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-rw-r--r--coreutils/tr.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/coreutils/tr.c b/coreutils/tr.c
index 5b2b9a9..2f14a41 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -47,6 +47,19 @@
//config: useful for cases when no other way of expressing a character
//config: is possible.
+//usage:#define tr_trivial_usage
+//usage: "[-cds] STRING1 [STRING2]"
+//usage:#define tr_full_usage "\n\n"
+//usage: "Translate, squeeze, or delete characters from stdin, writing to stdout\n"
+//usage: "\nOptions:"
+//usage: "\n -c Take complement of STRING1"
+//usage: "\n -d Delete input characters coded STRING1"
+//usage: "\n -s Squeeze multiple output characters of STRING2 into one character"
+//usage:
+//usage:#define tr_example_usage
+//usage: "$ echo \"gdkkn vnqkc\" | tr [a-y] [b-z]\n"
+//usage: "hello world\n"
+
#include "libbb.h"
enum {