dosbox-staging | DOSBox Staging is a modern continuation | Emulator library
kandi X-RAY | dosbox-staging Summary
kandi X-RAY | dosbox-staging Summary
DOSBox Staging is a fork of the DOSBox project that focuses on ease of use, modern technology and best practices.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of dosbox-staging
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dosbox-staging Examples and Code Snippets
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Trending Discussions on dosbox-staging
QUESTION
I am trying to implement a "ls" as a back to basic training. I know I can use opendir()
and readdir()
to do the basic listing.
For sorting - I have no option, but to add each entry into a an array - and sort. For filtering - or globbing - I assume I can manually do this in my code. But I am looking for "not trashing the disk" - and let the OS filter this for me. Also - filtering "$234*.a*" is not trivial.
Question: How can I list all "*.txt" files in a directory in good old C? (Unix/Posix only, that is OK).
Sources for inspiration: https://github.com/dosbox-staging/dosbox-staging/blob/master/src/shell/shell_cmds.cpp#L656 https://github.com/mirror/busybox/blob/master/coreutils/ls.c#L1206
...ANSWER
Answered 2020-Nov-13 at 13:12For filtering - or globbing - I assume I can manually do this in my code
Do not reinvent the wheel - glob and fnmatch and wordexp are standard.
How can I list all "*.txt"
The expansion of *.txt
globbing is done by your shell as part of filename expansion and are spitted into separate arguments before executing the ls
command. Expanding globbing expressions is not part of ls
. Supporting globbing in ls
would be a non-standard extension.
To list files in a directory, use scandir (with alphasort
). A perfect example of scandir
is in linux man pages scandir:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install dosbox-staging
Checkout the main branch:.
Checkout the main branch: # commit or stash any personal code changes git checkout main -f
Pull the latest updates. This is necessary every time you want a new build: git pull
Setup the build. This is a one-time step either after cloning the repo or cleaning your working directories: meson setup \ -Dbuildtype=release \ -Ddefault_library=static \ -Db_asneeded=true \ -Dtry_static_libs=png \ -Dfluidsynth:enable-floats=true \ -Dfluidsynth:try-static-deps=true \ build The above enables all of DOSBox Staging's functional features. If you're interested in seeing all of Meson's setup options, run: meson configure.
Compile the sources. This is necessary every time you want a new build: meson compile -C build Your binary is: build/dosbox -- have fun!
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