London | 26-SDC-Mar | Mariia Serhiienko | Sprint 1 | Individual shell tools#421
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Konvaly wants to merge 6 commits intoCodeYourFuture:mainfrom
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London | 26-SDC-Mar | Mariia Serhiienko | Sprint 1 | Individual shell tools#421Konvaly wants to merge 6 commits intoCodeYourFuture:mainfrom
Konvaly wants to merge 6 commits intoCodeYourFuture:mainfrom
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Could you address my notes please?
| # NOTE: This is a stretch exercise - it is optional. | ||
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| # TODO: Write a command to output the contents of all of the files in the helper-files directory to the terminal. | ||
| cat -n helper-files/* |
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Will this approach avoid resetting of line numbers at the start of each file?
| set -euo pipefail | ||
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| # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case). | ||
| grep -iw 'doctor' dialogue.txt |
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Will this pattern accept lines like "Doctor:"?
| set -euo pipefail | ||
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| # TODO: Write a command to output the number of lines in dialogue.txt that contain the word Doctor (regardless of case). | ||
| grep -iw 'doctor' dialogue.txt | wc -l |
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Will this pattern accept lines like "Doctor:"?
| set -euo pipefail | ||
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| # TODO: Write a command to output, for each `.txt` file in this directory, how many lines of dialogue the Doctor has. | ||
| grep -c '^Doctor:' dialogue.txt dialogue-2.txt dialogue-3.txt |
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Do we need to hardcode all the file names if the task asks to output for each file in the directory?
| echo "First exercise (sorted newest to oldest):" | ||
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| # TODO: Write a command which lists the files in the child-directory directory, one per line, sorted so that the most recently modified file is first. | ||
| ls -lt child-directory |
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will this approach give us filenames only?
| # TODO: Write a command to output just the names of each player along with the score from their first attempt. | ||
| # Your output should contain 6 lines, each with one word and one number on it. | ||
| # The first line should be "Ahmed 1". | ||
| awk '{ print $1, $3 }' scores-table.txt No newline at end of file |
| # TODO: Write a command to output just the names of each player in London along with the score from their last attempt. | ||
| # Your output should contain 3 lines, each with one word and one number on it. | ||
| # The first line should be "Ahmed 4". | ||
| awk '$2 == "London" { print $1, $NF }' scores-table.txt No newline at end of file |
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| # TODO: Write a command to output the total of adding together all players' first scores. | ||
| # Your output should be exactly the number 54. | ||
| awk '{ sum += $3 } END { print sum }' scores-table.txt No newline at end of file |
| # TODO: Write a command to output just the names of each player along with the total of adding all of that player's scores. | ||
| # Your output should contain 6 lines, each with one word and one number on it. | ||
| # The first line should be "Ahmed 15". The second line should be "Basia 37" | ||
| awk '{ sum=0; for (i=3; i<=NF; i++) sum += $i; print $1, sum }' scores-table.txt No newline at end of file |
| # TODO: Write a command to output just the names of each player in London along with the score from their last attempt. | ||
| # Your output should contain 3 lines, each with one word and one number on it. | ||
| # The first line should be "Ahmed 4". | ||
| awk '$2 == "London" { print $1, $NF }' scores-table.txt No newline at end of file |
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Solved task Individual shell tools