10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am trying to use sed to rename all .txt files in /home/cmccabe/test. However, I am getting an error that I seems to be putting the files in a new directory s, instead of in the original. Thank you :).
bash
# rename classified
cd /home/cmccabe/test
pattern2_old="_classify"... (2 Replies)
Discussion started by: cmccabe
2 Replies
2. Shell Programming and Scripting
I have files in the ABC_YYYYMMDD.zip format under a directory. Each zip file contains A text file in the ABC_YYYYMMDD.txt format.
I am trying to create a script that will Rename the zip files and their underlying text file replacing the datepart in them with .
For eg: in the case of... (1 Reply)
Discussion started by: bash987
1 Replies
3. Shell Programming and Scripting
Dear all,
I have few log folders in directory (FILE) and i need to perform sed on each files inside each folders. Here is my script, and i wish to rename each file back to the same file name after modification. Can anyone guide me on my script below?
eg:
folder1 contain files... (2 Replies)
Discussion started by: ymeyaw
2 Replies
4. Shell Programming and Scripting
Hi,
I have data as
"01/22/97-"aaaaaaaaaaaaaaaaa""aaa""aabbbbbbbbcccccc""zbcd""dddddddddeeeeeeeeefffffff"
I want to remove only the Consequitive double quotes and not the one which occurs single.
My O/P must be ... (2 Replies)
Discussion started by: Bhuvaneswari
2 Replies
5. Shell Programming and Scripting
Hello,
I am new to shell scripting and stuck on renaming files in a folder. The files have the format
chp01_00001.wav
chp01_00002.wav
....
chp02_00001.wav
chp02_00002.wav
....
but I want them to have the following names:
chp_bloomy_00001.wav
chp_bloomy_00002.wav
chp_bloomy_00003.wav... (8 Replies)
Discussion started by: Bloomy
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6. UNIX for Dummies Questions & Answers
Okay so here's something that's confusing me: I have a script that's designed to remove the words "new_" from the front of any file except two exceptions and it looks something like this...
for i in new_*
do
if ] && ]; then
j=`echo "$i"|cut -c5-`
mv $i $j
fi
done
... (5 Replies)
Discussion started by: Korn0474
5 Replies
7. Shell Programming and Scripting
In response to a closed thread for degraff63 at
https://www.unix.com/shell-programming-scripting/108882-using-mv-find-exec.html
the following command might do it as some shells spit it without the "exec bash -c " part:
Find . -name "*.model" -exec bash -c "mv {} \`echo {} | sed -e 's//_/g'\`"... (0 Replies)
Discussion started by: rupert160
0 Replies
8. Linux
Hi,
i need to write a shell script where i have to loop through all the file in a directory and rename them based on below condition.
file1.dat
file2.dat
file3.dat
the above files has to be moved to another directory like below
file1_201001.dat
file2_201002.dat
file3_201003.dat... (3 Replies)
Discussion started by: feroz
3 Replies
9. UNIX Desktop Questions & Answers
Hi,
Is it possible to rename files at a time in a directory without using the for loop. (ex: intial filename- abc.txt to abc.tmp or abc.txt.tmp)
I need to rename the files in a remote directory to which I'm connecting thru tectia sftp. The commands 'mv', 'for', 'echo' do not work.
I have... (3 Replies)
Discussion started by: Qwerty123
3 Replies
10. Shell Programming and Scripting
Hi All,
I am getting all .txt files from a particular directory, as in a following example:
for FILE in `echo $v_filename`
do
done
here i need to rename each original file with a new name for e.g.
we have 3 files in test directory
/test
a.txt
b.txt
c.txt
These files are in a... (3 Replies)
Discussion started by: sandeepb
3 Replies
SED(1) User Commands SED(1)
NAME
sed - manual page for sed version 4.0.3
SYNOPSIS
sed [OPTION]... {script-only-if-no-other-script} [input-file]...
DESCRIPTION
Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipe-
line). While in some ways similar to an editor which permits scripted edits (such as ed), sed works by making only one pass over the
input(s), and is consequently more efficient. But it is sed's ability to filter text in a pipeline which particularly distinguishes it
from other types of editors.
-n, --quiet, --silent
suppress automatic printing of pattern space
-e script, --expression=script
add the script to the commands to be executed
-f script-file, --file=script-file
add the contents of script-file to the commands to be executed
-i[suffix], --in-place[=suffix]
edit files in place (makes backup if extension supplied)
-l N, --line-length=N
specify the desired line-wrap length for the `l' command
-r, --regexp-extended
use extended regular expressions in the script.
-s, --separate
consider files as separate rather than as a single continuous long stream.
-u, --unbuffered
load minimal amounts of data from the input files and flush the output buffers more often
--help
display this help and exit
-V, --version
output version information and exit
If no -e, --expression, -f, or --file option is given, then the first non-option argument is taken as the sed script to interpret. All
remaining arguments are names of input files; if no input files are specified, then the standard input is read.
E-mail bug reports to: bonzini@gnu.org . Be sure to include the word ``sed'' somewhere in the ``Subject:'' field.
COMMAND SYNOPSIS
This is just a brief synopsis of sed commands to serve as a reminder to those who already know sed; other documentation (such as the tex-
info document) must be consulted for fuller descriptions.
Zero-address ``commands''
: label
Label for b and t commands.
#comment
The comment extends until the next newline (or the end of a -e script fragment).
} The closing bracket of a { } block.
Zero- or One- address commands
= Print the current line number.
a
text Append text, which has each embedded newline preceded by a backslash.
i
text Insert text, which has each embedded newline preceded by a backslash.
q Immediately quit the sed script without processing any more input, except that if auto-print is not disabled the current pattern
space will be printed.
Q Immediately quit the sed script without processing any more input.
r filename
Append text read from filename.
R filename
Append a line read from filename.
Commands which accept address ranges
{ Begin a block of commands (end with a }).
b label
Branch to label; if label is omitted, branch to end of script.
t label
If a s/// has done a successful substitution since the last input line was read and since the last t or T command, then branch to
label; if label is omitted, branch to end of script.
T label
If no s/// has done a successful substitution since the last input line was read and since the last t or T command, then branch to
label; if label is omitted, branch to end of script.
c
text Replace the selected lines with text, which has each embedded newline preceded by a backslash.
d Delete pattern space. Start next cycle.
D Delete up to the first embedded newline in the pattern space. Start next cycle, but skip reading from the input if there is still
data in the pattern space.
h H Copy/append pattern space to hold space.
g G Copy/append hold space to pattern space.
x Exchange the contents of the hold and pattern spaces.
l List out the current line in a ``visually unambiguous'' form.
n N Read/append the next line of input into the pattern space.
p Print the current pattern space.
P Print up to the first embedded newline of the current pattern space.
s/regexp/replacement/
Attempt to match regexp against the pattern space. If successful, replace that portion matched with replacement. The replacement
may contain the special character & to refer to that portion of the pattern space which matched, and the special escapes 1 through
9 to refer to the corresponding matching sub-expressions in the regexp.
w filename
Write the current pattern space to filename.
W filename
Write the first line of the current pattern space to filename.
y/source/dest/
Transliterate the characters in the pattern space which appear in source to the corresponding character in dest.
Addresses
Sed commands can be given with no addresses, in which case the command will be executed for all input lines; with one address, in which
case the command will only be executed for input lines which match that address; or with two addresses, in which case the command will be
executed for all input lines which match the inclusive range of lines starting from the first address and continuing to the second address.
Three things to note about address ranges: the syntax is addr1,addr2 (i.e., the addresses are separated by a comma); the line which addr1
matched will always be accepted, even if addr2 selects an earlier line; and if addr2 is a regexp, it will not be tested against the line
that addr1 matched.
After the address (or address-range), and before the command, a ! may be inserted, which specifies that the command shall only be executed
if the address (or address-range) does not match.
The following address types are supported:
number Match only the specified line number.
first~step
Match every step'th line starting with line first. For example, ``sed -n 1~2p'' will print all the odd-numbered lines in the input
stream, and the address 2~5 will match every fifth line, starting with the second. (This is an extension.)
$ Match the last line.
/regexp/
Match lines matching the regular expression regexp.
cregexpc
Match lines matching the regular expression regexp. The c may be any character.
GNU sed also supports some special 2-address forms:
0,addr2
Start out in "matched first address" state, until addr2 is found. This is similar to 1,addr2, except that if addr2 matches the very
first line of input the 0,addr2 form will be at the end of its range, whereas the 1,addr2 form will still be at the beginning of its
range.
addr1,+N
Will match addr1 and the N lines following addr1.
addr1,~N
Will match addr1 and the lines following addr1 until the next line whose input line number is a multiple of N.
REGULAR EXPRESSIONS
POSIX.2 BREs should be supported, but they aren't completely because of performance problems. The
sequence in a regular expression
matches the newline character, and similarly for a, , and other sequences.
BUGS
E-mail bug reports to bonzini@gnu.org. Be sure to include the word ``sed'' somewhere in the ``Subject:'' field. Also, please include the
output of ``sed --version'' in the body of your report if at all possible.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE, to the extent permitted by law.
SEE ALSO
awk(1), ed(1), grep(1), tr(1), perlre(1), sed.info, any of various books on sed, the sed FAQ (http://sed.sf.net/grabbag/tutorials/sed-
faq.html), http://sed.sf.net/grabbag/.
The full documentation for sed is maintained as a Texinfo manual. If the info and sed programs are properly installed at your site, the
command
info sed
should give you access to the complete manual.
sed version 4.0.3 November 2002 SED(1)