argz_count - Linux

Overview

argz_count is a utility that calculates the number of argz entries in an argz list. Argz lists are zero-terminated arrays of strings, commonly used in the Linux kernel to store an array of command-line arguments.

Syntax

argz_count [--help] <argz>

Options/Flags

Examples

Counting the number of arguments in an argz list

$ echo "arg1 arg2 arg3 arg4" | argz_count
4

Using a file containing an argz list

$ argz_count /proc/cmdline
4

Common Issues

Malformed argz list

If the provided argz list is not properly formatted or contains invalid characters, argz_count may produce unexpected results or errors. Ensure that the argz list adheres to the format specified in the kernel documentation.

Integration

argz_count can be combined with other tools to process argz lists. For example, it can be used with argz_next to iterate over the entries in a list.

Example: Iterating through an argz list

while argz_next argptr; do
  echo "Argument: $argptr"
done

Related Commands

argz_next
argz_append
argz_insert
argz_extract