Sponsored Content
Full Discussion: sed - with escape character
Top Forums Shell Programming and Scripting sed - with escape character Post 302668875 by Scrutinizer on Tuesday 10th of July 2012 05:11:15 AM
Old 07-10-2012
It is because of the back ticks. Try:
Code:
a=$(echo "$str" | sed 's/</\\</g')
echo "$a"

or
Code:
a="${str%%<*}\\<${str#*<}"

or (bash/ksh93)
Code:
a=${str/</\\<}


--
with back ticks:
Code:
a=`echo "$str" | sed 's/</\\\</g'`

This is one of the reasons I avoid back ticks..

Last edited by Scrutinizer; 07-10-2012 at 06:39 AM..
This User Gave Thanks to Scrutinizer For This Post:
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

possible to escape the \ character in sed?

is it possible to escape the \ character in sed? right now I'm trying to replace all occurances of \ with \\ sed \"s|test|test_replacement|g\" file1 > output; #this works fine sed \"s|\\|\\\|g\" file1 > output; #this generates the following error: sed: -e expression #1, char 17:... (1 Reply)
Discussion started by: gammaman
1 Replies

2. Shell Programming and Scripting

Escape character in vi?

I want to replace a string which contains "/" in vi but what is the escape character for forward slash? e.g. I have a text file with the contents below and I want to replace "/Top/Sub/Sub1" with "ABC". /Top/Sub/Sub1 The replace command I am using is ... (4 Replies)
Discussion started by: stevefox
4 Replies

3. Shell Programming and Scripting

Escape character

Hi , I want to change space to ' in my script. I tried doing this, sed 's/ /\'/g' filename but i could not get it. can some one help me please. Thanks, Deepak (4 Replies)
Discussion started by: deepakpv
4 Replies

4. Shell Programming and Scripting

Escape character - sed

Hi All, How do i write in sed for the 6th and 7th field of etc/passwd file as it involves "/" character? Does mine below is correct? It's incomplete script as i need help with syntax as i always getting may errors :( Example of etc/passwd file: blah:x:1055:600:blah... (6 Replies)
Discussion started by: c00kie88
6 Replies

5. Shell Programming and Scripting

Escape character in sed

Hello experts I am trying to write a shell script which will add ' ' to a unix variable and then pass it to oracle for inserting to a table. I am running the script as root and I have to do a su -c . The problem is the character ' is not recognised inside sed even after adding escape... (1 Reply)
Discussion started by: pvedaa
1 Replies

6. Shell Programming and Scripting

perl how to escape (|) character

my @array; my $sepa = "|"; print $sepa; open FH, "<100_20091023_2.txt"; while(<FH>){ push @array, split(/\$sepa/, $_); print "@array\n\n"; } I am not able split the line which have | separated (1 Reply)
Discussion started by: pritish.sas
1 Replies

7. Shell Programming and Scripting

awk escape character

ll|awk '{print "INSERT INTO SCHEMA.TABLE_NAME VALUES (`"$9 "`,"$5");" }' INSERT INTO SCHEMA.TABLE_NAME VALUES (``,); INSERT INTO SCHEMA.TABLE_NAME VALUES (`TABLE_PARTITION_Y2010M03D06.dmp`,7923328); INSERT INTO SCHEMA.TABLE_NAME VALUES (`TABLE_PARTITION_Y2010M03D06.log`,1389); But I want ' in... (2 Replies)
Discussion started by: faruque.ahmed
2 Replies

8. Shell Programming and Scripting

Problem with using a sed to add escape character \ before $ and ' symbols

Hi all, I've got a problem with sed. Want to use it to add escape character \ before $ and ' symbols so condition='1'$some will become condition=\'1\'\$some echo "condition='1'$some" | sed 's/\($\)/\\\1/g' is not working properly. Can somebody help me with this please? Regards,... (7 Replies)
Discussion started by: johny_be_good
7 Replies

9. Shell Programming and Scripting

sed escape character for comment string "/*"

Good afternoon all, I'm hoping my newbie question can help bolster someone's street_cred.sh today. I'm trying to "fingerprint" SQL on its way into the rdbms for a benchmarking process (so I can tie the resource allocation back to the process more precisely). To do this, I'm essentially... (4 Replies)
Discussion started by: toeharp
4 Replies

10. Shell Programming and Scripting

Function to add escape character before specified character

Hi , I am looking for a function which will do the following. 1. I have a variable which will hold few special chracter like SPECIAL_CHARS="& ;"2. I have an escape character. ESCAPE_CHAR="\"3. Now when I passed some string in the function it will return the same string but now it will... (8 Replies)
Discussion started by: Anupam_Halder
8 Replies
MB_DETECT_ENCODING(3)							 1						     MB_DETECT_ENCODING(3)

mb_detect_encoding - Detect character encoding

SYNOPSIS
string mb_detect_encoding (string $str, [mixed $encoding_list = mb_detect_order()], [bool $strict = false]) DESCRIPTION
Detects character encoding in string$str. PARAMETERS
o $str - The string being detected. o $encoding_list -$encoding_list is list of character encoding. Encoding order may be specified by array or comma separated list string. If $encoding_list is omitted, detect_order is used. o $strict -$strict specifies whether to use the strict encoding detection or not. Default is FALSE. RETURN VALUES
The detected character encoding or FALSE if the encoding cannot be detected from the given string. EXAMPLES
Example #1 mb_detect_encoding(3) example <?php /* Detect character encoding with current detect_order */ echo mb_detect_encoding($str); /* "auto" is expanded according to mbstring.language */ echo mb_detect_encoding($str, "auto"); /* Specify encoding_list character encoding by comma separated list */ echo mb_detect_encoding($str, "JIS, eucjp-win, sjis-win"); /* Use array to specify encoding_list */ $ary[] = "ASCII"; $ary[] = "JIS"; $ary[] = "EUC-JP"; echo mb_detect_encoding($str, $ary); ?> SEE ALSO
mb_detect_order(3). PHP Documentation Group MB_DETECT_ENCODING(3)
All times are GMT -4. The time now is 06:13 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy