London | 25-SDC-Nov | Zohreh Kazemianpour | Sprint 3 | Implement Shell Tools-NodeJS#239
London | 25-SDC-Nov | Zohreh Kazemianpour | Sprint 3 | Implement Shell Tools-NodeJS#239zohrehKazemianpour wants to merge 15 commits intoCodeYourFuture:mainfrom
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Good work on these tasks, sorry for the delay in getting a review.
Good use of comments to explain throughout.
There are some places you could improve implementations further
implement-shell-tools/cat/cat.js
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| // Process each file | ||
| for (const path of program.args) { | ||
| const hasNumberFlag = program.opts().number; // True if user used -n flag | ||
| const hasBFlag = program.opts().numberNonBlank; |
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Do you think the name "hasBFlag" explains well what the variable is doing?
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Thanks for catching this. No, it's not descriptive at all. I needed to read the program carefully to fully understand what it was doing. I've changed it to shouldNumberNonBlank.
implement-shell-tools/cat/cat.js
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| return line; | ||
| } else { | ||
| lineNumber = lineNumber + 1; | ||
| return ` ${lineNumber} ${line}`; |
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There is some duplication here, can you see any way to make this code a bit more concise?
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That is right, the return statement is used twice. I used the ternary operator to remove the redundant ones.
| program | ||
| .name("ls") | ||
| .description("list directory contents") | ||
| .option("-1, --one", "Force output to be one entry per line") |
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You include the 1 option here, do you ever use it?
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Thanks for pointing that out. I realized the flag wasn't doing anything because my output was always vertical. I’ve refactored it to be horizontal by default, so the -1 flag now correctly 'forces' the single-column output.
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Hi @LonMcGregor ,
I hope you had a lovely holiday.
Thanks for your patience with this! It took me a bit longer to get back to these changes as I had to step away for a week to complete my English and Life in the UK tests, which was immediately followed by the Christmas break.
I've now addressed all the feedback.
Happy New Year to you, and I look forward to your thoughts on the updates!
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Good work on these updates, this task looks complete now! |
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Thanks for the complete label! |
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This PR contains implementing shell tools (cat, ls, wc) in JavaScript with NodeJS using the commander library.