Is there an easier way to do the following:
echo "|||||||" | sed 's/||/|0|/g; s/||/|0|/g'
which would give the following
|0|0|0|0|0|0|
If it is not run twice it will not pick up the second occurance of the || and leave it empty as in
echo "|||||||" | sed 's/||/|0|/g'
which would give... (3 Replies)
Hello
My file looks like that =>
12.56 have then 7888778.2566 what 44454.54545
878787.66565 if else 4445.54545455
I want to change all '.' on ',' .
I'm trying to do it with sed but I don't know chow to build regular expression to
change 454.4466 on 454,4466 ? (13 Replies)
I have a file
CREATE TABLE DDD_EXT --- 1000
(
val u1
val u1
);
CREATE TABLE dsdasd_EXT --- 1323
(
val u1
val u1
);
CREATE TABLE AAAAAA_EXT --- 1222
(
val u1
val u1
);
CREATE TABLE E_EXT --- 11
(
val u1
val u1 (2 Replies)
I have a log output with a format similar to this:
a=1, b= 2
c=0, d= 45, e=100
... and so on.
I figure I can just use awk or something to pipe the file to sed, but I'm trying to replace all the values above with 0.
I've tried:
cat blah | sed 's/=\(.*\),/0/'but that didn't work. ... (6 Replies)
I have the following line an in input file I want to digest with sed and simple replace the bold part with a variable defined in my bash script. I can do this in several sed operations but I know there must be a way to do it in a single sed line. What is the syntax?
Line in file:... (1 Reply)
Cheers!
In /etc/syslog.conf, if an error type is not specified, is it logged anywhere (most preferable is it logged to /var/log/messages) or not?
To be more precise I am interested in error and critical level messages. At default these errors are not specified in syslog.conf, and I need to... (6 Replies)
I don't understand this command behavior.
echo "abc" |sed 's/a/&_&/' (4 Replies)
Discussion started by: Vartika18
4 Replies
LEARN ABOUT PLAN9
tr
TR(1) General Commands Manual TR(1)NAME
tr - translate characters
SYNOPSIS
tr [ -cds ] [ string1 [ string2 ] ]
DESCRIPTION
Tr copies the standard input to the standard output with substitution or deletion of selected characters (runes). Input characters found
in string1 are mapped into the corresponding characters of string2. When string2 is short it is padded to the length of string1 by dupli-
cating its last character. Any combination of the options -cds may be used:
-c Complement string1: replace it with a lexicographically ordered list of all other characters.
-d Delete from input all characters in string1.
-s Squeeze repeated output characters that occur in string2 to single characters.
In either string a noninitial sequence -x, where x is any character (possibly quoted), stands for a range of characters: a possibly empty
sequence of codes running from the successor of the previous code up through the code for x. The character followed by 1, 2 or 3 octal
digits stands for the character whose 16-bit value is given by those digits. The character sequence followed by 1, 2, 3, or 4 hexadecimal
digits stands for the character whose 16-bit value is given by those digits. A followed by any other character stands for that character.
EXAMPLES
Replace all upper-case ASCII letters by lower-case.
tr A-Z a-z <mixed >lower
Create a list of all the words in one per line in where a word is taken to be a maximal string of alphabetics. String2 is given as a
quoted newline.
tr -cs A-Za-z '
' <file1 >file2
SOURCE
/sys/src/cmd/tr.c
SEE ALSO sed(1)TR(1)