Mercurial > hg > sqlex

changeset 4:b440206930ac

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stub table optional positional argument
author Jeff Hammel <k0scist@gmail.com>
date Sat, 01 Apr 2017 09:28:49 -0700
parents 5f1e1ac96aa7
children 3a7f515571dc
files sqlex/main.py
diffstat 1 files changed, 9 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/sqlex/main.py	Sat Apr 01 09:19:22 2017 -0700
+++ b/sqlex/main.py	Sat Apr 01 09:28:49 2017 -0700
@@ -31,6 +31,8 @@
         argparse.ArgumentParser.__init__(self, **kwargs)
         self.add_argument('db',
                           help="sqlite `.db` file")
+        self.add_argument('table', nargs='?',
+                          help="table to operate on")
         self.add_argument('--tables', '--list-tables', dest='list_tables',
                           action='store_true', default=False,
                           help="list tables and exit")
@@ -62,9 +64,15 @@
     db = SQLEx(options.db)
 
     if options.list_tables:
+        # list tables and return
+        # if `table` argument is provided, exit 1
+        # if not available.  Otherwise exit 0
         tables = db.tables()
         print ('\n'.join(tables))
-        return
+        retval = 0
+        if options.table:
+            retval = int(options.table not in tables)
+        return retval
 
 if __name__ == '__main__':
     main()