Path env

sys_path_contains¶

Return 0 if the given directory is in PATH.

Example¶

sys_path_contains /usr/local/bin   # 0 if present

Arguments¶

• $1 (string): Directory to test

Exit codes¶

• 0: Present; 1 Not present

sys_path_prepend¶

Prepend a directory to PATH if it is not already present.

Arguments¶

• $1 (string): Directory to prepend

Exit codes¶

• 0: Always

sys_path_append¶

Append a directory to PATH if it is not already present.

Arguments¶

• $1 (string): Directory to append

Exit codes¶

• 0: Always

sys_path_remove¶

Remove all occurrences of a directory from PATH.

Arguments¶

• $1 (string): Directory to remove

Exit codes¶

• 0: Always

sys_path_dedup¶

Deduplicate PATH entries, preserving first-occurrence order.

Exit codes¶

• 0: Always

sys_path_print¶

Print each directory in PATH on its own line.

Example¶

sys_path_print | grep '/usr/local'

Exit codes¶

• 0: Always

Output on stdout¶

• One directory per line

sys_path_derecurse¶

Remove the directory containing the current script from PATH to prevent infinite recursion when a script shadows a system command.

Exit codes¶

• 0: Always