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Have bash script answer interactive prompts [duplicate]
Is it possible to have a bash script automatically handle prompts that would normally be presented to the user with default actions? Currently I am using a bash script to call an in-house tool that will display prompts to the user (prompting for Y/N) to complete actions, however the script I'm writ...
Find duplicate lines in a file and count how many time each line was duplicated?
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An additional step is to pipe the output of that into a final 'sort -n' command. That will sort the results by which lines occur most often.
– samoz
Jun 11 '14 at 18:24
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Resize image in the wiki of GitHub using Markdown
...wiki). Additionally, I had to add one or two images inside of a table. The pipe character was giving me grief because of typical table formatting in markdown. Escaping the pipe inside a table cell is still valid: [[ http://url.to/img.png \| height=48px]].
– DanMad
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Backup/Restore a dockerized PostgreSQL database
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To save some space on disk you might want to pipe the dump to gzip: docker exec -t your-db-container pg_dumpall -c -U postgres | gzip > /var/data/postgres/backups/dump_date +%d-%m-%Y"_"%H_%M_%S.gz
– Tarion
Oct 24 '16 at 16:08
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orderBy multiple fields in Angular
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Created Pipe for sorting. Accepts both string and array of strings, sorting by multiple values. Works for Angular (not AngularJS). Supports both sort for string and numbers.
@Pipe({name: 'orderBy'})
export class OrderBy implements P...
Is there a WebSocket client implemented for Python? [closed]
...nt how to handle the case when the server disconnects, as in i get broken pipe errors - writing to a closed pipe/socket/fd (probably the client disconnected) !!!
– Kanwal Prakash Singh
Apr 20 '16 at 8:54
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Bash history without line numbers
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Can we pipe in the output from the history command instead of reading the file?
– cwd
Aug 18 '11 at 15:45
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How can I select random files from a directory in bash?
...random sample of N files through using either a bash script or a list of piped commands?
12 Answers
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Removing colors from output
...|K] should probably be (m|K) or [mK], because you're not trying to match a pipe character. But that's not important right now.)
If you switch that final match in your command to [mGK] or (m|G|K), you should be able to catch that extra control sequence.
./somescript | sed -r "s/\x1B\[([0-9]{1,3}(;[...
Split output of command by columns using Bash?
...; done
will then output the 3rd column. As indicated in my comment...
A piped read will be executed in an environment that does not pass variables to the calling script.
out=$(ps whatever | { read a b c d; echo $c; })
arr=($(ps whatever | { read a b c d; echo $c $b; }))
echo ${arr[1]} # wil...