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Tag: SED

RESEARCH

Potential improvements to import and copy in Darktable. – #31 by Terry – darktable

January 28, 2022admin

Keep in mind that traditionally, Linux uses specialised tools for each task. Extreme examples of this are programs like find, sed, awk, grep, which are meant to be used (also)…Read morePotential improvements to import and copy in Darktable. – #31 by Terry – darktable

RESEARCH

regular expression – not understanding regex pattern for matching an integer

January 9, 2022admin

(First, this is not a bash integer regex pattern. sed is handling the regex and has nothing to do with bash) So I understand that you are unable to figure…Read moreregular expression – not understanding regex pattern for matching an integer

LOW VOLTAGE IC RESEARCH

xcode – How to compile FFmpeg for arm64e – clang is unable to create an executable file

December 27, 2021admin

I have met the same issue, and after checked, I found the parameter “–cpu” is incorrect for arm64. The original is “–cpu=arm64-v8a”. The correct one is “–cpu=armv8-a”. The “–cpu” parameter…Read morexcode – How to compile FFmpeg for arm64e – clang is unable to create an executable file

LINUX & ANDROID MQTT & IOT AUTOMATION

Dropbox Api Content Hash and Raspberry PI OS Bash

November 20, 2021admin

Everyone! I’ve been trying to replicate the example on the Dropbox Developer Reference on my raspberry pi, using as guide the wonderful script Dropbox-Uploader by Andrea Fabrizi, but I am…Read moreDropbox Api Content Hash and Raspberry PI OS Bash

DATA MANAGEMENT

regex – hard string to match with regular expressoion

October 21, 2021admin

Can someone please give me an example of a string that would be very hard to match with a regular expression. then try to match it with a RegEx. my…Read moreregex – hard string to match with regular expressoion

DATA MANAGEMENT LINUX & ANDROID

sed – How to extract part of string in Bash using regex

October 8, 2021admin

I have been trying to extract part of string in bash. I’m using it on Mac. Pattern of input string: Some random word follow by a /. This is optional.…Read moresed – How to extract part of string in Bash using regex

DATA MANAGEMENT

How to replace upper case with lower case using regex?

October 2, 2021admin

@Ignacio, I beg to differ. Certainly this is not something which can be done in one statement with plain regular expressions. But the sed command: sed -e ‘s/([a-zA-Z])C/1 c/g’ infile.txt…Read moreHow to replace upper case with lower case using regex?

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