Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
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. | 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 ===== | ===== Debugging commands depending on a set variable ===== | ||
| Line 306: | Line 307: | ||
| <note warning> | <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> | </note> | ||