add example legacy

PROGRESS.md

@@ -1,20 +1,16 @@
 # current work in PROGRRESS
 
-finish examples/
-examples without lib docopts.sh
-test .travis.yml with 2 OSes
+old style loop bash examples
 
 # next
 
 ## release and binary
 
 publish release and pre-build binaries
 
-## CI
-integration with automated tests
-
 ## provide test on old environment
 
 docker?
 32bist
 bash 3
+

TODO.md

@@ -12,7 +12,7 @@ See [API_proposal.md](API_proposal.md)
 
 ## build and publish binary
 
-reuse build.sh to build golang binary and pubilsh it as a new release too.
+Reuse build.sh to build golang binary and pubilsh it as a new release too.
 
 ## generate bash completion from usage
 
@@ -22,7 +22,7 @@ docopts -h "$help" --generate-completion
 
 ## embed test routine (validation)?
 
-may we cat interract with the caller to eval some validation…
+May we can interract with the caller to eval some validation…
 It is needed? Is it our goal?
 
 ```
@@ -38,3 +38,6 @@ if docopts test -- num:gt:1:--count file_exists:INFILE
 ## config file parse config to option format
 
 À la nslcd… ?
+
+* json merge
+* toml merge (ini)

examples/legacy_bash/sshdiff.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+#
+# Show file differences between 2 hosts.
+# Usage: sshdiff.sh [-h] [-s] <host1> <host2> <file> [<lines_context>]
+#
+# If not specified, <lines_context> defaults to 3.
+#
+# Use colordiff if available.
+#
+# Options:
+#     -h       display this help and exit
+#     -s       use sort instead of cat to show remote <file>
+#
+# Examples:
+#     sshdiff.sh server1 hostname2 /etc/hostname
+
+PATH=../..:$PATH
+source docopts.sh --auto "$@"
+
+docopt_print_ARGS
+
+