Get stdout line substring based on regexp.
Project description
GetSubStr
Utility that allows you get substring of each stdout line based on regexp.
GetSubStr v1.0.6 - gets substring of each stdout line based on regexp.
positional arguments:
regexp_pattern Regexp pattern
optional arguments:
-h, --help show this help message and exit
-l CUT_LEFT, --left-cut CUT_LEFT
Cut N chars from left side of result
-r CUT_RIGHT, --right-cut CUT_RIGHT
Cut N chars from right side of result
--lwrap L_WRAP Wrap results from left side by specified char(s)
--rwrap R_WRAP Wrap results from left side by specified char(s)
-s, --strip Strip spaces from left and right side of result
-j JOIN_RESULTS, --join-results JOIN_RESULTS
Join all results with specified char(s)
--join-matches JOIN_MATCHES
Join more regexp matches with specified char(s). Default is TAB \t
--reverse-matches Reverse order of matches
--split SPLIT Split result by specified string.
--split-after SPLIT_AFTER
Split result by specified string after each X match. For example split after every 5th ',' uccurence.
-f FIND_REPLACE, --find-replace FIND_REPLACE
Find string and replace it with another string. It have to be defined in following format "find::replace"
-o OUTPUT_FORMAT, --output-format OUTPUT_FORMAT
Output format for matches (Best if you are using regexp groups). ex: "myId:{0} yourId:{1}"
-i, --ignore-errors Ignore errors caused regexp.
example #1:
printf "**** Error while updating article content id=498 ****\n**** Error while updating article content id=512 ****\n" \
| getsub "id\=\d+" -l 3 -j "," --lwrap "\"" --rwrap "\""
output:
"498","512"
example #2 - grep lines from common logfile:
> grep "Error" error.log | getsub "id\=\d+" -l 3 -j "," --lwrap "\"" --rwrap "\""
output:
"680093","679962","678612","678313","678043","677973","676873","676431","675696"
example #3 - custom output format:
printf "123 456\n789 012" | getsub "(\d+) (\d+)" -o "i='{0}'...j='{1}'"
output:
i='123'...j='456'
i='789'...j='012'
Installation
sudo python3 setup.py install
or
pip3 install GetSubString
or without PIP
wget https://gitlab.com/alda78/getsubstr/-/archive/master/getsubstr-master.tar \
&& tar -xf getsubstr-master.tar \
&& cd getsubstr-master/ \
&& sudo python3 setup.py install \
&& cd ../ \
&& sudo rm -rf getsubstr-master
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