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-rwxr-xr-xsrc/chroot-tools/indent33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/chroot-tools/indent b/src/chroot-tools/indent
new file mode 100755
index 0000000..5a7f654
--- /dev/null
+++ b/src/chroot-tools/indent
@@ -0,0 +1,33 @@
+#!/usr/bin/env perl
+use warnings;
+use strict;
+use constant BUFFER_SIZE => 40;
+binmode(STDIN);
+binmode(STDOUT);
+
+exit(1) if ($#ARGV != 0);
+my $indent = $ARGV[0];
+
+my $print_indent = 1;
+my $buffer;
+my $size;
+my $c;
+while (1) {
+ $size = sysread(STDIN, $buffer, BUFFER_SIZE);
+ last if ($size < 1);
+ for (0..$size-1) {
+ $c = substr($buffer, $_, 1);
+ if ($c eq "\n") {
+ syswrite(STDOUT, $indent) if ($print_indent);
+ syswrite(STDOUT, $c, 1);
+ $print_indent = 1;
+ } elsif ($c eq "\r") {
+ syswrite(STDOUT, $c, 1);
+ $print_indent = 1;
+ } else {
+ syswrite(STDOUT, $indent) if ($print_indent);
+ syswrite(STDOUT, $c, 1);
+ $print_indent = 0;
+ }
+ }
+}