0
votes
3answers
52 views

How can I add a script to embedded Linux

I have a script (let's say Hello World), that I want to include to my embedded Linux. I'm using Buildroot and want to start the script in Busybox. But because I'm cross-compiling for the target I'm ...
2
votes
0answers
80 views

Number comparisons in BusyBox ash

I have the following script that extracts data from the EXIF command on my BusyBox ash-based system. I parse the date tag from the end of the file and use case as a final check to ensure the format ...
3
votes
1answer
409 views

Need to improve urlencode function

I need a way to URL encode strings with a shell script on a OpenWRT device running old version of busybox. Right now I ended up with the following code: urlencode() { echo "$@" | awk -v ORS="" '{ ...
1
vote
3answers
348 views

Script matching literal pattern over multiple lines?

I have a multi-line string in the variable $PAT. $PAT must be searched for within the file $FILE. If $PAT is in $FILE, it needs to print the file with $PAT removed. If $PAT is not found, then print ...
2
votes
5answers
6k views

Bash iterate over a list of strings

I have this bash script: for opt in string1 string2 string3 ... string99 do somestuff It works, but I would like to replace the explicit listing of my strings with a file which actually contains ...
3
votes
3answers
325 views

How to remove a trailing CRLF from a file?

I have a binary file with a trailing CRLF (2 bytes total) that I want to remove. How should I do it? Please note that I'm using busybox and I don't have perl.