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-rw-r--r--findutils/xargs.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/findutils/xargs.c b/findutils/xargs.c
index 77e01ef6c..acee0319a 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -64,6 +64,11 @@
//config: bool "Enable -P N: processes to run in parallel"
//config: default y
//config: depends on XARGS
+//config:
+//config:config FEATURE_XARGS_SUPPORT_ARGS_FILE
+//config: bool "Enable -a FILE: use FILE instead of stdin"
+//config: default y
+//config: depends on XARGS
//applet:IF_XARGS(APPLET_NOEXEC(xargs, xargs, BB_DIR_USR_BIN, BB_SUID_DROP, xargs))
@@ -517,6 +522,9 @@ static int xargs_ask_confirmation(void)
//usage: IF_FEATURE_XARGS_SUPPORT_ZERO_TERM(
//usage: "\n -0 Input is separated by NUL characters"
//usage: )
+//usage: IF_FEATURE_XARGS_SUPPORT_ARGS_FILE(
+//usage: "\n -a FILE Read from FILE instead of stdin"
+//usage: )
//usage: "\n -t Print the command on stderr before execution"
//usage: "\n -e[STR] STR stops input processing"
//usage: "\n -n N Pass no more than N args to PROG"
@@ -565,7 +573,8 @@ enum {
IF_FEATURE_XARGS_SUPPORT_TERMOPT( "x") \
IF_FEATURE_XARGS_SUPPORT_ZERO_TERM( "0") \
IF_FEATURE_XARGS_SUPPORT_REPL_STR( "I:i::") \
- IF_FEATURE_XARGS_SUPPORT_PARALLEL( "P:+")
+ IF_FEATURE_XARGS_SUPPORT_PARALLEL( "P:+") \
+ IF_FEATURE_XARGS_SUPPORT_ARGS_FILE( "a:")
int xargs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int xargs_main(int argc UNUSED_PARAM, char **argv)
@@ -584,6 +593,7 @@ int xargs_main(int argc UNUSED_PARAM, char **argv)
#else
#define read_args process_stdin
#endif
+ IF_FEATURE_XARGS_SUPPORT_PARALLEL(char *opt_a = NULL;)
INIT_G();
@@ -592,6 +602,7 @@ int xargs_main(int argc UNUSED_PARAM, char **argv)
&max_args, &max_chars, &G.eof_str, &G.eof_str
IF_FEATURE_XARGS_SUPPORT_REPL_STR(, &G.repl_str, &G.repl_str)
IF_FEATURE_XARGS_SUPPORT_PARALLEL(, &G.max_procs)
+ IF_FEATURE_XARGS_SUPPORT_ARGS_FILE(, &opt_a)
);
#if ENABLE_FEATURE_XARGS_SUPPORT_PARALLEL
@@ -599,6 +610,11 @@ int xargs_main(int argc UNUSED_PARAM, char **argv)
G.max_procs = 100; /* let's not go crazy high */
#endif
+#if ENABLE_FEATURE_XARGS_SUPPORT_ARGS_FILE
+ if (opt_a)
+ xmove_fd(xopen(opt_a, O_RDONLY), 0);
+#endif
+
/* -E ""? You may wonder why not just omit -E?
* This is used for portability:
* old xargs was using "_" as default for -E / -e */