Hi all,
In unix shell, I want to get two strings ending with "." and starting with "." from a string "chan.txt"
For example, a string "chan.txt".
The first string is "chan"
The second string is "txt"
Yours
Wilson (1 Reply)
Sed: Delete lines in files that contain other than 'a-z' ,'0-9', '.' and '-'
Hello,
I'm looking for a shell command or maybe a small php loop to delete lines in files.txt (in the same directory) that contain character other then 'a-z' ,'0-9', '.' and '-'
All line that have characters like... (4 Replies)
I wrote a script to delete files which are older than "x" days, if the size of the directory is greater than "y"
#!/bin/bash
du -hs $1
while read SIZE ENTRY
do
if ;
then
find $1 -mtime +$2 -exec rm -f {} \;
echo "Files older than $2 days deleted"
else
echo "free Space available"... (4 Replies)
logs:
"/home/abc/public_html/index.php"
"/home/abc/public_html/index.php"
"/home/xyz/public_html/index.php"
"/home/xyz/public_html/index.php"
"/home/xyz/public_html/index.php"
how to use "cut" or "awk" or "sed" to get the following result:
abc
abc
xyz
xyz
xyz (8 Replies)
Hi,
I have a file which has lines like these :
I want to trim everything from the left till ">" such that the file looks like :
If you have any ideas how to do this in 1-2 commands please help.
Thanks. (3 Replies)
I am trying to find out which files in a group of files have lines ending in r. What I have is this:
cat /tmp/*RECORDS| if grep r$>/dev/null; then echo "yes";else echo"no";fi
Records is more than one file. There are the following files
TEST-RECORDS
/volume/testing
/volume/programs
... (2 Replies)
I have a bunch of random character lines like ABCEDFG. I want to find all lines with "A" and then change any "E" to "X" in the same line. ALL lines with "A" will have an "X" somewhere in it. I have tried sed awk and vi editor. I get close, not quite there. I know someone has already solved this... (10 Replies)
Dear Ladies & Gents,
I have a requirement to delete all the log files in /var/log/test directory that are older than 10 days and their first line begin with "MSH" or "<?xml" or "FHS". I've put together the following BASH script, but it's erroring out:
for filename in $(find /var/log/test... (2 Replies)
So I'm on an AIX machine.
And sed is not applying /d "delete line" option when I also include match word options \< and \>
examples...
echo cat | sed '/\<cat\>/d'will return cat for some reason
echo cat | sed "/\<cat\>/d"will also still return cat.
Of course i can just run
echo cat... (9 Replies)
Discussion started by: escooter87
9 Replies
LEARN ABOUT REDHAT
tr
TR(1) FSF TR(1)NAME
tr - translate or delete characters
SYNOPSIS
tr [OPTION]... SET1 [SET2]
DESCRIPTION
Translate, squeeze, and/or delete characters from standard input, writing to standard output.
-c, --complement
first complement SET1
-d, --delete
delete characters in SET1, do not translate
-s, --squeeze-repeats
replace each input sequence of a repeated character that is listed in SET1 with a single occurrence of that character
-t, --truncate-set1
first truncate SET1 to length of SET2
--help display this help and exit
--version
output version information and exit
SETs are specified as strings of characters. Most represent themselves. Interpreted sequences are:
NNN character with octal value NNN (1 to 3 octal digits)
\ backslash
a audible BEL
backspace
f form feed
new line
return
horizontal tab
v vertical tab
CHAR1-CHAR2
all characters from CHAR1 to CHAR2 in ascending order
[CHAR*]
in SET2, copies of CHAR until length of SET1
[CHAR*REPEAT]
REPEAT copies of CHAR, REPEAT octal if starting with 0
[:alnum:]
all letters and digits
[:alpha:]
all letters
[:blank:]
all horizontal whitespace
[:cntrl:]
all control characters
[:digit:]
all digits
[:graph:]
all printable characters, not including space
[:lower:]
all lower case letters
[:print:]
all printable characters, including space
[:punct:]
all punctuation characters
[:space:]
all horizontal or vertical whitespace
[:upper:]
all upper case letters
[:xdigit:]
all hexadecimal digits
[=CHAR=]
all characters which are equivalent to CHAR
Translation occurs if -d is not given and both SET1 and SET2 appear. -t may be used only when translating. SET2 is extended to length of
SET1 by repeating its last character as necessary. Excess characters of SET2 are ignored. Only [:lower:] and [:upper:] are guaranteed to
expand in ascending order; used in SET2 while translating, they may only be used in pairs to specify case conversion. -s uses SET1 if not
translating nor deleting; else squeezing uses SET2 and occurs after translation or deletion.
AUTHOR
Written by Jim Meyering.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
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.
SEE ALSO
The full documentation for tr is maintained as a Texinfo manual. If the info and tr programs are properly installed at your site, the com-
mand
info tr
should give you access to the complete manual.
tr (coreutils) 4.5.3 February 2003 TR(1)