Sheffield | 25-SDC-Nov | Hassan Osman | Sprint 3 | Implement Shell Tools#248

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HassanOHOsman wants to merge 80 commits intoCodeYourFuture:mainfrom

HassanOHOsman:answers/implement-shell-tools

Commits on Nov 21, 2025

create cat.js file to implement cat logic in it
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import 2 built in NodeJS modules
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checks if our program receieves 1 argument otherwise throw an error message and exit the program (unsuccessful).
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storing the one argument in our program into a a variable called path
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Read file at the path passed as argument in the programme
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rename content var in a more meaningful way
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log out/display a file content without adding a new line
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installed commander library and updated the type property in JSON file
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improting commander library into js file
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setting up basic info about our program and most importantly a flag/option to handle the number of output lines
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update the program info to include argument
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commader to interpret the command line arguments based on -n option
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read all the flags/options provided.
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cleaning code and getting rid of useless bits
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splitting the contnet of a file by newline and storing it in a var named lines
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build logic for number of lines options
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adding a condition as to when the -n option used
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getting rid of numbered trailing empty lines
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define -b option in the porgram info
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update logic for -n & -b options
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update & correct logic for -n & -b options
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join the array elements by new line and output the formed text to end user
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add a scenario as to when the program doesn't contain any -n or -b flags
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reworking on code so that it handles outputting content from multiple files
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work on logic to hadle multiple files
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update the argument in the program info to handle multiple paths
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create ls file to store all the js program logic
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run teminal commands to add package.json since i'll be using import the for commander library
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import built in and third part modules/libraries into the ls.js file
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uodate the type value to "module" so that i could use "import" keyword
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Initialize program with basic info (name, description, argument & options)
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Add argument parsing for file path
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sotre program.opts in meaningful var options
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path expect one argument /file path
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directoryContent stores a value that reads the content (files & folder) inside a working direcotry and return the content in an array
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adding a for loop for when -1 option is added to an ls program
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update the -1 flag description in the program info part
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add spacing for when ls is used without the -1/--one option
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add option f-a for handling all files - including hidden ones - in the program basic info
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logic to filter out hidden files form LS output if -a is not added to it
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update logic for when option -a not selected
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Commits on Nov 24, 2025

Commits on Jan 9, 2026