bashANYxargsarguments
bash
printf '%s
' file1 file2 file3 | xargs rm`xargs` is often used when one command produces a list of items and another command needs them as arguments.
Linux Pipelines, xargs, split, diff, and Practical Recipes Cheat Sheet
Build practical shell pipelines, batch commands with xargs, compare files, and split or reshape data.
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xargs
Turn input lines into command arguments safely and efficiently.
bashANYxargsnull-delimitedsafety
bash
find . -type f -print0 | xargs -0 rmPrefer `-print0` plus `xargs -0` for safe file-name handling.
bashANYxargsbatching
bash
printf '%s
' a b c | xargs -n 1 echo item:`-n 1` is useful for debugging and command isolation.
bashANYxargsplaceholder
bash
printf '%s
' app1 app2 | xargs -I{} kubectl logs {}`-I{}` substitutes each input item wherever the placeholder appears.
bashANYxargsparallel
bash
printf '%s
' url1 url2 url3 | xargs -n 1 -P 4 curl -I`-P` can speed up independent network or file operations.
split and csplit
Break large files into smaller pieces.
bashANYsplitlines
bash
split -l 1000 bigfile.txt chunk_Useful for processing or shipping large text files in smaller pieces.
bashANYsplitsize
bash
split -b 50M archive.log log_Size-based splitting is common when moving large files through constrained systems.
bashANYsplitnaming
bash
split -d -l 1000 bigfile.txt chunk_Numeric suffixes can be easier to sort and reason about than alphabetic ones.
bashANYcsplitregexsections
bash
csplit -f part_ report.txt '/^SECTION:/' '{*}'`csplit` is powerful when file structure is driven by heading markers or section delimiters.
diff, cmp, and patch-Oriented Comparison
Compare files and inspect textual differences.
bashANYdiffcompare
bash
diff -u old.conf new.confUnified diff format is the most common comparison output for reviews and patches.
bashANYdiffdirectoriesrecursive
bash
diff -ruN dir1 dir2A common way to inspect configuration or source tree differences.
bashANYcmpbinary
bash
cmp file1.bin file2.bin`cmp` is simpler than diff when you only need to know whether files differ and where the first difference occurs.
bashANYsdiffcompare
bash
sdiff file1.txt file2.txtSide-by-side comparison is useful for quick visual inspection.
Practical Recipes
Real-world pipelines for logs, configs, code, and reports.
bashANYrecipelogscounting
bash
grep ERROR app.log | sort | uniq -c | sort -nr | headOne of the most useful Linux text-processing recipes for logs and incident triage.
bashANYrecipeconfiggrep
bash
grep -Ev '^[[:space:]]*($|#)' nginx.confThis makes configuration files much easier to inspect quickly.
bashANYrecipecsvawk
bash
awk -F, 'NR>1 {sum += $3} END {print sum}' sales.csvGreat for quick ad hoc analysis without opening a spreadsheet.
bashANYrecipefilessize
bash
find . -type f -printf '%s %p
' | sort -nr | head -20Useful for disk cleanup and packaging investigations.
bashANYrecipelogsip-addresses
bash
grep -Eo '([0-9]{1,3}.){3}[0-9]{1,3}' access.log | sort -uA fast shell approach for rough IP extraction from logs.
bashANYreciperefactorxargssed
bash
rg -l 'old-service-name' . | xargs sed -i 's/old-service-name/new-service-name/g'A practical codebase refactor pattern when you understand the scope of the match set.
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