07-02-2001
replace a value with another in shell script
hai everybody,
i am new to scripting,i have to replace a value with another value ina script...both the values i have got in two seperate variables...can anyone give me the syntax how to do this in a shell script...
ie.
e1=$5,e2=$6
v2=$1,v3=$7
now i want to replace e1 with v2..and e2 with v3....both e1 and e2 are on the same line in a file...can i do this with a single command...if so..pls give me the syntax..
itz urgent please....
my q is suppose e1=5000,and v2=100,i want to replace 5000 with 100,how to do it in kornshell..
Last edited by Babu; 07-02-2001 at 05:23 PM..
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
I have a property file in which the DB name is specified and when i run my servers they will point to the DB specified in that property file. Now i'm gonna write a script which will start all the services. But before that i just want to dynamically change the DB name in that property file by... (3 Replies)
Discussion started by: cs_sakthi
3 Replies
2. Shell Programming and Scripting
1.
how can i replace ' / ' with new line in shell script or sed ?
2.
how can set a conditon untill null in while loop
while ( i== null )
do
......
done (3 Replies)
Discussion started by: mail2sant
3 Replies
3. Shell Programming and Scripting
Hello All,
I have 2 files
1 ) source file eg
asasa 1.2.3.4 adfhsdfsdfasdf
zxzxzx 2.3.4.56 dsadasdasdsadasd
kjjkjkjk 30.3.4.5 asdsadsadsadsadsad
vxcvxcvx 1.2.3.4 qwewqewqeqweqwe
2) patern file
1.2.3.4 A
2.3.4.56 B
30.3.4.5 C
I need the source to be changed to
asasa A... (2 Replies)
Discussion started by: nitinkgoud
2 Replies
4. Shell Programming and Scripting
I need a little help with a shell script. I want to be able to specify parameters so that the script searches multiple files (specified as parameters) and only modifies the file if it finds the string of text. For the files it doesn't find the string of text within, it should leave it alone.
... (4 Replies)
Discussion started by: joebaber
4 Replies
5. UNIX for Dummies Questions & Answers
I have value like ABCDEF,BBCCDD in a shell variable, now i would like to have ABQWEF,BBQWDD in the same shell variable. How can i replace the char at position 3&4 with QW in shell script? (3 Replies)
Discussion started by: vel4ever
3 Replies
6. UNIX for Dummies Questions & Answers
Hi,
I have an input file with below data and rules file to apply search and replace by each field in the input based on exact value or pattern.
Could you please help me with unix script to read input file and rules file and then create the output and reject files based on the rules file.
Input... (13 Replies)
Discussion started by: chandrath
13 Replies
7. Shell Programming and Scripting
Friends,
I have more than 1000 lines in text file which needs to be converted as UPPERCASE by adding _
com.sun.url=www.sun.com
com.ssl.port=808
com.ui.path=/apps/ssi
Expected output
com.sun.url=_COM.SUN.URL_
com.ssl.port=_COM.SSL.PORT_
com.ui.path=_COM.UI.PATH_
Thanks in... (4 Replies)
Discussion started by: baluchen
4 Replies
8. Shell Programming and Scripting
Hi
I would like to write a shell script which replace particular text in output of a shell command. For example : If I execute pwd (if dir is /users/master/) it should display as - /users/Master_directory/.
Also, for generalising the script I would like to receive parameters when I run the... (3 Replies)
Discussion started by: ratneshnagori
3 Replies
9. Shell Programming and Scripting
Hi
I want to find a line in a file which contains a word and replace the patterns.
Sample file content temp.xml
====================
<applications>
<application>
Name="FirstService"
location="http://my.website.selected/myfirstService/V1.0/myfirst.war"
... (1 Reply)
Discussion started by: sakthi.99it
1 Replies
10. Shell Programming and Scripting
Hi,
I have a video script. it has embedded Youtube videos. I want replace them downloaded version mp4 videos.
this script has a mysql table. I want search "url_flv" field on table a youtube link if has a youtube link I want download it this command.
I want extract uniq_id field for file... (2 Replies)
Discussion started by: tara123
2 Replies
exit(1) User Commands exit(1)
NAME
exit, return, goto - shell built-in functions to enable the execution of the shell to advance beyond its sequence of steps
SYNOPSIS
sh
exit [n]
return [n]
csh
exit [ ( expr )]
goto label
ksh
*exit [n]
*return [n]
DESCRIPTION
sh
exit will cause the calling shell or shell script to exit with the exit status specified by n. If n is omitted the exit status is that of
the last command executed (an EOF will also cause the shell to exit.)
return causes a function to exit with the return value specified by n. If n is omitted, the return status is that of the last command exe-
cuted.
csh
exit will cause the calling shell or shell script to exit, either with the value of the status variable or with the value specified by the
expression expr.
The goto built-in uses a specified label as a search string amongst commands. The shell rewinds its input as much as possible and searches
for a line of the form label: possibly preceded by space or tab characters. Execution continues after the indicated line. It is an error to
jump to a label that occurs between a while or for built-in command and its corresponding end.
ksh
exit will cause the calling shell or shell script to exit with the exit status specified by n. The value will be the least significant 8
bits of the specified status. If n is omitted then the exit status is that of the last command executed. When exit occurs when executing
a trap, the last command refers to the command that executed before the trap was invoked. An end-of-file will also cause the shell to exit
except for a shell which has the ignoreeof option (See set below) turned on.
return causes a shell function or '.' script to return to the invoking script with the return status specified by n. The value will be the
least significant 8 bits of the specified status. If n is omitted then the return status is that of the last command executed. If return
is invoked while not in a function or a '.' script, then it is the same as an exit.
On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:
1. Variable assignment lists preceding the command remain in effect when the command completes.
2. I/O redirections are processed after variable assignments.
3. Errors cause a script that contains them to abort.
4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not
performed.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
break(1), csh(1), ksh(1), sh(1), attributes(5)
SunOS 5.10 15 Apr 1994 exit(1)