hi
i need to name a file with a substring of a another file name.
i.e. if the old filename is abc.txt , the new filename should be abc_1.txt
i should get the substring of the file name and then name the new one
please let me know how to do it (4 Replies)
Hi,
I have a folder list as below, I want to write a script to return a list like:
CASTLE_BU_20080801
CAUSEWAY_BU_20080801
HUNGHOM_BU_20080801
:
:
Can anyone help?
Thanks!
Victor Cheung
List of the folder:
# ls
CASTLE_BU_20080801.DMP OFFICE_MY1_BU_20080801.DMP... (1 Reply)
I'm new to shell scripting and am trying to write a small script that pulls a substring out of a file that has a few lines of text in it. The file will eventually have a lot of text, I just put a few lines in it for testing purposes.
Anyway, this is what I have so far...
#!/bin/ksh
... (4 Replies)
Hi,
I have a file with a long string, in the format:
name1=value,name2=value2.....namen=valuen
I want to query the file and extract 'value2' ONLY. name2=value2 can exist anywhere within the file.
Can anyone help me please wth a suitable BASH command?
Many thanks,
Matt (4 Replies)
HI All,
I have a file which looks like below
./Prod_id/rel/prod/lib.a
./Some_text/rel/fld/lib.a
./Some_text/deb/detail/lib.a
./Some_text/deb/err/lib.a
./Some_text/rel/prod/lib.a
./Some_text/rel/fld/lib.a
./Some_text/deb/detail/lib.a
./Some_text/deb/err/lib.a
I want... (5 Replies)
Hi
I need substring from the file name of list of files. I mean i will have to load all the files into database which are there in the Directory.
I need to make the directory with the date(which is substring of the filename Eg: Filename_Name_2012013001010101.txt, So the directory should be... (11 Replies)
Hi,
In my shell script. I am reading all files in directory.
And say if the file names are as follows:
adio_idfl_201302_df.txt
dfa_201301_dll.ctl
dalkd_20130301.csv
I would like to extract the numeric piece of each file name and display as follows:
201302
201301
20130301
I... (9 Replies)
Hello,
I have in my backup folder, files with names convention like this :
randomFileNames_13-02-2014_23h13m09+1392333189
randomFileNames_14-02-2014_02h13m09+1392343989
randomFileNames_14-02-2014_04h13m09+1392351189
etc....
Base on timestamp at end of the filename, I would to delete all the... (7 Replies)
Hello,
A question please.
A have a file that contains a string. Ex:
AAAABBCCCCCDDEEEEEEEEEEFF
I'd want to recover 2 substrings, 'BB' and 'FF' and then leave them in a new file.
Could anoyone help me please?
Thanks in advance (3 Replies)
Hello,
A question please.
A have a file that contains a string. Ex:
AAAABBCCCCCDDEEEEEEEEEEFF
I'd want to recover 2 substrings, 'BB' and 'FF' and then leave them in a new file.
From position 5, 2 caracters (ex:"BB") and from position 25, 2 caracters (ex:"FF") in a file.
Could anoyone help me... (3 Replies)
Discussion started by: nolo41
3 Replies
LEARN ABOUT OSX
cat
CAT(1) BSD General Commands Manual CAT(1)NAME
cat -- concatenate and print files
SYNOPSIS
cat [-benstuv] [file ...]
DESCRIPTION
The cat utility reads files sequentially, writing them to the standard output. The file operands are processed in command-line order. If
file is a single dash ('-') or absent, cat reads from the standard input. If file is a UNIX domain socket, cat connects to it and then reads
it until EOF. This complements the UNIX domain binding capability available in inetd(8).
The options are as follows:
-b Number the non-blank output lines, starting at 1.
-e Display non-printing characters (see the -v option), and display a dollar sign ('$') at the end of each line.
-n Number the output lines, starting at 1.
-s Squeeze multiple adjacent empty lines, causing the output to be single spaced.
-t Display non-printing characters (see the -v option), and display tab characters as '^I'.
-u Disable output buffering.
-v Display non-printing characters so they are visible. Control characters print as '^X' for control-X; the delete character (octal
0177) prints as '^?'. Non-ASCII characters (with the high bit set) are printed as 'M-' (for meta) followed by the character for the
low 7 bits.
EXIT STATUS
The cat utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
The command:
cat file1
will print the contents of file1 to the standard output.
The command:
cat file1 file2 > file3
will sequentially print the contents of file1 and file2 to the file file3, truncating file3 if it already exists. See the manual page for
your shell (i.e., sh(1)) for more information on redirection.
The command:
cat file1 - file2 - file3
will print the contents of file1, print data it receives from the standard input until it receives an EOF ('^D') character, print the con-
tents of file2, read and output contents of the standard input again, then finally output the contents of file3. Note that if the standard
input referred to a file, the second dash on the command-line would have no effect, since the entire contents of the file would have already
been read and printed by cat when it encountered the first '-' operand.
SEE ALSO head(1), more(1), pr(1), sh(1), tail(1), vis(1), zcat(1), setbuf(3)
Rob Pike, "UNIX Style, or cat -v Considered Harmful", USENIX Summer Conference Proceedings, 1983.
STANDARDS
The cat utility is compliant with the IEEE Std 1003.2-1992 (``POSIX.2'') specification.
The flags [-benstv] are extensions to the specification.
HISTORY
A cat utility appeared in Version 1 AT&T UNIX. Dennis Ritchie designed and wrote the first man page. It appears to have been cat(1).
BUGS
Because of the shell language mechanism used to perform output redirection, the command ``cat file1 file2 > file1'' will cause the original
data in file1 to be destroyed!
The cat utility does not recognize multibyte characters when the -t or -v option is in effect.
BSD March 21, 2004 BSD