Linux Pipelines, xargs, split, diff, and Practical Recipes Cheat Sheet

printf '%s
' file1 file2 file3 | xargs rm

# Convert lines into command arguments.

find . -type f -print0 | xargs -0 rm

# Handle spaces and special characters safely.

printf '%s
' a b c | xargs -n 1 echo item:

# Invoke the command once per input line.

printf '%s
' app1 app2 | xargs -I{} kubectl logs {}

# Insert each item into a custom position.

printf '%s
' url1 url2 url3 | xargs -n 1 -P 4 curl -I

# Process multiple input items concurrently.

split -l 1000 bigfile.txt chunk_

# Create chunks of 1000 lines each.

split -b 50M archive.log log_

# Create 50 MB chunks.

split -d -l 1000 bigfile.txt chunk_

# Create chunks with numeric names.

csplit -f part_ report.txt '/^SECTION:/' '{*}'

# Break a file at repeated pattern boundaries.

diff -u old.conf new.conf

# Compare two text files with context.

diff -ruN dir1 dir2

# Find differences across two directory trees.

cmp file1.bin file2.bin

# Detect exact byte-level differences.

sdiff file1.txt file2.txt

# Compare files in two visual columns.

grep ERROR app.log | sort | uniq -c | sort -nr | head

# Count and rank repeated lines in a log.

grep -Ev '^[[:space:]]*($|#)' nginx.conf

# Remove comments and blank lines from a config file.

awk -F, 'NR>1 {sum += $3} END {print sum}' sales.csv

# Compute the total of a numeric CSV field after skipping the header.

find . -type f -printf '%s %p
' | sort -nr | head -20

# List the top 20 largest files by size.

grep -Eo '([0-9]{1,3}.){3}[0-9]{1,3}' access.log | sort -u

# Print unique IPs from a log file.

rg -l 'old-service-name' . | xargs sed -i 's/old-service-name/new-service-name/g'

# Search files first, then edit in place.