All Questions
Tagged with scriptingregular-expression
54 questions
0votes
2answers
44views
Capture and print on the exact match from a file
I am trying to use grep to match only a specific part of a row in a file. The file is a huge csv file with some columns containing json with commas so it is hard to figure out which column what I am ...
- 161
0votes
1answer
85views
How to run a command that requires input/output location on all folders in a directory, while correspondingly naming the new output folders?
For context, I have some experience with Unix and basic commands, but I'm seriously struggling to conceptualize more complex manipulations of files. Essentially, I have this command I want to run from ...
1vote
1answer
3kviews
jq select match pattern but not if preceded by other pattern
An application called "vagrant packer" always downloads the iso and checksum file from the remote location every time I run it, so I'm creating a script that downloads the iso to a local ...
- 1,156
1vote
1answer
112views
How to delete a string in my files?
So I want to match all below then remove those lines of string. [MTT-5634](https://my.atlassian.net/browse/MTT-5634) [MCC-123](https://my.atlassian.net/browse/MCC-123) [MTT-7965]: https://my.atlassian....
1vote
1answer
1kviews
regexp to only extract first set/group of numbers from line of string from a file
How can I use regexp to extract first set/group of numbers from line of string from a file and ignore lines that have two set of numbers, any symbol (except PASS_MAX_DAYS), and have it show on the ...
- 61
-1votes
2answers
123views
line start string and end string matches then it needs to replace end string of a line and ignore any string that matches in between of same line
Require a shell script for the below issue elecj_test: |1009676|F|269.13348200|3|348415|237.06|0.00|0.00|||SSPPPSSSPSSS|UNTESTED|| If a line starts with elecj_test: and ends with || it needs to ...
0votes
1answer
211views
Remove certain words and set word at end of string in files
I have a bunch of files that contain strings similar to: Get<1>(abc) Get<2>(xyz) How can I recursively search for all files with the above pattern and remove everything before the first '(...
- 133
0votes
2answers
207views
move recently created files matching a pattern from one folder to a different one
I am looking for a bash script example which does the following: I have files being written under /tmp folder I do at the xterm prompt, ls -ltr which gives me a list of recent files such as: ...
- 3
0votes
1answer
418views
Passing arguments into a glob pattern within a script
I have a script called get_numbers.sh, which I want to use to extract data from .pdf files labelled sequentially by date, using pdfgrep. Let me simplify my problem to what I believe are its essentials:...
- 153
1vote
2answers
414views
How to introduce support for command line options in a script that is written to use positional arguments?
I have a script that is currently used with positional arguments, like this: ./script.sh fname lname address I want to also support ordinary command line options when I call this script, so that I ...
- 113
0votes
1answer
163views
how to use xargs to extract a list of names from IRC
Using the finch IRC client, I copy/pasted a list of names to names.txt for processing. Basically, the names are seperated by spaces. Many of the names will have special characters like "/" ...
1vote
1answer
105views
Best way to access files inside of directories with common part of dirname
the title is not self-explanatory at all, but I don't know how to formulate it correctly. I will explain with an example. I have a directory structure like this: results/ test_0_part1_x000/ ...
- 111
-1votes
1answer
35views
Finding error in my script
I have a messy script which should get the name of the site (like https://google.com/etc): #!/bin/bash ARTIST=$(echo "$@" | grep -oP 'https:\\/\\/\\K.+?(?=.com)' | sed -e "s/\b\(.\)/\u\...
3votes
1answer
6kviews
Shellscript match regex
I am trying to check if a variable matches a regex in POSIX shell. However, this seems more difficult than I thought. I am trying to check if the variable is a valid size string (e.g. 10M or 6G etc) ...
- 195
1vote
2answers
332views
Finding a string in a txt of house addresses with number ranges by passing in exact number and street names
Context I'm a postal worker (mail sorter) and am trying to write a bash script which allows me to input an exact street address and first couple letters of a street name, and have it return the ...
