10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
After looking at the differents post on this forum, I am convinced that I will benefit from the experience of advanced Unix user on some script I have already done for an aeronautical study. Here is one of them :
Step 1 :
sed -e "s/??/00/g" Base_Awk.txt > Awk_Cut_00.txt4;
sed... (11 Replies)
Discussion started by: Marc_Camoc
11 Replies
2. Shell Programming and Scripting
Hello I am hoping you may help.
I am not sure how to go about this exactly, I know the tools but not sure how to make them work together.
I have two SED commands that I would like to run in a shell script. I would like to take
the manual input of a user (types in when prompted) to be used... (4 Replies)
Discussion started by: lostincashe
4 Replies
3. Shell Programming and Scripting
I am trying to print text between two variables in a file
I have tried the following things but none seem to work:
awk ' /'$a'/ {flag=1;next} /'$b'/{flag=0} flag { print }' file
and also
sed "/$a/,/$b/p" file
But none seem to work
Any Ideas?
Thanks in Advance (5 Replies)
Discussion started by: forumbaba
5 Replies
4. UNIX for Dummies Questions & Answers
ok, this definitely falls in the n00b category... I'm trying to upgrade Java on my server and just need to update the PATH, CLASSPATH, and JAVA_HOME environment variables.
This is what they currently are:... (4 Replies)
Discussion started by: jtennent
4 Replies
5. Shell Programming and Scripting
I have an extremely large csv file that I need to search the second field, and upon matches update the last field...
I can pull the line with awk.. but apparently you cant use awk to directly update the file? So im curious if I can use sed to do this... The good news is the field I want to... (5 Replies)
Discussion started by: trey85stang
5 Replies
6. Shell Programming and Scripting
Can I use my own variables within awk and sed for example:
I've written a while loop with a counter $i and I want to use the value of $i within sed and awk to edit certain lines of text within a data file.
I want to use :
sed '1s/$/texthere/g' data.csv
Like this:
sed '$is/$/$age/g' data.csv... (5 Replies)
Discussion started by: mustaine85
5 Replies
7. Shell Programming and Scripting
Hello,
I read and search through this wonderful forum and tried different approaches but it seems I lack some knowledge and neurones ^^
Here is what I'm trying to achieve :
file1:
test filea 3495;
test fileb 4578;
test filec 7689;
test filey 9978;
test filez 12300;
file2:
test filea... (11 Replies)
Discussion started by: mecano
11 Replies
8. Shell Programming and Scripting
Hello,
I wonder if it is possible to pass and use variables from shell environment into sed or awk. I am trying to achieve something similar to the following using sed or awk:
var=some_regular_expression
grep "$var" filename # Will extract lines from filename
The following code,... (3 Replies)
Discussion started by: nasersh
3 Replies
9. Shell Programming and Scripting
Hi all-
I've been fooling with this for a few days, but I'm rather new at this...
I have a bash variable containing a long string of various characters, for instance:
JUNK=this that the other xyz 1234 56 789
I don't know what "xyz" actually is, but I know that:
START=he other
and ... (2 Replies)
Discussion started by: rev66
2 Replies
10. Shell Programming and Scripting
I have been searching around the forums here trying to find a solution to my problem but not getting anywhere but closer to baldness.
I have a 20 column pipe "|" seperated text file. The 14th variable doesnt always exist, but will have the format of YYYYMM or YYYY if it does.
I need to take... (2 Replies)
Discussion started by: r0sc0
2 Replies