06-21-2002
sed substitution
Hi,
I have a set of files containing strings like I.TEST1_TEST2 or B.ESSA_ESSB for example.
Does somebody know how to substitute these strings whith the same name and an extension "_V1" (ie. I.TEST1_TEST2_V1) using sed command or else ?
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I know we can substitute a string using sed but how?
For example: sed 's/(old variable)/(new variable)/ details.dat
Am I suppose to put $old variable or whatever? Because I tried many times, it didnt work by putting $old variable. Am I suppose to enclose it with "" or ''?
Please help (3 Replies)
Discussion started by: Ohji
3 Replies
2. Shell Programming and Scripting
Hi ,
I am stuck up in the below scenario:-
I need to read a file name (eg A.txt) name frm another file (eg B.txt) and then I need to search for a particular expression in A.txt and substitute it with another expression.
How can I use SED inside SHELL Scripting and command prompt as... (2 Replies)
Discussion started by: shubhranshu
2 Replies
3. Shell Programming and Scripting
Hi ,
I am stuck up in the below scenario:-
I need to read a file name (eg A.txt) name frm another file (eg B.txt) and then I need to search for a particular expression in A.txt and substitute it with another expression.
How can I use SED inside SHELL Scripting and command prompt as well to... (1 Reply)
Discussion started by: shubhranshu
1 Replies
4. Shell Programming and Scripting
Hi guys,
Can u please help me to replace (-) with (/) in a file containing no of records using "sed " command in unix.
thanks in advance.
subhendu (5 Replies)
Discussion started by: subhendu81
5 Replies
5. Shell Programming and Scripting
Hi I am trying to do a text insertion in a text file at a particular line number in a shell script. However its not working.
sed '122i\
> for j in \`echo $MyList\` ; do perl -pi -e\'s#01\/01\/2009#01\/01\/2011#\' $j ; done' $HOME/MyScript.ksh
The Actual line to be inserted at line 122... (5 Replies)
Discussion started by: som.nitk
5 Replies
6. UNIX for Dummies Questions & Answers
I'm a noob to unix, and I have a line of data like the following:
title=Boston|tcolor=green|desc=Large city in New England|url=www.boston.com
Is there a way to change a field value with sed substitution?
(i.e. change tcolor=green to tcolor=blue)
I figured out: sed... (19 Replies)
Discussion started by: stabby
19 Replies
7. Shell Programming and Scripting
I have a file with some numbers having single quotes around them which I want to remove.
i.e. '923930' -> 23930
If it can be done without using sed thats fine. I have tried with sed but can't think how to replace this pattern on only the numbers (13 Replies)
Discussion started by: user_invalid
13 Replies
8. Shell Programming and Scripting
Hello,
I have two files. File1 is normal txt file and File2 contains list of line numbers.
e.g. File2:
3
6
9
.....
I need to replace a character in File1 in lines (taken from File2). For that I am using a "for" loop:
for i in $(cat File2)
do
sed "$i s/Y/N/" File1
done
but my... (3 Replies)
Discussion started by: shekhar2010us
3 Replies
9. UNIX for Dummies Questions & Answers
How can you use sed with a line of code that reads:
67899:Bill:Williams:Maple Dr.:45908600
Let us say we want to replace Maple Dr. with Oak St. (1 Reply)
Discussion started by: yonkers062986
1 Replies
10. Shell Programming and Scripting
Hi everyone,
I need very simple sed command to change a parameter in a text file.
I have a line in this text which is like
set xx 0.5
A program reads this file and does some algebraic calculations. So to make a parameter scan I need to change the value of xx. I thought I can do... (7 Replies)
Discussion started by: hayreter
7 Replies
xstr(1) General Commands Manual xstr(1)
NAME
xstr - Extracts strings from C programs to implement shared strings
SYNOPSIS
xstr [-c] [file | -]
The xstr command maintains a file called strings into which strings in component parts of a large program are hashed.
OPTIONS
Extracts strings from the specified file.
DESCRIPTION
The strings extracted by xstr are replaced with references to this array. This serves to implement shared constant strings, most useful if
they are also read-only.
The following command extracts the strings from the C source in file, replacing string references by expressions of the form (&xstr[num-
ber]) for some number. xstr -c file
The xstr command uses file as input; the resulting C text is placed in the file x.c to then be compiled. The strings from this file are
appended to the strings file if they are not there already. Repeated strings and strings that are suffixes of existing strings do not cause
changes to the file.
If a string is a suffix of another string in the file, but the shorter string is seen first by xstr, both strings are placed in the file
strings.
After all components of a large program are compiled, a file xs.c declaring the common xstr space can be created by a command of the fol-
lowing form: xstr
Compile and load this xs.c file with the rest of the program. Some C compilers may, by default, put strings in a read-only text section.
The xstr command can also be used on a single file. The following command creates files x.c and xs.c as before, without using or affecting
a strings file in the same directory. xstr file
It may be useful to run xstr after the C preprocessor if any macro definitions yield strings or if there is conditional code that contains
strings that may not be needed. The xstr command reads from its standard input when the argument - (dash) is given. An appropriate command
sequence for running xstr after the C preprocessor is as follows: cc -E file.c | xstr -c - cc -c x.c mv x.o file.o
The xstr command does not touch the file strings unless new items are added, thus make can avoid remaking xs.o unless truly necessary.
EXAMPLES
To extract the strings from the C source in the file.c parameter, replacing string references by expressions of the form (&xstr[number]),
enter: xstr -c file
An appropriate declaration of the xstr array is prepended to file. The resulting C text is placed in the file x.c, to then be com-
piled. To declare the common xstr array space in the xs.c file, enter: xstr
FILES
File that contains the extracted strings. Modified C source. C source for definition of array xstr. Temporary file when the xstr command
does not touch strings.
SEE ALSO
Commands: mkstr(1)
xstr(1)