1. Shell Programming and Scripting

I have been trying to remove some improperly formatted lines of output from fortran code I have been using. The problem is that I have some singularities in the math for some points that causes an incorrectly large value to be reported that exceeds the normal formating set in the code resulting in... (2 Replies)

2. Shell Programming and Scripting

Hi dears, The script should watch for a file in particular directory. If the file not come into the directory even after 30 seconds from execution of the script, then script should exit saying “file not arrived” Any help ?? (4 Replies)

3. Shell Programming and Scripting

I need a perl substitution to remove only the comment in the line . That line may have '#' with in double quotes .I used the following , s/(^.*\".+?#.+?\".+?)(#.*)/$1/g It works for , print " not a comment # not a comment " . "not a comment # not a comment" ; # It is a comment ... (3 Replies)

4. UNIX for Advanced & Expert Users

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)

5. Shell Programming and Scripting

I had a string in perl script as below. Tue Augáá7 03:54:12 2012 Now I need to replace the special character with space. After removing the special chaacters Tue Aug 7 03:54:12 2012 Could anyone please help me here for writing the regular expression? Thanks in advance.. Regards, GS (1 Reply)

6. Shell Programming and Scripting

sed -e '1d' -e 's/^\(]\{2\}\)-\(]\{3\}\)-\(]\{4\}\).*/"0000020\1\200\3"\,/g' abc.txt This script returns many duplicates due to the duplciates in the .txt file. i.e. ... "000002012149000060", "000002012149000064", "000002012149000064", "000002012149000064", "000002012149000064",... (9 Replies)

7. Shell Programming and Scripting

Hello All, I have something like below LDC100/rel/prod/libinactrl.a LAA2000/rel/prod/libinactrl.a I want to remove till first forward slash that is outputshould be as below rel/prod/libinactrl.a rel/prod/libinactrl.a How can I do that ??? (8 Replies)

8. Shell Programming and Scripting

Hello! I know that this expression gets rid of non-alphanumeric characters: sed 's///g' and I understand that it is replacing them with nothing - hence the '//'-, but I don't understand how it's doing it. It seems it's finding strings that begin with alphanumeric and replacing them with... (2 Replies)

9. Shell Programming and Scripting

I am learning SED and just following the shell scripting book, i have trouble understanding the grep and sed statement, Question : 1 __________ /opt/oracle/work/antony>cat teledir.txt jai sharma 25853670 chanchal singhvi 9831545629 anil aggarwal 9830263298 shyam saksena 23217847 lalit... (7 Replies)