10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi
I want to replace time stamp in the following line
PROCNAME.Merge.exchMon.CODE.T_QSTART 08:45 read
assuming the new time stamp is 09:45 ; the line is getting replaced as below
:45 read
I'm trying to use the perl one liner in bash script
perl -pi... (4 Replies)
Discussion started by: charlie87
4 Replies
2. Programming
I have some time series data that I need to resample or downsample at some specific time intervals. The firs column is time in decimal hours. I am tryiong to resample this data every 3 minutse. So I need a data value ever 0.05. Here is the example data and as you can see, there time slot for 0.1500... (3 Replies)
Discussion started by: malandisa
3 Replies
3. Shell Programming and Scripting
Hello experts,
I'm stuck with this script for three days now. Here's what i need.
I need to split a large delimited (,) file into 2 files based on the value present in the last field.
Samp: Something.csv
bca,adc,asdf,123,12C
bca,adc,asdf,123,13C
def,adc,asdf,123,12A
I need this split... (6 Replies)
Discussion started by: shell_boy23
6 Replies
4. Shell Programming and Scripting
Thanks for giving your time and effort to answer questions and helping newbies like me understand awk.
I have a huge file, millions of lines, so perl takes quite a bit of time, I'd like to convert these perl one liners to awk.
Basically I'd like all lines with ISA sandwiched between... (9 Replies)
Discussion started by: verge
9 Replies
5. Shell Programming and Scripting
Hello
I have a bash script where I need to do a substring replacement like this:
variable2=${variable1/foo/bar}
However, I only want "foo" replaced if it is at the end of the line.
However, this does not work:
variable2=${variable1/foo$/bar}
as you can see I'm using the $ regex for... (2 Replies)
Discussion started by: Ubuntu-UK
2 Replies
6. UNIX for Dummies Questions & Answers
I need a one liner to"
find /pattern/
print from x lines before "pattern" to y lines after "pattern" (3 Replies)
Discussion started by: kenneth.mcbride
3 Replies
7. Shell Programming and Scripting
There's a replacement in bash for getchar or get functions of C and C++?Those functions read the next char avaliable in the input stream.
I've tried something like:
OLD_STTY=`stty -g`
stty cbreak -echo
look=`dd if=/dev/tty bs=1 count=1 2>/dev/null`
stty $OLD_STTY
But it is not working... (3 Replies)
Discussion started by: Asafe
3 Replies
8. Shell Programming and Scripting
Hello all, I have a Bash command I'm using on one system that replaces text in filenames, I'ts not working on another system that uses the Csh shell. Can anyone tell me what I need to do
when i run
for f in *;do mv $f ${f/text1/text2};done
on the CSH shell i get ""Missing }."" (7 Replies)
Discussion started by: mike171562
7 Replies
9. UNIX for Dummies Questions & Answers
Hi group,
I want to replace the occurance of a particular text in a paragraph.I tried with Sed,but Sed only displays the result on the screen.How can i update the changes in the original file???
The solution should be a one liner using awk and sed.
Thanks in advance. (5 Replies)
Discussion started by: bishnu.bhatta
5 Replies
10. Shell Programming and Scripting
Hi all this is simple but bad day for me nothing work out ..
Problem is that I wan to check the argument passed to my script and accordignly exit or setup ENV variable
I have a script name src_cpcp_preproc.sh
i want to pass 2 argumet from command line argumet and check it in the script... (13 Replies)
Discussion started by: jambesh
13 Replies