then checks to ensure that input is not coming from your terminal.
If not, sets the -f option, which overrides the file protection, and removes the files silently, regardless of what you have specified in
the file redirected as input to See EXAMPLES.
Options
- Specifies that the named files have names beginning with a minus (for example ).
-f Forces the removal of file or directory without first requesting confirmation. Only system or usage messages are displayed.
-i Prompts for yes or no response before removing each entry. Does not ask when combined with the -f option. If you type a y, followed
by any combination of characters, a yes response is assumed.
-r Recursively removes all entries from the specified directory and, then, removes the entry for that directory from its parent direc-
tory.
Examples
The following example shows how to remove a file in your current working directory.
rm myfile
This example shows use of the null option to remove a file beginning with a minus sign.
rm - -gorp
This example shows how a confirmation is requested for removal of a file for which you do not have write permission.
rm testfile
rm: override protection 400 for testfile? y
This example shows how the combination of -i and -r options lets you examine all the files in a directory before removing them. In the
example, mydirectory is a subdirectory of the current working directory. Note that the last question requests confirmation before removing
the directory itself. Although the user types ``y'', requesting removal of the directory, the command does not allow this, because the
directory is not empty; the user typed ``n'' to the question about the file file2 , so file2 was not removed.
rm -ir mydirectory
rm: remove mydirectory/file1? y
rm: remove mydirectory/file2? n
.
.
.
rm: remove mydirectory? y
rm: mydirectory: Directory not empty
This example illustrates that overrides file protection when input is redirected from the standard input device. The user creates a file
named ``alfie'', with a read-only file protection. The user then creates a file named ``ans'' to contain the character ``n''. The command
following destroys the file ``alfie'', even though the redirected input file requested no deletion.
cat > alfie
hello
^d
chmod 444 alfie
cat > ans
n
^d
rm < ans alfie
See Alsounlink(2)rm(1)