删除DOS结尾符
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DOS结尾符：CRLF Carriage-Return Line-Feed
# 检查文件是否含有CRLF
1. file dosfile
返回CRLF
2. cat -a dosfile
返回^M
# 删除CRLF
1. vim
:set fileformat=unix # :set ff=unix
:wq
:% s/^M//gc # Linux: Ctrl+V+M Enter, AIX: Ctrl+V Ctrl+^ Enter
:wq
2. dos2uninx dosfile
3. col -bx dosfile
4. cat & sed
sed -e 's/^M//' dosfile
cat -v dosfile | sed 's/\^M$//g'
cat -v dosfile | sed 's/.M//g'
5. tr
tr -s "\r\n" "\n" dosfile
tr -d "\r" dosfile
tr -d "DOS结尾符：CRLF Carriage-Return Line-Feed
# 检查文件是否含有CRLF
1. file dosfile
返回CRLF
2. cat -a dosfile
返回^M
# 删除CRLF
1. vim
:set fileformat=unix # :set ff=unix
:wq
:% s/^M//gc # Linux: Ctrl+V+M Enter, AIX: Ctrl+V Ctrl+^ Enter
:wq
2. dos2uninx dosfile
3. col -bx dosfile
4. cat & sed
sed -e 's/^M//' dosfile
cat -v dosfile | sed 's/\^M$//g'
cat -v dosfile | sed 's/.M//g'
5. tr
tr -s "\r\n" "\n" dosfile
tr -d "\r" dosfile
tr -d "\015" dosfile
6. awk
awk '{sub(/\r$/,"");print}' dosfile
7. perl
perl -pe '~s/\r//g' dosfile
5" dosfile
6. awk
awk '{sub(/\r$/,"");print}' dosfile
7. perl
perl -pe '~s/\r//g' dosfile
DOS结尾符：CRLF Carriage-Return Line-Feed
# 检查文件是否含有CR
