curs_ins_wstr - Linux

Overview

curs_ins_wstr is a Linux command used to update a single-byte character in a file using a wide character. It is primarily utilized to insert Unicode characters into ASCII text files.

Syntax

curs_ins_wstr file offset wchar

Options/Flags

None

Examples

Insert an € symbol into a text file:

curs_ins_wstr file.txt 5 L'\u20AC'

Insert a Chinese character into a text file:

curs_ins_wstr file.txt 7 L'\u4E2D\u6587'

Common Issues

• Invalid offset: Ensure the provided offset is valid within the file’s size.
• Invalid wide character: Verify that the provided wide character is valid Unicode.

Integration

Combine with ‘sed’ to search and replace characters:

sed -i 's/€/\u20AC/g' file.txt

Related Commands

• curs_del_chars: Deletes characters from a file.
• curs_get_chars: Retrieves characters from a file.
• od: Shows a file as a dump of bytes.