A field selection command-line tool
Project description
# sel
sel is an inline field selection and table transformation tool that aims to replace cut.
pip install sel
## Simple
Selecting a field from a line requires a single character:
$ echo a b c d e | sel 3 c
sel understands field ranges, in python style:
$ echo “a b c d e” | sel 2:4 b c d
$ echo “a b c d e” | sel 2:-2 b c d
$ echo “a b c d e” | sel 3: c d e
## Flexible
By default, sel splits the input on whitespace. It can also use a custom string or regular expression:
$ cat users.csv 1241,Bob 3192,MitM 3255,Alice
$ cat users.csv | sel 1 –delim , 1241 3192 3255
$ echo 1a2b3c4d | sel –regex [a-z] 2:3 2 3
## Powerful
sel works well on multiline input, and can take advantage of table headers if present. It can also produce tabular outputs.
$ ps aux | sel 1 –skip-header root user1 user2
$ ps aux | sel –align %MEM PID COMMAND PID COMMAND %MEM 2414 /opt/google/chrome/chrome 1.7 5272 /opt/sublime_text_2/sublime_text 1.6 4662 /usr/bin/python3 1.5 2470 /opt/google/chrome/chrome 1.5
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