Differences

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--- scripting:debuggingtips [2015/08/07 04:21]
bill_thomson
+++ scripting:debuggingtips [2017/06/07 02:42] (current)
fgrose [Making xtrace more useful] set variables with descriptive words
@@ Line 130: / Line 130: @@
 That helps a lot when the script is long, or when the main script sources many other files.
+=== Set flag variables with descriptive words ===
+If you test variables that flag the state of options, such as with ''%%if [[ -n $option ]];%%'', consider using descriptive words rather than short codes, such as 0, 1, Y, N, because xtrace will show ''%%[[ -n word ]]%%'' rather than ''%%[[ -n 1 ]]%%'' when the option is set.
 ===== Debugging commands depending on a set variable =====
@@ Line 306: / Line 307: @@
 <note warning>
-It's easy tp imagine the ''^M'' is bad in other places too. So if you get weird and illogical messages from your script, chances are good ''^M'' is envolved. Find and eliminate it!
+It's easy to imagine the ''^M'' is bad in other places too. If you get weird and illogical messages from your script, rule out the possibility that''^M'' is involved. Find and eliminate it!
 </note>