Results for “command substitution”
Small, practical examples. Search by task or narrow things down below.
Print separate arguments safely
Linux Commands: Print separate arguments safely using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print the final lines of a file
Linux Commands: Use tail -n for a fixed-size suffix of a log.
Linux Commands✓ Tested
Read a byte prefix
Linux Commands: Use GNU head -c for a fixed number of bytes, independent of line boundaries.
Linux Commands✓ Tested
Read a byte suffix
Linux Commands: Use GNU tail -c to extract a fixed-size ending.
Linux Commands✓ Tested
Read an ISO week date
Linux Commands: Use ISO week year, week number, and weekday directives together.
Linux Commands✓ Tested
Read concatenated gzip members
Linux Commands: GNU gzip decompresses concatenated gzip members in order.
Linux Commands✓ Tested
Read named fields from a successful regex match
PowerShell: The Matches table is updated after a successful scalar match operation.
PowerShell✓ Tested
Read one archived file to standard output
Linux Commands: Use tar -O with an explicit member name instead of writing files to disk.
Linux Commands✓ Tested
Read the beginning of piped text
Linux Commands: Read the beginning of piped text using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the directory portion of a path
Linux Commands: Read the directory portion of a path using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the end of piped text
Linux Commands: Read the end of piped text using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Read the filename portion of a path
Linux Commands: Read the filename portion of a path using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested