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diff kitten: Better error message when one of the arguments does not exist

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Kovid Goyal
2018-06-14 21:53:13 +05:30
parent 7214b66aa5
commit 2a8295d71c
1 changed files with 3 additions and 5 deletions
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8
kittens/diff/main.py
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@@ -399,11 +399,9 @@ def main(args):
opts = init_config(args)
set_diff_command(opts.diff_cmd)
lines_for_path.replace_tab_by = opts.replace_tab_by
# Ensure the kitten works even when stdin/stdout are redirected
if not sys.stdin.isatty():
sys.stdin = open('/dev/tty')
if not sys.stdout.isatty():
sys.stdout = open('/dev/tty', 'w')
for f in left, right:
if not os.path.exists(f):
raise SystemExit('{} does not exist'.format(f))
loop = Loop()
handler = DiffHandler(args, opts, left, right)