With bash's read builtin it is possible to read from a file (e.g. device-tree) until the first '\0' character:
IFS= read -r -d '' VARIABLE < file In busybox ash the -d extension is also implemented, but checking the read character for '\0' has to be performed after comparing with the delimiter. Signed-off-by: Christian Eggers <[email protected]> --- shell/shell_common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/shell/shell_common.c b/shell/shell_common.c index 12c4a073c..42c4c9c97 100644 --- a/shell/shell_common.c +++ b/shell/shell_common.c @@ -209,8 +209,6 @@ shell_builtin_read(struct builtin_read_params *params) } c = buffer[bufpos]; - if (c == '\0') - continue; if (!(read_flags & BUILTIN_READ_RAW)) { if (backslash) { backslash = 0; @@ -225,6 +223,8 @@ shell_builtin_read(struct builtin_read_params *params) } if (c == delim) /* '\n' or -d CHAR */ break; + if (c == '\0') + continue; /* $IFS splitting. NOT done if we run "read" * without variable names (bash compat). -- Christian Eggers Embedded software developer Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRA 57918 Persoenlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRB 54477 Geschaeftsfuehrer: Dr. Michael Neuhaeuser; Stephan Schenk; Walter Trauninger; Markus Zeiler _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
