for循环

clonescopy

bash-2.03$ cat test1.sh
#!/bin/bash
for ((i=1; i<5; i++)) ; do
echo $i
done
bash-2.03$ sh test1.sh
test1.sh: syntax error at line 2: `(' unexpected
bash-2.03$

帮忙看看

yinyuemi

for i in `echo {1..5}`
do
echo $i
done

lkk2003rty

俺这木有问题  是不是 bash版本不支持捏？
俺是
GNU bash, version 3.00.15(1)-release (i686-redhat-linux-gnu)
Copyright (C) 2004 Free Software Foundation, Inc.

clonescopy

for i in `echo {1..5}`
do
echo $i
done
yinyuemi 发表于 2011-01-21 16:09

    bash-2.03$ sh test1.sh
{1..5}
bash-2.03$

昭襄王

for i in `echo {1..5}`
do
echo $i
done
yinyuemi 发表于 2011-01-21 16:09

    这样写就不必echo了
for i in {1..5}
do
echo $i
done

昭襄王

bash-2.03$ sh test1.sh
{1..5}
bash-2.03$
clonescopy 发表于 2011-01-21 16:11

    for i in `seq 5`;do echo $i ;done

yinyuemi

这样写就不必echo了
for i in {1..5}
do
echo $i
done
昭襄王 发表于 2011-01-21 16:15

    原来如此，
PS, 我这里运行lz的脚本也没问题

wild_li

[root@ntop-test network-scripts]# for ((i=1;i<5;i++));do echo $i;done
1
2
3
4

bjruntest

学习了
。。。。

bjruntest

#/bin/bash
for i in $(seq 1 5 )
do
    echo $i
done