Regular Expression + Aritmetical Expression


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Regular Expression + Aritmetical Expression
# 1  
Old 12-14-2001
Lightbulb Regular Expression + Aritmetical Expression

Is it possible to combine a regular expression with a aritmetical expression? For example, taking a 8-numbers caracter sequece and casting each output of a grep, comparing to a constant.

THX!
Z0mby
# 2  
Old 12-15-2001
Sure, no problem. But I was not able to understand the problem well enough to cite an example. Can you be a little more specific?
Jimbo
# 3  
Old 05-21-2002
yeah if u could be more specific by giving out an example of wht u want to do... i'm sure tht would be good enough to help u out and frankly spking i don't see any problem in wht u want to do... i'm sure it shd be possible
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

sed: -e expression #1, char 0: no previous regular expression

Hello All, I'm trying to extract the lines between two consecutive elements of an array from a file. My array looks like: problem_arr=(PRS111 PRS213 PRS234) j=0 while } ] do k=`expr $j + 1` sed -n "/${problem_arr}/,/${problem_arr}/p" problemid.txt ---some operation goes... (11 Replies)
Discussion started by: InduInduIndu
11 Replies

2. Programming

Perl: How to read from a file, do regular expression and then replace the found regular expression

Hi all, How am I read a file, find the match regular expression and overwrite to the same files. open DESTINATION_FILE, "<tmptravl.dat" or die "tmptravl.dat"; open NEW_DESTINATION_FILE, ">new_tmptravl.dat" or die "new_tmptravl.dat"; while (<DESTINATION_FILE>) { # print... (1 Reply)
Discussion started by: jessy83
1 Replies

3. Shell Programming and Scripting

help in regular expression

<ATTR name="ABCDEFGH" value=""/> <ATTR name="HJYR" value=""/> what would be the regular expression to match both the above strings... Always end with value=""/> always start with <ATTR name=" the ATTR name can be anything.. I need to use this with match() in awk. Thanks.. (1 Reply)
Discussion started by: shekhar2010us
1 Replies

4. Shell Programming and Scripting

Integer expression expected: with regular expression

CA_RELEASE has a value of 6. I need to check if that this is a numeric value. if not error. source $CA_VERSION_DATA if * ] then echo "CA_RELESE $CA_RELEASE is invalid" exit -1 fi + source /etc/ncgl/ca_version_data ++ CA_PRODUCT_ID=samxts ++ CA_RELEASE=6 ++ CA_WEEK_NO=7 ++... (3 Replies)
Discussion started by: ketkee1985
3 Replies

5. Shell Programming and Scripting

Regular expression Help

Hi What is the meaning of this in regular expression $k =~ s/^\s*//; Plz explain (3 Replies)
Discussion started by: Harikrishna
3 Replies

6. Shell Programming and Scripting

regular expression (.*?)

hi all, i have a text file with below content ............................... ............................... ............................... ............................... %%Page: (4) 4 %%PageBoundingBox: 34 -30 584 831 %%BeginPageSetup %%BeginFeature: *PageSize A4 595 842... (7 Replies)
Discussion started by: uttamhoode
7 Replies

7. Shell Programming and Scripting

Regular expression

Hi I have to extract the first field and the last %field of the following out put.. /home (/abc/def/bhd ) : 522328 total allocated Kb 319448 free allocated Kb ... (2 Replies)
Discussion started by: Harikrishna
2 Replies

8. UNIX for Dummies Questions & Answers

Regular expression help

HI All, I want to list a file with the below format : testfile_nnnnn.xxxx where n and x can be any digit 0-9. n repeats 5 times and x 4 times... I tried with something like below: ls -l testfile_/\{5\}/* to start with but its not working. Please could anyone help? Thanks D (1 Reply)
Discussion started by: deepakgang
1 Replies

9. Linux

Regular expression to extract "y" from "abc/x.y.z" .... i need regular expression

Regular expression to extract "y" from "abc/x.y.z" (2 Replies)
Discussion started by: rag84dec
2 Replies

10. Shell Programming and Scripting

regular expression

Hello All! I have a file thats something like this: ( a grep output) /path/of/file/filename.abc.xyz.pqr:! Commented text /path/of/file/filename.abc.xyz: ! More Commented text I need to grep out those line from this file whose filename has ".abc" in the filename (anywhere in filename)... (3 Replies)
Discussion started by: ag79
3 Replies
Login or Register to Ask a Question