25 авг. 2014 г. · To remove the last char on line 1 with awk you'd really just do the equivalent to the sed command, ie awk 'NR==1{sub(/.$/,"")}1' file.

12 нояб. 2015 г. · You can use sed : sed '$ s/.$//' your_file Note that you can use whatever separator you want instead of / , for example you can rewrite the expression.

17 апр. 2018 г. · The command removes the last character regardless of what it is. If you want to remove the last character only if it is a comma, try sed -i 's/,$//' filename.

26 дек. 2014 г. · I want to remove the last four characters of this string and assign the result to a new variable var2, so that echo $var2 "some string".

4 дек. 2014 г. · truncate -s-1 file Removes one (-1) character from the end of the same file. Exactly as a >> will append to the same file.

28 мая 2018 г. · 1) DELETE LAST EMPTY LINE FROM A FILE: First of all, the command you are currently using will delete ALL empty and blank lines! NOT ONLY THE LAST ONE.

28 окт. 2020 г. · This might work for you (GNU sed): sed 's/\(.*\)\./\1/' file Use greed to locate the last period and replace it by what came before it.

16 февр. 2016 г. · [^/]*$ matches the rest of the string up to the end of line, and it's removed when the whole match gets replaced by the remembered part only.

4 янв. 2018 г. · sed 's/waa*\b/w/g' file sed 's/waa*\>/w/g' file. or using extended regex: sed -r 's/wa+\b/w/g' file. \b and \> are word boundaries.

4 янв. 2016 г. · if your file names don't have spaces, you can: (under your test_images dir) ls -1|sed -r 's/(.*)....(\.jpg)$/mv & \1\2/'.