diff options
Diffstat (limited to 'src/env.c')
| -rw-r--r-- | src/env.c | 76 |
1 files changed, 38 insertions, 38 deletions
@@ -20,24 +20,24 @@ - -i --ignore-environment - Construct a new environment from scratch; normally the - environment is inherited from the parent process, except as - modified by other options. + Construct a new environment from scratch; normally the + environment is inherited from the parent process, except as + modified by other options. -u variable --unset=variable - Unset variable VARIABLE (remove it from the environment). - If VARIABLE was not set, does nothing. + Unset variable VARIABLE (remove it from the environment). + If VARIABLE was not set, does nothing. variable=value (an arg containing a "=" character) - Set the environment variable VARIABLE to value VALUE. VALUE - may be of zero length ("variable="). Setting a variable to a - zero-length value is different from unsetting it. + Set the environment variable VARIABLE to value VALUE. VALUE + may be of zero length ("variable="). Setting a variable to a + zero-length value is different from unsetting it. -- - Indicate that the following argument is the program - to invoke. This is necessary when the program's name - begins with "-" or contains a "=". + Indicate that the following argument is the program + to invoke. This is necessary when the program's name + begins with "-" or contains a "=". The first remaining argument specifies a program to invoke; it is searched for according to the specification of the PATH @@ -51,29 +51,29 @@ Examples: If the environment passed to "env" is - { LOGNAME=rms EDITOR=emacs PATH=.:/gnubin:/hacks } + { LOGNAME=rms EDITOR=emacs PATH=.:/gnubin:/hacks } env - foo - runs "foo" in a null environment. + runs "foo" in a null environment. env foo - runs "foo" in the environment - { LOGNAME=rms EDITOR=emacs PATH=.:/gnubin:/hacks } + runs "foo" in the environment + { LOGNAME=rms EDITOR=emacs PATH=.:/gnubin:/hacks } env DISPLAY=gnu:0 nemacs - runs "nemacs" in the environment - { LOGNAME=rms EDITOR=emacs PATH=.:/gnubin:/hacks DISPLAY=gnu:0 } + runs "nemacs" in the environment + { LOGNAME=rms EDITOR=emacs PATH=.:/gnubin:/hacks DISPLAY=gnu:0 } env - LOGNAME=foo /hacks/hack bar baz - runs the "hack" program on arguments "bar" and "baz" in an - environment in which the only variable is "LOGNAME". Note that - the "-" option clears out the PATH variable, so one should be - careful to specify in which directory to find the program to - call. + runs the "hack" program on arguments "bar" and "baz" in an + environment in which the only variable is "LOGNAME". Note that + the "-" option clears out the PATH variable, so one should be + careful to specify in which directory to find the program to + call. env -u EDITOR LOGNAME=foo PATH=/energy -- e=mc2 bar baz - runs the program "/energy/e=mc2" with environment - { LOGNAME=foo PATH=/energy } + runs the program "/energy/e=mc2" with environment + { LOGNAME=foo PATH=/energy } */ #include <config.h> @@ -107,12 +107,12 @@ usage (int status) { if (status != EXIT_SUCCESS) fprintf (stderr, _("Try `%s --help' for more information.\n"), - program_name); + program_name); else { printf (_("\ Usage: %s [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]\n"), - program_name); + program_name); fputs (_("\ Set each NAME to VALUE in the environment and run COMMAND.\n\ \n\ @@ -148,17 +148,17 @@ main (int argc, char **argv) while ((optc = getopt_long (argc, argv, "+iu:", longopts, NULL)) != -1) { switch (optc) - { - case 'i': - ignore_environment = true; - break; - case 'u': - break; - case_GETOPT_HELP_CHAR; - case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); - default: - usage (EXIT_FAILURE); - } + { + case 'i': + ignore_environment = true; + break; + case 'u': + break; + case_GETOPT_HELP_CHAR; + case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); + default: + usage (EXIT_FAILURE); + } } if (optind < argc && STREQ (argv[optind], "-")) @@ -186,7 +186,7 @@ main (int argc, char **argv) { char *const *e = environ; while (*e) - puts (*e++); + puts (*e++); exit (EXIT_SUCCESS); } |