linux extract string from filename
You could use substring expansion: for file in ./*.mp3 do videoid=$file:$#file}-15:11} printf %s--n $videoid done. or, if more than one extension, use ,and you'd have the empty string. (You can work around that with a temporary variable: FULL_FILENAME=$FILENAME FILENAME=$FULL_FILENAME##*/} ... ,extract string portion from filename using sed. Original Post by santam. santam. 11:11 AM 05-22-2009. Hi All, I posted something similar before but I now have a ... ,2009年1月9日 — Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable. So to emphasize the ... ,hi i need to name a file with a substring of a another file name. i.e. if the old filename is abc.txt , the new filename should be abc_1.txt i should get the substring of ... ,2018年11月21日 — Here is a pure BASH answer: for file in oracle_ABC_USER_1.log oracle_ABC_USER_2.log oracle_ABC_USER_ADMIN_1.log ... ,2014年6月18日 — If you have the file name in a POSIX shell variable: ... sed -n 's/. ... get the offset of last _ to pos1 get the offset of last . to pos2 substring from _ ... ,2017年7月14日 — This uses bash's [[ ability to use regular expression matching to place ... command because touch has the exact same --date=STRING option. ,2014年3月14日 — Using bash string functions: for file in *.zip; do file="$file%.*}" file="$file##*.}" echo "$file:0:8}" done. Explaination: file="$file%.*}" : Gets rid of ... ,2016年2月23日 — I want to write a bash script for extracting a string from the file name and insert that string into a specific location in the same file. For example: ...
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 linux extract string from filename 相關參考資料
Extract a particular substring from filename - Unix & Linux ...
You could use substring expansion: for file in ./*.mp3 do videoid=$file:$#file}-15:11} printf %s--n $videoid done. or, if more than one extension, use https://unix.stackexchange.com Extract filename and extension in Bash - Stack Overflow
and you'd have the empty string. (You can work around that with a temporary variable: FULL_FILENAME=$FILENAME FILENAME=$FULL_FILENAME##*/} ... https://stackoverflow.com extract string portion from filename using sed - UNIX and ...
extract string portion from filename using sed. Original Post by santam. santam. 11:11 AM 05-22-2009. Hi All, I posted something similar before but I now have a ... https://www.unix.com Extract substring in Bash - Stack Overflow
2009年1月9日 — Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable. So to emphasize the ... https://stackoverflow.com extracting substring from a file name - UNIX and Linux Forums
hi i need to name a file with a substring of a another file name. i.e. if the old filename is abc.txt , the new filename should be abc_1.txt i should get the substring of ... https://www.unix.com How extract string from file name in shell script? - Stack Overflow
2018年11月21日 — Here is a pure BASH answer: for file in oracle_ABC_USER_1.log oracle_ABC_USER_2.log oracle_ABC_USER_ADMIN_1.log ... https://stackoverflow.com how to extract part of a filename before '.' or before extension ...
2014年6月18日 — If you have the file name in a POSIX shell variable: ... sed -n 's/. ... get the offset of last _ to pos1 get the offset of last . to pos2 substring from _ ... https://unix.stackexchange.com How to extract specific elements from a filename? - Unix ...
2017年7月14日 — This uses bash's [[ ability to use regular expression matching to place ... command because touch has the exact same --date=STRING option. https://unix.stackexchange.com How to get Substring from Filename in Unix shellscripting ...
2014年3月14日 — Using bash string functions: for file in *.zip; do file="$file%.*}" file="$file##*.}" echo "$file:0:8}" done. Explaination: file="$file%.*}" : Get... https://stackoverflow.com To extract a string from filename and insert it into the file ...
2016年2月23日 — I want to write a bash script for extracting a string from the file name and insert that string into a specific location in the same file. For example: ... https://stackoverflow.com |