All Questions
365
questions
1
vote
1
answer
44
views
How to Preend or Append File Name to Reflect Number of Pages in PDF using "qpdf" and "perl"
I am running the script at the bottom as a one-liner but have expanded for ease of reading.
Assume the directory contains the following file: File (11).pdf.
When the script executes, it simply repeats ...
- 1,045
1
vote
1
answer
116
views
Using sed to edit filepath variable
I am trying to use the sed command to edit a value in the .git/config file. When running the remote origin command, the config file creates the line of text like this":
url = https://github.com/...
- 91
1
vote
1
answer
95
views
How to merge all mp3 files located in the same directory?
The command below used to work but stopped around ubuntu/kubuntu 20.04.
ls *.mp3 | sed -e "s/\(.*\)/file '\1'/" | ffmpeg -protocol_whitelist 'file,pipe' -f concat -i - -c copy output.mp3
...
- 11
0
votes
2
answers
105
views
bash + how to insert date before line
lets say I want to pipe the date output in the beggining of some text
for example
echo "this line is test line" | date
and expected output should be
Wed May 22 14:55:10 UTC 2024 this line ...
- 871
0
votes
1
answer
33
views
sed does not consume rest of the line
I have one line of different words stored in a txt file
N/A 9.0 Yes Yes N/A N/A N/A N/A 8.8 Yes Yes N/A N/A N/A N/A 8.7 Yes Yes N/A N/A N/A N/A 9.2 Yes Yes Yes Yes Yes Yes 9.1 Yes Yes Yes Yes Yes Yes ...
- 175
-1
votes
1
answer
81
views
Search and replace doesn't work with sed busybox. getting sed: unmatched '/' error
I am trying to search a particular string and replace all occurrences within a file.
sed -i -e "s/$search_string/$replace_string/g" $filePath
I keep getting sed: unmatched '/'error on ...
- 99
0
votes
2
answers
83
views
Find and replace date with UTC date
I have file that looks like this:
[2024-01-20 15:23:00] hello world
[2024-01-20 15:42:00] bye
[2024-01-20 15:43:00] foo bar
...
Date in this file are in UTC+1 and I want to convert in to UTC
I tried ...
- 3
0
votes
1
answer
47
views
How do I tell sed to stop trying to process commands?
Maybe I'm an idiot (this is the likely scenario, and I'm new to sed/bash scripting), but why does this work:
NewVersion="$(echo $NewVersionFile | sed 's/^.*-\([0-9]*\.[0-9]*\.[0-9]*\).*/\1/')&...
0
votes
1
answer
590
views
Moving files to a directory with spaces in its name
I'm trying to create a directory that has in its name the beginning of the names of the files it contains. I need this in order to archive it later. I have run into problems when moving files if the ...
alex2020
0
votes
2
answers
1k
views
Find and replace string in a file using 'sed' or 'awk'
Let's say I have the following input file:
yhara.runner.mng1.nna1.X9HCJG.1 yhara.runner.mng1.nna1.Z2HCJG.1 100.000 100
yhara.runner.mng1.nna1.X9HCJG.1 yhara.runner.mng1.nna1.AUEM0K.1 94.144 72
...
- 103
0
votes
0
answers
108
views
How do I perform this sed command with bash?
I have a file full of usernames and I want to use sed to change the usernames to PLAYER 1-20 how can I do this with a bash script and sed while incrementing?
I have this so far:
NAME=$(grep -q 'Seat' $...
- 1
-1
votes
1
answer
169
views
write a efficient for loop in bash for multiple files (.PDB files)
I have problem with this script:
#!/bin/bash
for filename in /home/hb/pg/ensemble/pdbs/P24941/raw_pdb/*.pdb; do
grep COMPND $filename | grep "CHAIN:" -B 1 | sed 's/COMPND//g' | sed 's/...
- 9
1
vote
0
answers
357
views
Sed editing of large text file much faster than native bash substring replacement?
I have a ~19MB text file which I would like to perform many find/replace operations on. I originally wrote the script to loop over inplace sed operations e.g.
sed -i "s|$pattern|$replacement|g&...
- 13
0
votes
2
answers
604
views
How to combine tee, sed and grep?
I have a command after which I place | tee >(sed $'s/\033[[][^A-Za-z]*[A-Za-z]//g' >> ~user/filepath/file.txt) The tee is redirected to sed $'s/\033[[][^A-Za-z]*[A-Za-z]//g' which removes the ...
- 11
1
vote
2
answers
609
views
Delete lines between two patterns (with multiple occurrences) around a third pattern (single occurrence)
I'm trying to edit an uncompressed PDF on macOS Monterey, and I want to delete objects that contain a certain pattern in their description. Such objects start with "X 0 obj" (where X is the ...
- 11