All functions

defer() defer_parent() deferred_run() deferred_clear()

Defer Evaluation of an Expression

with_bmp() local_bmp() with_cairo_pdf() local_cairo_pdf() with_cairo_ps() local_cairo_ps() with_pdf() local_pdf() with_postscript() local_postscript() with_svg() local_svg() with_tiff() local_tiff() with_xfig() local_xfig() with_png() local_png() with_jpeg() local_jpeg()

Graphics devices

with_collate() local_collate()

Collation Order

with_connection() local_connection()

Connections which close themselves

with_db_connection() local_db_connection()

DBMS Connections which disconnect themselves.

with_dir() local_dir() with_tempdir()

Working directory

with_envvar() local_envvar()

Environment variables

with_file() local_file()

Files which delete themselves

with_gctorture2()

Torture Garbage Collector

with_libpaths() local_libpaths()

Library paths

with_locale() local_locale()

Locale settings

with_makevars()

Makevars variables

with_options() local_options()

Options

with_package() local_package() with_namespace() local_namespace() with_environment() local_environment()

Execute code with a modified search path

with_par() local_par()

Graphics parameters

with_path() local_path()

PATH environment variable

with_rng_version() local_rng_version()

RNG version

with_seed() with_preserve_seed()

Random seed

with_output_sink() local_output_sink() with_message_sink() local_message_sink()

Output redirection

with_temp_libpaths() local_temp_libpaths()

Library paths

with_tempfile() local_tempfile()

Temporary files

with_timezone() local_timezone()

Time zone

withr

Execute code in temporarily altered environment