python/jc
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Code Issues Releases Activity

stop blocking when no pipe and enhance help text

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This commit is contained in:
Kelly Brazil
2019-10-23 09:51:29 -07:00
parent 679ae6d5dc
commit 56901788de
1 changed files with 30 additions and 19 deletions
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49
jc/jc.py
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@ -20,13 +20,41 @@ import jc.parsers.route
import jc.parsers.uname
def helptext():
print('Usage: jc [parser] [options]\n', file=sys.stderr)
print('Parsers:', file=sys.stderr)
print(' --df df parser', file=sys.stderr)
print(' --env env parser', file=sys.stderr)
print(' --free free parser', file=sys.stderr)
print(' --ifconfig iconfig parser', file=sys.stderr)
print(' --iptables iptables parser', file=sys.stderr)
print(' --ls ls parser', file=sys.stderr)
print(' --lsblk lsblk parser', file=sys.stderr)
print(' --mount mount parser', file=sys.stderr)
print(' --netstat netstat parser', file=sys.stderr)
print(' --ps ps parser', file=sys.stderr)
print(' --route route parser', file=sys.stderr)
print(' --uname uname parser\n', file=sys.stderr)
print('Options:', file=sys.stderr)
print(' -p pretty print output\n', file=sys.stderr)
print('Example:', file=sys.stderr)
print(' ls -al | jc --ls -p\n', file=sys.stderr)
def main():
if sys.stdin.isatty():
print('jc: missing piped data\n', file=sys.stderr)
helptext()
exit()
data = sys.stdin.read()
pretty = False
# options
if '-p' in sys.argv:
pretty = True
# parsers
if '--df' in sys.argv:
result = jc.parsers.df.parse(data)
@ -64,25 +92,8 @@ def main():
result = jc.parsers.uname.parse(data)
else:
print('jc: missing arguments\n', file=sys.stderr)
print('Usage: jc [parser] [options]\n', file=sys.stderr)
print('Parsers:', file=sys.stderr)
print(' --df df parser', file=sys.stderr)
print(' --env env parser', file=sys.stderr)
print(' --free free parser', file=sys.stderr)
print(' --ifconfig iconfig parser', file=sys.stderr)
print(' --iptables iptables parser', file=sys.stderr)
print(' --ls ls parser', file=sys.stderr)
print(' --lsblk lsblk parser', file=sys.stderr)
print(' --mount mount parser', file=sys.stderr)
print(' --netstat netstat parser', file=sys.stderr)
print(' --ps ps parser', file=sys.stderr)
print(' --route route parser', file=sys.stderr)
print(' --uname uname parser\n', file=sys.stderr)
print('Options:', file=sys.stderr)
print(' -p pretty print output\n', file=sys.stderr)
print('Example:', file=sys.stderr)
print(' ls -al | jc --ls -p\n', file=sys.stderr)
print('jc: missing or incorrect arguments\n', file=sys.stderr)
helptext()
exit()
# output resulting dictionary as json