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    How can I use AWK to compute the median of a column of numerical data? I can think of a simple algorithm but I can't ... NR/2)+1 and (NR/2)-1. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm writing a script to download a bunch of files, and I want it to inform when a particular file ... unary operator expected What's wrong? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Ok I know that this is trivial question but: How can i remove lines from files that are between two known ... sed?? With many clear examples? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    While replacing external commands in a shell script, I used an array to get rid of awk's NF. Now, since I moved ... 's not what I look for.) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Receiving this error when attempting to install NPM. Any help on this error is greatly appreciated. $ curl http:// ... failed" >&2 fi exit $ret See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Same question as this, however the solution there didn't work. I set these variables in my ~/.vimrc: set ... on both OS X and Ubuntu. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a function err() in file abc. The files do not have a .sh extension, but they start with #!/bin/ ... Is this the right way of importing? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm using awk to deal with a simple .dat file, which contains several lines of data and each line has 4 ... where I was wrong? Thank you! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm writing a shell script to streamline my development workflow. It takes an argument as to which theme folder ... ==: unary operator expected See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to write a bash function that uses nocasematch without changing the callers setting of the option. The ... and reset it before exit. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I always wonder what is the good way to replace the following shell tasks using the "ansible way" (with get_url, etc ... .com/setup_5.x | bash - See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have data file with many thousands columns and rows. I want to delete the first column which is in fact ... column. Could anybody guide me? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am a beginner to linux. Would you please help me how to convert an html page to a text file. the text ... results for "computers". Thank you See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to get "abc.txt" out of /this/is/could/be/any/path/abc.txt using Unix command. Note that /this ... be/any/path is dynamic. Any idea? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    A step in my pipeline uploads a .tar to an artifactory server. I am getting a Bad substitution error when ... issues in any other places. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is it possible to call a script from the command prompt in windows (or bash in linux) to open Maya and then ... and go. Thanks for the help! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to write a simple script to replace a block of text in a configuration file with the contents of another ... this simply with awk or sed. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    everyone! Django 1.11 + PostgreSQL 9.6 + Gunicorn + Ubuntu 16.04 in AWS I want to set environment variables for ... I say, django can't read. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How can I add spaces between every character or symbol within a UTF-8 document? E.g. 123hello! becomes 1 2 3 ... a single place is no problem). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a problem implementing a for loop. I get this error when I execute my script test1.sh: 2: Syntax ... to dash shell) shell in ubuntu? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm running a react app in a docker container, on a Coreos server. Let's say it's been pulled from ... the server of an updated image). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When I try: $ stty raw -echo on my Terminal (Bash on OS X 10.6). It does stringe things and it's ... Is there any resource I could learn this? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Consider a ASCII text file (lets say it contains code of a non-shell scripting language): Text_File.msh: spool ... compiled by the UNIX shell. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I can't seem to use a variable in a sed command, for example: sed "24s/.*/"$ct_tname"/" file1.sas ... first ct_fname to be passed successfully? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a small shell script (bash) which runs a R script which produces a plot as output. Everything works ... Thanks in advance for any help! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to copy the content of a folder which contains binary files to one binary file in another directory. ... really works for binary files). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to have a local copy of a gallery on a website. The gallery shows the pictures at domain.com/id/1 ... have a better one please share. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've made a simple bash script that need to keep it's super-user privileges throughout the script. ... stay throughout the script? Thanks See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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